12344 is selected from H, and C1-C4 alkyl and derivatives thereof; and x is 0-3. The catalyst system has good ethylene oligomerization activity and α-olefin selectivity and long service life.
Provided in the embodiments of the present disclosure are a fracturing method for horizontal wells, and an apparatus, a device and a storage medium. The method comprises: determining a horizontal-well fracturing well pattern consisting of at least one structural frame well and at least one reinforcing production well, wherein the structural frame well and the reinforcing production well are arranged in a staggered manner; evaluating, by means of a logging curve, the three-dimensional spatial reservoir qualities of the structural frame well and the reinforcing production well, and performing screening to obtain fracturing perforation intervals of the structural frame well and the reinforcing production well; setting fracturing modes and fracturing parameters for the fracturing perforation intervals of the structural frame well and the reinforcing production well; and on the basis of the fracturing mode and the fracturing parameters of the fracturing perforation intervals of the structural frame well, fracturing the fracturing perforation intervals of the structural frame well, and acquiring a fracturing fracture propagation situation during the fracturing process, so as to optimize the fracturing mode and the fracturing parameters of the fracturing perforation intervals of the reinforcing production well adjacent to the structural frame well, and so as to fracture the fracturing perforation intervals of the reinforcing production well. The method in the embodiments of the present disclosure can increase productivity and efficiency.
A solid acid alkylation catalyst, and a preparation method therefor and a use thereof. The preparation method comprises the following steps: S1, mixing an aluminum source, water, an alkali source, a template agent, a silicon source and a seed crystal to form gel, and carrying out a crystallization reaction to obtain a molecular sieve having an MWW structure, wherein the template agent is composed of a main template agent and an auxiliary template agent in a molar ratio of 0.5-20:1; S2, roasting the molecular sieve having the MWW structure obtained in S1 to remove the template agent, then carrying out ammonium exchange, and roasting again to obtain an H-type molecular sieve; and S3, mixing the H-type molecular sieve obtained in S2 with an inorganic oxide and a nitric acid solution, and performing kneading and shaping to obtain the solid acid alkylation catalyst. By using the method for synergistically assisting crystallization by a seed crystal and two template agents, a molecular sieve having an MWW structure is directly synthesized without using hexamethyleneimine, piperidine and homopiperazine, and the solid acid alkylation catalyst is further obtained.
B01J 29/70 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereof of types characterised by their specific structure not provided for in groups
B01J 37/10 - Heat treatment in the presence of water, e.g. steam
22222, the viscosity reaches over 100 Pa·s under zero shear rate conditions, and the viscosity reaches more than 450 mPa·s under a shear rate of 170s-1222 flooding recovery rate. It also has excellent temperature resistance, and is suitable for reservoir temperatures up to 120°C.
C09K 8/506 - Compositions based on water or polar solvents containing organic compounds
C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
C09K 8/594 - Compositions used in combination with injected gas
PETROCHINA SHENZHEN NEW ENERGY RESEARCH INSTITUTE CO., LTD. (China)
PETROCHINA COMPANY LIMITED (China)
Inventor
Wang, Shejiao
Xin, Fudong
Xiong, Bo
Fang, Chaohe
Mo, Shaoyuan
Abstract
The present application discloses an oil-geothermal energy co-production system, comprising an oil-geothermal energy production and transportation mechanism and an injection and transportation mechanism. The oil-geothermal energy production and transportation mechanism comprises a negative pressure pipeline, an oil extraction portion is formed on the negative pressure pipeline, and the negative pressure pipeline is used to form negative pressure internally so as to extract oil from the oil extraction portion; and the injection and transportation mechanism comprises a plurality of flow-delivering pipelines, and the plurality of flow-delivering pipelines are evenly arranged around the peripheral side of the negative pressure pipeline and are spaced apart from the negative pressure pipeline, wherein each of the flow-delivering pipelines is provided with jetting portions, which are used for injecting supercritical carbon dioxide into petroleum. In the technical solution of the present application, by providing the jetting portions on each of the flow-delivering pipelines and evenly arranging the plurality of flow-delivering pipelines around the peripheral side of the negative pressure pipeline, supercritical carbon dioxide around the negative pressure pipeline can be distributed in a concentrated mode, thereby enhancing the fluidity of petroleum around the negative pressure pipeline, and thus accelerating the efficiency of petroleum extraction by the negative pressure pipeline.
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
F24T 10/17 - Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using tubes closed at one end, i.e. return-type tubes
6.
IONIC LIQUID DEMULSIFIER AND PREPARATION METHOD THEREFOR AND USE THEREOF
Disclosed in the present invention are an ionic liquid demulsifier and a preparation method therefor and a use thereof. The ionic liquid demulsifier of the present invention has a structure as shown in formula I, wherein in formula (I), m=1-16, n=3-5, and i=1-16. The ionic liquid demulsifier has excellent interfacial activity and can quickly migrate to an oil-water interface to reduce the tension of the oil-water interface, so as to destroy an interface film composed of asphaltenes, and promote occurrence of a demulsification process. The ionic liquid demulsifier provided by the present invention has the characteristics of simple synthesis steps, small dosage, good acid-base tolerance, low demulsification temperature, high demulsification efficiency and the like, and can be used for demulsifying crude oil emulsions.
The present invention provides an anti-corrosion and thermal insulation coating for an oil pipe and a preparation process therefor. The preparation process comprises: (1) forming a coupling agent layer on the outer wall surface of an oil pipe; (2) forming a polyaniline layer on the surface of the coupling agent layer; and (3) forming an outer coating having anti-corrosion and thermal insulation properties on the surface of the polyaniline layer. The present invention further provides an anti-corrosion and thermal insulation coating for an oil pipe. According to the anti-corrosion and thermal insulation coating for an oil pipe and the preparation process therefor provided in the present invention, an anti-corrosion and connection transition layer is formed, and a main coating is connected to a metal matrix by means of the transition layer, thereby maintaining good stability under a variable temperature condition, and prolonging the service life of the coating.
B05D 3/00 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
A nano viscoelastic surfactant-based fracturing fluid and a preparation method therefor. Raw materials of the fracturing fluid comprise: a Gemini surfactant A, a nano core B, a dispersant, salt, and water. On the basis of the mass of the water being 100%, the amount of the Gemini surfactant A is 0.1%-5%, the amount of the nano core B is 0.01%-0.5%, the amount of the dispersant is 0.01%-5%, and the amount of the salt is 0.1%-5%. The Gemini surfactant A and the nano core B are linked by means of ionic bonds. The use of a nano viscoelastic surfactant having a Gemini structure for the preparation of a clean fracturing fluid can achieve the purpose of increasing the yield.
C09K 8/60 - Compositions for stimulating production by acting on the underground formation
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
C09K 8/66 - Compositions based on water or polar solvents
A telescopic tube structure, comprising: a step force balance module. The step force balance module comprises a balance outer tube assembly and a balance inner tube assembly capable of axially moving relative to the balance outer tube assembly; an outer protruding portion is provided on the outer circumference of the balance inner tube assembly; an inner protruding portion is provided on the inner circumference of the balance outer tube assembly; the balance inner tube assembly and the balance outer tube assembly define an outer chamber (6) located on the upper side of the outer protruding portion and an inner chamber (3) located between the outer protruding portion and the inner protruding portion; an outer pressure transmission hole (5) for enabling the outer chamber (6) to be communicated with the exterior of the balance outer tube assembly is formed in the balance outer tube assembly; and an inner pressure transmission hole (4) for enabling the inner chamber (3) to be communicated with the interior of the balance inner tube assembly is formed in the balance inner tube assembly. By means of the technical solution, the step force balance module uses an axial force generated by the pressure difference between the inner and outer chambers to counteract the step force, thereby effectively improving the stress distribution of a tubing string, and increasing a safety coefficient.
The present invention relates to the preparation of carbon nanotubes. Disclosed is a catalyst for preparing carbon nanotubes. The catalyst comprises a molten halogen salt, wherein the halogen salt comprises a first halogen salt, a second halogen salt and a third halogen salt. The first halogen salt is calcium chloride; the second halogen salt is potassium chloride; and the third halogen salt is selected from one or more of zinc chloride, copper chloride, barium chloride, titanium chloride, chromium chloride, gallium chloride, cobalt chloride, nickel chloride, manganese chloride, ferric chloride, ferrous chloride and aluminum chloride. On the basis of the total molar weight of the catalyst, the content of the first halogen salt is 20-80 mol%, the content of the second halogen salt is 0-10 mol%, and the content of the third halogen salt is 20-80 mol%. In the present invention, using the molten salt as a catalyst for preparing carbon nanotubes can effectively reduce metal pollution in a carbon product, and is more environmentally friendly than acid pickling in a metal catalytic system
Provided in the present invention are a natural gas selective desulfurization solvent system, and a preparation method therefor and a desulfurization method therefor. The natural gas selective desulfurization solvent system comprises a basic solvent, a bicyclic amine component and an isoamyl secondary amine component, wherein the isoamyl secondary amine component has a structure as represented by formula I: in formula I, R1, R2and R3 are each independently selected from H, a C1-C5 alkyl and a derivative thereof; and the bicyclic amine component has a structure as represented by formula II or formula III. The natural gas selective desulfurization solvent system can be used for the deep removal of hydrogen sulfide and thiol from natural gas, while reserving carbon dioxide in purified gas to the maximum possible extent and improving the commodity gas rate and the acid gas concentration.
B01D 53/78 - Liquid phase processes with gas-liquid contact
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
B01D 53/06 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents
C10L 3/10 - Working-up natural gas or synthetic natural gas
PETROCHINA SHANGHAI ADVANCED MATERIALS RESEARCH INSTITUTE CO. LTD (China)
PETROCHINA COMPANY LIMITED (China)
Inventor
Gan, Quan
Shen, Shaochun
Ma, Fengboda
Abstract
The present invention provides a preparation method for polyolefin. In the preparation method, a cycloolefin monomer is used as a gas phase, a catalyst is loaded on a substrate material, and the catalyst is a solid phase; the cycloolefin monomer undergoes a gas-solid polymerization reaction under the action of the catalyst to obtain polyolefin; and the loading capacity of the catalyst on the substrate material is 0.1-1000 ppm. According to the method of the present invention, the complex operation in the prior art is overcome, and a polyolefin product having an ultrahigh molecular weight and a narrow molecular weight distribution can be obtained.
C08F 132/04 - Homopolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system having no condensed rings having one carbon-to-carbon double bond
C08F 234/02 - Copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side chain and having one or more carbon-to-carbon double bonds in a heterocyclic ring in a ring containing oxygen
C08F 32/04 - Homopolymers or copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system having no condensed rings having one carbon-to-carbon double bond
13.
HIGH-TEMPERATURE-RESISTANT MICROBICIDAL CORROSION INHIBITOR AND PREPARATION METHOD THEREFOR
A high-temperature-resistant microbicidal corrosion inhibitor and a preparation method therefor. The preparation method comprises the following steps: reacting a mercaptocarboxylic acid compound with polyethyleneimine in an organic solvent at a first temperature for a first time to obtain a system containing a first compound; adding a halogenated hydrocarbon to the system containing the first compound for a reaction at a second temperature for a second time to obtain a system containing a second compound; and then removing the organic solvent and performing drying to obtain the high-temperature-resistant microbicidal corrosion inhibitor. The preparation method for the high-temperature-resistant microbicidal corrosion inhibitor is simple and has good high-temperature stability and excellent microbicidal corrosion inhibition performance.
The present application relates to a capped, modified solution-styrene butadiene rubber and a preparation method therefor. The method comprises: in a multi-tank continuous reaction process, mixing styrene and butadiene in a solvent, then mixing with a structure modifier and an initiator to copolymerize styrene and butadiene to obtain an intermediate polymer; and performing a capping reaction with a capping monomer to obtain a capped polymer; then reacting with a modifier to obtain a modified polymer; and finally mixing with a terminator to obtain a capped, modified solution-styrene butadiene rubber. Thus, the problem of poor filler dispersibility is improved, which can stabilize the polymer molecular structure and effectively improve the processing performance of a product.
C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
C08F 8/42 - Introducing metal atoms or metal-containing groups
C08F 8/00 - Chemical modification by after-treatment
15.
METHOD AND DEVICE FOR DETERMINING OIL-WATER RELATIVE PERMEABILITY INFORMATION OF MEDIUM-HIGH PERMEABILITY RESERVOIR
A method and device for determining oil-water relative permeability information of a medium-high permeability reservoir, relating to the technical field of oil and gas reservoir development. The method comprises: acquiring nuclear magnetic resonance T2 spectrum information of a medium-high permeability reservoir in multiple states (101); determining pore distribution and oil phase distribution on the basis of the nuclear magnetic resonance T2 spectrum information in multiple states (102); using the pore distribution and the oil phase distribution of the medium-high permeability reservoir, combined with the wettability type of a core of the medium-high permeability reservoir, to divide movable oil-water space in the nuclear magnetic resonance T2 spectrum information in multiple states (103); on the basis of the nuclear magnetic resonance T2 spectrum information of the medium-high permeability reservoir in multiple states, determining a correspondence between the normalized saturation of the movable oil-water space and a T2 value (104); and on the basis of the correspondence between the normalized saturation of the movable oil-water space and the T2 value, determining an oil-phase relative permeability curve and a water-phase relative permeability curve of the medium-high permeability reservoir (105).
G01N 24/08 - Investigating or analysing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
G01N 15/08 - Investigating permeability, pore volume, or surface area of porous materials
16.
COMPOUND FOR SCALE AND CORROSION INHIBITOR, AND SCALE AND CORROSION INHIBITOR
Provided in the present invention are a compound for a scale and corrosion inhibitor, and the scale and corrosion inhibitor. The compound for the scale and corrosion inhibitor has a structure represented by formula (I).
The present invention belongs to the field of shale oil exploration. Provided are an evaluation method for the content of movable oil in shale, and a device and a storage medium. The evaluation method comprises the following steps: on the basis of pyrolysis test data of a sample to be tested at different aging times, determining a first recovery coefficient; on the basis of pyrolysis test data of said sample in different sample crushing environments, determining a second recovery coefficient; on the basis of pyrolysis test data of said sample at different crushing particle sizes, determining a third recovery coefficient; on the basis of pyrolysis test data of said sample at different pyrolysis temperatures, determining a fourth recovery coefficient; determining the product of the first recovery coefficient, the second recovery coefficient, the third recovery coefficient and the fourth recovery coefficient to be a light hydrocarbon recovery coefficient; and on the basis of the light hydrocarbon recovery coefficient, evaluating the content of movable oil in shale. The method provided in the present invention offers guidance for quantitatively evaluating the oil content of shale, and a finally determined free oil content result has a relatively small difference from the actual situation.
Provided in the present invention are a desulfurizing agent, a preparation method therefor and the use thereof in flue gas desulfurization. The preparation method comprises: mixing a mixed solution A containing a magnesium salt, an aluminum salt and a precipitant and a mixed solution B containing a Gemini anionic surfactant, carrying out a hydrothermal reaction, and sequentially performing washing, drying, grinding, primary roasting, forming and secondary roasting on a precipitate obtained from the hydrothermal reaction, so as to obtain the desulfurizing agent having relatively high desulfurization activity.
The present invention relates to the field of oil production engineering equipment. Disclosed are a waterflooding and well flushing system and an integrated water distributor thereof. The integrated water distributor comprises a main body with a hollow channel, and a setting mechanism slidably sleeved on the main body, wherein the main body is internally provided with a well-flushing fluid channel, a waterflooding valve, and a well flushing and waterflooding control mechanism for controlling the connection state of the well-flushing fluid channel and the open/closed state of the waterflooding valve; the well flushing and waterflooding control mechanism comprises a well flushing and waterflooding shared electrically-controlled transmission shaft and a well-flushing piston; and the waterflooding valve is connected to the well flushing and waterflooding shared electrically-controlled transmission shaft. When the waterflooding valve moves to an open state as the well flushing and waterflooding shared electrically-controlled transmission shaft slides, the hollow channel is in communication with a space outside the main body, and at the same time, the well-flushing piston blocks the well-flushing fluid channel. The integrated water distributor can effectively prevent the well-flushing fluid channel from being accidentally connected due to residual pressure of strata during waterflooding operation.
The present application discloses a refining system product carbon footprint value determining method and apparatus, a device, and a storage medium. The method comprises: obtaining a carbon emission accounting boundary of a refining system, and carbon emission data of an atmospheric and vacuum distillation unit, a secondary processing unit, and a blending unit within the boundary; determining a carbon footprint value of each product of the atmospheric and vacuum distillation unit on the basis of a preset carbon emission distribution principle and the carbon emission data of the atmospheric and vacuum distillation unit; taking the discharged products of the atmospheric and vacuum distillation unit as fed products of the secondary processing unit, and determining a carbon footprint value of each discharged product of the secondary processing unit on the basis of the preset carbon emission distribution principle, and fed product data and the carbon emission data of the secondary processing unit; and taking the discharged products of the secondary processing unit as fed products of the blending unit, and determining a carbon footprint value of each discharged product of the blending unit on the basis of the preset carbon emission distribution principle, and fed product data and the carbon emission data of the blending unit.
The present invention relates to the technical field of sand consolidation in oil/gas wells, and in particular to a modified nano-particle and a preparation method therefor, a sand consolidation material and a use thereof, and a sand consolidation method for an oil/gas well. The modified nanoparticle comprises an inorganic nanoparticle, coupling groups grafted on the surface of the inorganic nanoparticle, and crosslinking reactive groups and hydrophilic groups grafted on the coupling groups. The use of the modified nanoparticle in the present invention to prepare a sand consolidation material can significantly improve the sand consolidation effect of the sand consolidation material.
oilwateroiloilwaterwaterwateroiloil/n; and (3) calculating dynamic water content according to η=η(1)×S(1)+η(2)×S(2)+…+η(n)×S(n), wherein n is an integer selected from 2-15. In this way, a rapid, green and non-intrusive test of the water content of the emulsified oil is realized.
G01N 24/08 - Investigating or analysing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
23.
COMPOSITE MICROBIAL AGENT FOR DEGRADING PETROLEUM HYDROCARBON, AND PETROLEUM-CONTAMINATED SOIL REMEDIATION METHOD
A composite microbial agent for degrading petroleum hydrocarbon, and a petroleum-contaminated soil remediation method. The compound microbial agent comprises: Klebsiella oxytoca, Enterobacter asburiae and Cronobacter sp. Klebsiella oxytoca, Enterobacter asburiae and Cronobacter sp. are compounded, so that the composite bacteria have a good synergistic effect, and the formed composite microbial agent can effectively increase a degradation rate of the petroleum hydrocarbon, and efficiently remediate soil.
A fracturing test device, system and method, relating to the field of petroleum well logging. The fracturing test device is used for monitoring the status of each stratum of a fractured well. The fracturing test device comprises a housing (1) and a sensor (2) arranged in the housing (1); the outer surface of the housing (1) is coated with a soluble material layer; and the soluble material layer can be slowly degraded under the action of a fracturing fluid or a stratum-produced fluid, so that the density of the fracturing test device is reduced, and floats upwards under the buoyancy effect of the fracturing fluid or the stratum-produced fluid. The fracturing test device is used for being put into the fractured well to collect stratum data of each test stratum section of the fractured well; the density of the fracturing test device is changed by means of the soluble material layer, so as to ensure that the fracturing test device enters each test stratum section of the fractured well before fracturing; and by collecting the stratum data of each test stratum section by means of the fracturing test device, accurate analysis of a whole shaft can be achieved, thereby meeting requirements of fractured well test analysis.
E21B 49/00 - Testing the nature of borehole wallsFormation testingMethods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
25.
DOWNHOLE LIFTING ENERGY STORAGE TUBING STRING, DOWNHOLE MONITORING SYSTEM AND DOWNHOLE LIFTING ENERGY STORAGE METHOD
Provided are a downhole lifting energy storage tubing string, a downhole monitoring system and a downhole lifting energy storage method, belonging to oil extraction in oil fields. The downhole lifting energy storage tubing string comprises a sucker rod (1), a power generation body (3) and an energy storage body (6). The power generation body comprises a mover assembly (31) and a stator assembly (32). The mover assembly is fixedly sleeved on the sucker rod, and the stator assembly is sleeved on the outside of the mover assembly, the length of the mover assembly being greater than the length of the stator assembly. The stator assembly is provided with a stator coil winding (322). The sucker rod can reciprocate in the tubing string, the mover assembly generates a radial magnetic field along with the reciprocating motion of the sucker rod, and the stator coil winding of the stator assembly generates induced current under the action of the radial magnetic field. The energy storage body is connected to the power generation body and is used for receiving the induced current from the power generation body to obtain electric energy and store the electric energy.
The present invention relates to the field of oil reservoir development, and provides an intelligent injection-production collaborative development system and method for late-stage water-flooding of an oil reservoir. The intelligent injection-production collaborative development system for late-stage water-flooding of an oil reservoir comprises: a tubing string type determination module, used to determine, on the basis of pre-acquired tubing string constraint information, types of water injection tubing strings to be installed in water injection wells and types of oil production tubing strings to be installed in oil production wells; a production data acquisition module, used to acquire working data of the water injection tubing strings installed in the water injection wells and working data of the oil production tubing strings installed in the oil production wells, and, on the basis of the working data, obtain water injection data of the water injection wells and oil production data of the oil production wells; a dynamic analysis module, used to dynamically analyze the water injection data of the water injection wells and the oil production data of the oil production wells, so as to determine an optimal water injection scheme; and an adjustment module, used to adjust water injection amounts of the water injection wells on the basis of the optimal water injection scheme, so as to obtain an optimal oil production amount of a target region.
CNPC R & D (DIFC) COMPANY LIMITED (United Arab Emirates)
Inventor
Xu, Ning
Guo, Tongcui
Zhao, Junfeng
Xu, Zhenyong
Liu, Huifeng
Xie, Wei
Song, Min
Abstract
A method for determining sequence boundaries in high-frequency seismic sequence stratigraphy. The method comprises: generating a relative geological time model on the basis of a three-dimensional seismic data volume; extracting an initial seismic-based medium-low frequency first sequence boundary data volume; extracting a seismic-based medium-low frequency first sequence boundary curve; then, performing baseline removal processing; then, obtaining a seismic-based second sequence boundary data volume by means of a first waveform difference inversion; then, extracting a seismic-based third sequence boundary curve to serve as a basic curve and fusing same with a gamma curve, a porosity curve, a carbonate rock grain curve and a carbonate rock texture curve, that reflect high-frequency sequence boundaries, and a carbonate rock stylolite frequency curve, a carbonate rock asphalt content curve and a carbonate rock dolomite content curve that reflect sequence boundaries; then, performing a second waveform difference inversion to obtain a seismic-based high-frequency third sequence boundary data volume; and then identifying high-frequency seismic sequence boundaries. Thus, high precision is achieved. The present application further relates to an apparatus for determining sequence boundaries in high-frequency seismic sequence stratigraphy.
CNPC R & D (DIFC) COMPANY LIMITED (United Arab Emirates)
BEIJING PETROLEUM MACHINERY CO., LTD (China)
Inventor
Liu, Huifeng
Zhang, Yong
Xu, Ning
Zhao, Heqian
Lai, Zewu
Han, Haochen
Xie, Wei
Li, Xingjie
Wang, Yucai
Chen, Xingshen
Fu, Xin
Abstract
A hydraulic pulse-type soluble segmented acid fracturing slide sleeve and a pulse acid fracturing construction method. The slide sleeve comprises a slide sleeve outer cylinder (1) and a rotary valve assembly, and flow-passing holes (101) are formed on the slide sleeve outer cylinder (1); the rotary valve assembly comprises a valve core (2) and a valve ball (13), and the valve ball (13) can block a passage (203); a flow guide channel (206) and flow splitting channels (207) are formed between the outer wall of the valve core (2) and the inner wall of the slide sleeve outer cylinder (1); the slide sleeve outer cylinder (1) has a first position and a second position in the axial direction; when the valve core (2) is located at the first position, the outer wall of the valve core (2) blocks the flow-passing holes (101); an acid fracturing working fluid flowing through the flow guide channel (206) can push the valve core (2) to move from the first position to the second position along the slide sleeve outer cylinder (1), and push the valve core (2) to continuously rotate at the second position, so that the flow splitting channels (207) are alternately communicated with the flow-passing holes (101), the acid fracturing working fluid is discharged from the flow-passing holes as hydraulic pulses, hydraulic pulses with a proper frequency can be excited at the bottom of a well, energy attenuation is reduced, and the formation of a complex fracture network is promoted in a stratum.
E21B 43/27 - Methods for stimulating production by forming crevices or fractures by use of eroding chemicals, e.g. acids
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
A container underframe and a container having same. The container underframe comprises an underframe portion, which comprises: a first side beam; a second side beam spaced apart from the first side beam; a plurality of cross beam sets spaced apart between the first side beam and the second side beam, each cross beam set comprising a plurality of first cross beams; and a plurality of second cross beams, at least one second cross beam being arranged between any two adjacent cross beam sets, wherein the height of the first cross beam is less than that of the second cross beam. The container underframe of the present application effectively solves the problem that in the prior art, a container underframe is prone to damage caused by the irrational arrangement of cross beams of the underframe.
Provided in the present invention is an unloading method for a synthetic resin container. The unloading method comprises: maintaining a synthetic resin container in a vertical position, opening unloading doors on a side wall of the synthetic resin container, and when a detection signal from a pressure sensor arranged at the bottom of the synthetic resin container meets a preset condition, controlling the synthetic resin container to start tilting around a long edge of a bottom wall; controlling the synthetic resin container to gradually tilt from the vertical position into a tilted position within a first preset duration; and once the synthetic resin container has reached the tilted position, controlling the synthetic resin container to move from the tilted position into the vertical position within a second preset duration. The technical solution of the present application effectively solves the problem of low unloading efficiency of synthetic resin containers in the related art.
B60P 1/16 - Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load supporting or containing element actuated by fluid-operated mechanisms
A reservoir asphalt content acquisition method, comprising: on the basis of an interactive analysis of a well logging curve and mud logging data, acquiring a corrected well logging curve (S101); on the basis of the correlation between the reconstructed natural gamma curve, an actually measured rock core gamma curve, and the corrected well logging curve, acquiring the reconstructed natural gamma curve (S102); acquiring a resistivity difference curve on the basis of a resistivity difference between a deep resistivity curve and a shallow resistivity curve (S103); on the basis of the correlation between the asphalt content, the corrected well logging curve, the reconstructed natural gamma curve, and the resistivity difference curve, acquiring an asphalt content prediction model (S104); and using the asphalt content prediction model to calculate the asphalt content in an asphalt-containing reservoir (S105). Further provided is a reservoir asphalt content acquisition apparatus. The assessment efficiency and accuracy of the asphalt-containing reservoir of the whole-segment reservoir can be improved.
G01V 11/00 - Prospecting or detecting by methods combining techniques covered by two or more of main groups
G01V 3/38 - Processing data, e.g. for analysis, for interpretation or for correction
G01V 5/06 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging for detecting naturally radioactive minerals
Provided in the present invention are an unloading platform and an unloading method. The unloading platform comprises: a platform portion; a tilting frame for carrying a container, wherein the tilting frame has a first operating state, in which a first side of the tilting frame is hinged to the platform portion, and a second side of the tilting frame has a first initial position for aligning with the platform portion and a first tilted position for rising relative to the platform portion; lifting members disposed between the platform portion and the tilting frame, wherein the lifting members drive the tilting frame to switch between the first initial position and the first tilted position; and first limiting frames disposed on a first side portion of the platform portion, wherein when the tilting frame is in the tilted position, the tilting frame or the container is in limiting fit with the first limiting frames. The technical solution of the present application effectively solves the problem in the related art of a low unloading efficiency due to unloading of a synthetic resin container occurring on a vehicle body.
B65G 65/23 - Devices for tilting and emptying of containers
B65G 69/00 - Auxiliary measures taken, or devices used, in connection with loading or unloading
B60P 1/04 - Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load supporting or containing element
33.
STRATUM QUALITY FACTOR EXTRACTION METHOD AND APPARATUS, AND DEVICE AND STORAGE MEDIUM
The present invention belongs to the technical field of petroleum seismic exploration data processing. Provided are a stratum quality factor extraction method and apparatus, and a device and a storage medium. The method comprises: extracting first-arrival wave data from VSP well data, and performing velocity stratification on the first-arrival wave data; for each horizon, executing an amplitude curve fitting process, so as to obtain a fitted amplitude curve corresponding to each horizon; using the fitted amplitude curve corresponding to each horizon to determine the amplitude value at the start depth of first-arrival waves in the horizon, and the amplitude value at the end depth of the first-arrival waves in the horizon, and on the basis of the amplitude value at the start depth, the amplitude value at the end depth, and the depth interval and horizon velocity of the horizon, calculating an attenuation factor corresponding to the horizon; and on the basis of the attenuation factor corresponding to the horizon and dominant-frequency information of the horizon, performing calculation to obtain a stratum quality factor of the horizon. In the present invention, multi-point amplitude curve fitting of each horizon is integrated with formulas for accurately calculating an attenuation factor and a Q value, such that the Q-value is extracted at a high accuracy, high stability and high convenience.
A shale reservoir multiphase fluid permeability testing apparatus and method. The apparatus comprises: a testing box (100); a core holder (500); a clamping mechanism (200), comprising a first clamping structure (2) and a second clamping structure (5), wherein the core holder (500) can be clamped and fixed from an input end and an output end of the core holder (500); a fluid pumping mechanism (300), comprising a gas pumping device (13) and a liquid pumping device (15), wherein the gas pumping device (13) is communicated with an inner cavity of the testing box (100), an input end of a liquid delivery pipe (7) extends out of the testing box (100) and is connected to the liquid pumping device (15), and an output end of the liquid delivery pipe (7) is located on a clamping surface of the first clamping structure (2) and is communicated with the input end of the core holder (500); a measurement mechanism, comprising a humidity sensor (9) and a plurality of multi-element sensing structures (3), wherein the plurality of multi-element sensing structures (3) are mounted in the testing box (100), and the humidity sensor (9) is mounted on a clamping surface of the second clamping structure (5); and a data processing mechanism.
CHINA NATIONAL OIL AND GAS EXPLORATION AND DEVELOPMENT COMPANY LTD. (China)
Inventor
Du, Bingyi
Su, Qin
Gao, Jianhu
Wang, Xiao
Chang, Dekuan
Wang, Lei
Dong, Xuehua
Zhang, Jianxin
Zhang, Junduo
Abstract
Embodiments of the present invention relate to the technical field of shale gas development, and provide a method and system for predicting the maximum horizontal principal stress of shale gas reservoirs. The method comprises: performing cross-arranged gather extraction on acquired original shot gathers to obtain corresponding OVT gathers, and preprocessing the OVT gathers; acquiring well logging data, performing well-to-seismic calibration and seismic horizon interpretation on the basis of the well logging data, and obtaining an interpreted horizon of the current reservoir that meets in-situ stress prediction as a target horizon; constructing a low-frequency model on the basis of the well logging data and the target horizon, and calculating a Poisson's ratio and a fracture density on the basis of the low-frequency model; calculating a vertical principal stress of the target horizon on the basis of a velocity field, a formation density and a density inversion body; and calculating the maximum horizontal principal stress of the current reservoir on the basis of the Poisson's ratio, the fracture density, the vertical principal stress and a preset principal stress solving model. The solution of the present invention solves the problem of low accuracy in existing solutions for predicting the maximum horizontal principal stress of shale gas reservoirs.
PETROCHINA SHANGHAI ADVANCED MATERIALS RESEARCH INSTITUTE CO. LTD (China)
PETROCHINA COMPANY LIMITED (China)
Inventor
Feng, Yuzhi
Wen, Jingbin
Gong, Guangbi
Wu, Liping
Han, Yan
Xie, Tingting
Zhao, Zhichao
Lin, Feng
Chen, Fei
Wang, Yuchao
Abstract
The present invention provides an organosilicon-modified-perfluoropolyether-based UV anti-fingerprint agent and a preparation method therefor. The method comprises the following steps: adding an organosilicon-modified perfluoropolyether to a fluorocarbon solvent, adding an alcohol compound containing a propenyl-terminated group and a catalyst thereto, and reacting same, so as to obtain a hydroxyl-containing organosilicon-modified perfluoropolyether solution; adding an acid-binding agent to the hydroxyl-containing organosilicon-modified perfluoropolyether solution, and slowly adding, in a dropwise manner, an acryloyloxy chloride, and reacting same, so as to obtain a crude product; and adding an organic alcohol compound to the crude product for a treatment, subjecting same to liquid separation, leaving same to stand, taking out a subnatant, and subjecting same to rotary evaporation, so as to obtain an organosilicon-modified-perfluoropolyether-based UV anti-fingerprint agent. By means of chemical synthesis, the method of the present invention solves the problem of compatibility between a perfluoropolyether-based anti-fingerprint agent and a UV coating, whilst reducing the amount of fluorocarbon solvent. During the process of curing, the present invention further achieves the rapid migration of part of the perfluoropolyether-based anti-fingerprint agent to the surface of the UV coating for curing and cross-linking in situ.
C08G 65/336 - Polymers modified by chemical after-treatment with organic compounds containing silicon
C08G 65/332 - Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides or esters thereof
The present invention provides a foam-inhibition-type corrosion inhibition microbicide, a preparation method therefor, and a foam-inhibition-type corrosion inhibition microbicide composition. The foam-inhibition-type corrosion inhibition microbicide comprises at least one of a first compound, a second compound, and a third compound. The structure of the first compound is as represented by formula (I). The structure of the second compound is as represented by formula (II). The structure of the third compound is as represented by formula (III). The foam-inhibition-type corrosion inhibition microbicide composition of the present invention comprises: 10-50% of the foam-inhibition-type corrosion inhibition microbicide, 35-90% of a solvent, and 0-15% of an auxiliary agent. The foam-inhibition-type corrosion inhibition microbicide and the foam-inhibition-type corrosion inhibition microbicide composition provided by the present invention have relatively good corrosion inhibition capability, microbicidal capability and foam inhibition capability.
A01N 35/10 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen containing a carbon-to-nitrogen double bond
C08G 18/50 - Polyethers having hetero atoms other than oxygen
C07C 249/02 - Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of compounds containing imino groups
C07C 251/30 - Compounds containing nitrogen atoms doubly- bound to a carbon skeleton containing imino groups having nitrogen atoms of imino groups quaternised
38.
STRATIGRAPHIC-STRUCTURE-ORIENTED PRE-STACK TEXTURE ATTRIBUTE CALCULATION METHOD AND SYSTEM
A stratigraphic-structure-oriented pre-stack texture attribute calculation method, comprising: collecting four-dimensional seismic data, and calculating a preliminary dip volume corresponding to the four-dimensional seismic data (S110); constructing a stratigraphic-structure-oriented gradient structure tensor matrix GST on the basis of the preliminary dip volume, and calculating a first dip volume on the basis of the stratigraphic-structure-oriented gradient structure tensor matrix GST (S120); and constructing a stratigraphic-structure-oriented gray-level co-occurrence matrix G on the basis of the first dip volume, and calculating a texture feature attribute on the basis of the stratigraphic-structure-oriented gray-level co-occurrence matrix G, so as to obtain a texture feature attribute calculation result (S130). Further provided is a stratigraphic-structure-oriented pre-stack texture attribute calculation system. The method and system visually extract texture attributes according to stratigraphic structure features to describe structural features of pre-stack seismic data, thereby improving the spatial continuity of the texture feature attribute calculation result.
PETROCHINA SHANGHAI ADVANCED MATERIALS RESEARCH INSTITUTE CO. LTD (China)
PETROCHINA COMPANY LIMITED (China)
Inventor
Li, Xinle
Xiao, Yue
Wu, Liping
Huang, Xudong
Wang, Hanlin
Liu, Hengzhi
Meng, Fanmao
Liu, Xiaoyan
Abstract
22233; n is an integer from 1 to 4; Q is a divalent free radical; and A and Z are each independently selected from formulas II-IV. The metallocene catalyst composition has high activity, and can be used for achieving the development of polypropylene having high and ultrahigh melt flow rates by means of direct hydrogen regulation.
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
40.
CONTROLLABLE PREPARATION METHOD FOR PRODUCING FUNCTIONAL MATERIAL WITH HIGH YIELD WHILE REDUCING OLEFINS IN GASOLINE, UPGRADED BLENDED GASOLINE AND FUNCTIONAL MATERIAL
Provided in the present invention are a controllable preparation method for producing a functional material with a high yield while reducing olefins in gasoline, an upgraded blended gasoline and a functional material. The method comprises fractionating an FCC gasoline feedstock to obtain a light gasoline fraction and a heavy gasoline fraction; the light gasoline fraction and maleic anhydride undergoing a dynamic polymerization reaction so as to obtain a functional material and a filtrate mixture component; distilling the filtrate mixture component to obtain light gasoline having a low olefin content; the heavy gasoline fraction undergoing an upgrading reaction, and then blending same with the light gasoline to obtain upgraded blended gasoline having a low olefin content and a high octane number. The present invention can produce the functional material having a large molecular weight range and strong controllability while reducing olefins.
CHINA UNITED COALBED METHANE NATIONAL ENGINEERING RESEARCH CENTER CO., LTD. (China)
PETROCHINA COALBED METHANE COMPANY LIMITED (China)
Inventor
Liu, Danlu
Ding, Jiuge
Gao, Ersi
Ge, Tengze
Liu, Yuewu
Xu, Xiaohu
Yu, Yueyu
Tan, Xiaogai
Liu, Meng
Abstract
A protector for a capillary probe (6). The protector comprises a needle (1), a filter screen (2), a first protective sleeve (4) sleeved on a casing (3), and a second protective sleeve (5) sleeved on the first protective sleeve (4), wherein the second protective sleeve (5) is provided with a through hole in which the filter screen (2) is accommodated, both ends of the second protective sleeve (5) and the first protective sleeve (4) are sealingly connected to the casing (3), and a chamber is formed between the first protective sleeve (4) and the casing (3); a capillary probe (6) is inserted into the chamber, with one end of the capillary probe (6) connected to a capillary tube (7) and the other end provided with the needle (1), the needle (1) facing the filter screen (2); and when the protector is lowered to a designated coal seam outside the filter screen (2), gas is injected into the capillary probe (6), pushing the needle (1) out to pierce through the first protective sleeve (4), allowing gas from the designated coal seam to flow into the chamber through the filter screen (2). The protector has a simple structure and is reliable, and can prevent the capillary probe (6) from colliding with a borehole wall when lowered in, protecting the capillary probe (6) against contamination by mud during well cementing.
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
42.
REGIONAL IN-SITU STRESS CALCULATION METHOD, DEEP COAL SEAM IN-SITU STRESS CALCULATION METHOD AND DEVICE
PETROCHINA COALBED METHANE COMPANY LIMITED (China)
CHINA UNITED COALBED METHANE NATIONAL ENGINEERING RESEARCH CENTER CO., LTD. (China)
Inventor
Wang, Chengwang
Li, Shuguang
Chen, Gaojie
Wang, Yubin
Liu, Xinwei
Zhen, Huaibin
Jin, Xin
Abstract
A regional in-situ stress calculation method, a deep coal seam in-situ stress calculation method and a device. The deep coal seam in-situ stress calculation method comprises: on the basis of structural feature data of a preset area surrounding a target well location in a target block structural map, performing fitting to generate a quadratic surface; determining physical parameters of a target stratum, and, on the basis of the physical parameters and the quadratic surface, separately calculating horizontal in-situ stress components caused by vertical in-situ stress, horizontal in-situ stress components caused by a macrostructure and horizontal in-situ stress components caused by a microstructure; by taking the directions of the horizontal in-situ stress components caused by the microstructure as basis axes, decomposing the horizontal in-situ stress components caused by the vertical in-situ stress and the horizontal in-situ stress components caused by the macrostructure onto the basis axis directions, so as to establish an analysis equation; and, on the basis of the analysis equation, calculating structural stress coefficients, and, on the basis of the structural stress coefficients, rock mechanics parameters and a stratum pressure, calculating a horizontal in-situ stress magnitude and direction of the target well location.
A modified Y-type molecular sieve and a preparation method therefor, and a hydrocracking catalyst. The preparation method comprises: in a liquid phase system, subjecting an organic compound to a first reaction with a Y-type molecular sieve to obtain a modified Y-type molecular sieve A, wherein the organic compound comprises one or a combination of more than two of amidino, benzyl and sulfydryl functional groups; and in an acidic liquid phase system, subjecting the modified Y-type molecular sieve A to a second reaction, and then carrying out roasting treatment to obtain the modified Y-type molecular sieve, wherein the mass ratio of the Y-type molecular sieve to the organic compound is 3-12.5:1. The preparation method is safe and harmless, and the surface of the obtained molecular sieve is of a tunneled structure, so that the molecular sieve has good catalytic activity.
The present invention provides a modified Y-type molecular sieve and a preparation method therefor, and a hydrocracking catalyst. The preparation method comprises: in a liquid-phase system, enabling a first organic matter to react with a Y-type molecular sieve to obtain an intermediate product, wherein the first organic matter comprises one of or a combination of two or more of amidino, benzyl, and a sulfhydryl functional group; and mixing the intermediate product with an immersion solution containing a second organic matter, and then performing thermal treatment in a protective atmosphere to obtain a modified Y-type molecular sieve, wherein the mass ratio of the Y-type molecular sieve to the first organic matter is 3-12.5:1, and the second organic matter can be decomposed and carbonized at 160-200°C. The molecular sieve prepared by the present invention has good catalytic activity.
A hydroisomerization catalyst, and a preparation method therefor and the use thereof. The preparation method comprises the following steps: (1) mixing a hydrogen-type molecular sieve, an aluminum oxide precursor and an acid solution, and subjecting the resulting mixture to extrusion molding and roasting, so as to obtain a carrier precursor; (2) putting the carrier precursor into a first impregnation liquid containing a cationic Pt salt for first impregnation, so as to obtain a catalyst precursor I; (3) putting the catalyst precursor I into a second impregnation liquid containing an alkaline earth metal salt for secondary impregnation, so as to obtain a catalyst precursor II; and (4) calcining the catalyst precursor II, so as to obtain a hydroisomerization catalyst. The hydroisomerization catalyst obtained by using the preparation method has a high hydroisomerization activity, and can substantially reduce the cloud point and the pour point of a lubricant base oil while increasing the yield of the lubricant base oil, thereby greatly improving the low-temperature fluidity of the lubricant base oil.
C10G 45/62 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour pointSelective hydrocracking of normal paraffins characterised by the catalyst used containing platinum group metals or compounds thereof
C10G 45/64 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour pointSelective hydrocracking of normal paraffins characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves
C10G 45/58 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour pointSelective hydrocracking of normal paraffins
C10G 73/02 - Recovery of petroleum waxes from hydrocarbon oilsDe-waxing of hydrocarbon oils
A CoCuxOy catalyst, the molar ratio of Co, Cu and O thereof being 1:(0.2-1):(3-4). A preparation method of the catalyst comprises: dropwise adding a solution of an oxidizing agent and an initiator into a mixed aqueous solution of copper nitrate and cobalt nitrate, filtering the mixed solution after ageing to obtain a black cake-like precipitate, and calcining the precipitate at 180° C. to obtain the CoCuxOy catalyst. The present invention also provides a method for preparing 2,5-furandicarboxylic acid from the CoCuxOy catalyst prepared by said method. The preparation method of the CoCuxOy catalyst in the present invention has simple and convenient operations and mild conditions; the prepared catalyst has high catalytic efficiency; and using the catalyst for preparing 2,5-furandicarboxylic acid is characterized by high efficiency, easy separation, low costs, less pollution and the like.
PETROCHINA SHANGHAI ADVANCED MATERIALS RESEARCH INSTITUTE CO. LTD (China)
PETROCHINA COMPANY LIMITED (China)
Inventor
Shen, Shaochun
Yan, Qing
Wu, Liping
Huang, Xudong
Li, Zeqiu
Abstract
A catalyst for an acylation reaction, and a preparation method therefor and the use thereof. The preparation method for the catalyst for an acylation reaction comprises the following steps: (1) adding a cation exchange resin to a 0.1-10 mol/L hydrochloric acid solution, performing an ultrasonic treatment for 1-60 min followed by filtration, washing same with water until the filtrate is neutral, and filtering same; and (2) adding the cation exchange resin, which is obtained after the treatment in step (1), to a chromatographic column, adding a 0.01-5 mol/L Lewis acid solution for leaching, filtering same, then washing same with water, and drying same to obtain a catalyst for an acylation reaction. The catalyst for an acylation reaction can efficiently achieve an acylation catalytic reaction of a naphthalene-containing compound and has a good catalytic effect, and the post-treatment is simple.
The present invention provides an environmentally friendly low aromatic hydrocarbon deoiled wax having a low melting point, and a preparation method therefor. The preparation method comprises: performing wax crystallization on a mixture of a deoiled wax raw oil and a non-aromatic environmentally friendly deoiling solvent to obtain a crystallized mixture, and then performing a solvent deoiling process to obtain an environmentally friendly low aromatic hydrocarbon deoiled wax having a low melting point, wherein the non-aromatic environmentally friendly deoiling solvent is a mixture containing a C4 ketone and cyclohexane, with the content of the C4 ketone being 45-95 wt%. By means of the present invention, the environmentally friendly low aromatic hydrocarbon deoiled wax having a low melting point can be produced, and the subsequent solvent separation effect and low-carbon environmental protection property can be improved.
PETROCHINA COALBED METHANE COMPANY LIMITED (China)
CHINA UNITED COALBED METHANE NATIONAL ENGINEERING RESEARCH CENTER CO., LTD. (China)
Inventor
Yan, Xia
Li, Shuguang
Xiong, Xianyue
Feng, Yanqing
Guo, Lele
Nie, Zhihong
Yu, Lizhu
Zhao, Zengping
Sun, Xiaoyi
Abstract
A method and apparatus for optimizing fracture design parameters of multiple horizontal wells on the basis of a closed fracture network. The method comprises: performing fracture network form expansion on a target reservoir on the basis of given fracture design parameters, so as to obtain fracture point data of multiple fracture horizontal wells of the target reservoir (S101); on the basis of the fracture point data of the fracture horizontal wells, determining fracture forms of the fracture horizontal wells (S102); on the basis of the fracture forms of the fracture horizontal wells, calculating an initial degree of closure of a fracture network of the multiple fracture horizontal wells of the target reservoir, wherein the degree of closure of the fracture network of the multiple fracture horizontal wells is negatively correlated with the sum of a total unmodified volume and a total repeatedly modified volume of the multiple fracture horizontal wells (S103); and on the basis of the initial degree of closure, optimizing the fracture design parameters by using a preset parameter optimization algorithm and taking the maximization of the degree of closure of the fracture network of the multiple fracture horizontal wells as an objective, so as to obtain fracture design parameters of the multiple fracture horizontal wells at the maximum degree of closure (S104).
The embodiments of the present specification provide a coal bed gas well history matching method, an apparatus and a device, which are applied to the field of geological exploration and development. The method comprises: constructing a plurality of simulation schemes on the basis of at least one impact factor corresponding to a target coal bed gas well, wherein in different simulation schemes, the impact factors are set as corresponding simulation parameter values; separately calculating cumulative production parameters of the different simulation schemes, the cumulative production parameters comprising a cumulative gas production and a cumulative water production; determining a scheme deviation type on the basis of a comparison result between the cumulative production parameters and actual measured parameters; and performing history matching on the target coal bed gas well on the basis of a parameter adjustment strategy corresponding to the scheme deviation type.
G06F 30/20 - Design optimisation, verification or simulation
51.
WELL LOCATION AND WELL TRAJECTORY DETERMINATION METHOD, DRILLING SPEED INCREASE METHOD, MODIFICATION AND PRODUCTION INCREASE METHOD, AND DEVICE AND MEDIUM
A well location and well trajectory determination method, comprising: on the basis of a stratum pressure test, and a flow phase constraint of each stratum, establishing a full-stratum-series three-dimensional rock mechanical parameter field model, so as to obtain full-stratum-series rock mechanical parameters; on the basis of a geological structure, and a stratum pressure field of each stratum, establishing a three-dimensional full-stratum-series stress field prediction model, so as to acquire full-stratum-series three-dimensional stress field parameters; on the basis of the full-stratum-series rock mechanical parameters, the full-stratum-series three-dimensional stress field parameters and a three-dimensional natural fracture model, establishing a natural fracture activity prediction model, so as to evaluate fracture activity; and determining a well location and a well trajectory on the basis of a three-dimensional original field geostress model, a three-dimensional fracturability prediction model, the fracture activity and a three-dimensional collapse pressure prediction model. By means of the method, the effects of drilling speed increases and modification and production increases can be achieved in complex oil and gas field blocks. Further provided are a drilling speed increase method, a modification and production increase method, a well location and well trajectory determination apparatus, an electronic device, and a computer-readable storage medium.
E21B 49/00 - Testing the nature of borehole wallsFormation testingMethods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
PETROCHINA SHANGHAI ADVANCED MATERIALS RESEARCH INSTITUTE CO. LTD (China)
PETROCHINA COMPANY LIMITED (China)
Inventor
Wen, Jingbin
Feng, Yuzhi
Gong, Guangbi
Wu, Liping
Han, Yan
Li, Fuchong
Xie, Tingting
Abstract
The present invention provides a perfluoropolyether modified silicon dioxide material and a preparation method therefor. The preparation method comprises: adding a functionalized fluorine-containing polymer to a first solvent, adding a silane coupling agent and a catalyst and reacting, and obtaining a functionalized fluorine-containing polymer-modified siloxane; adding silicon dioxide to a second solvent and water, and then adding the functionalized fluorine-containing polymer-modified siloxane, a main catalyst, and a co-catalyst and reacting, and obtaining a crude product of a functionalized fluorine-containing polymer-modified silicon dioxide; and desolvating the crude product and drying, to then obtain a perfluoropolyether-modified silicon dioxide material. The technical solution of the present invention solves the problems of traditional silicon dioxide such as the large number of hydroxyl groups on the surface thereof, being prone to agglomeration in materials, uneven dispersion, and poor compatibility with substrates, improves the compatibility of silicon dioxide materials with substrates, and promotes dispersion. Moreover, reactive groups on the surface thereof can achieve in-situ chemical crosslinking or in-situ synthesis with other materials, thus, the range of application is broader.
Provided are an iridium-oxide-based catalyst and a preparation method therefor and the use thereof, and a membrane electrode and a preparation method therefor and the use thereof. The catalyst comprises an oxide of iridium, wherein the oxide of iridium comprises an oxide of iridium having vacancies, the vacancies comprising iridium vacancies or oxygen vacancies; and iridium oxide comprises metastable-phase iridium oxide. A hydrogen-oxygen flame method is used as the preparation method for the catalyst, and can respectively regulate and control vacancies and crystal phases. The catalyst has both high-activity defect vacancies and stable high-activity crystal phases, and has a low overpotential and a high oxygen evolution catalyzing activity when being applied to water electrolysis.
C25B 11/075 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound
C01G 55/00 - Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
C25B 11/081 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the element being a noble metal
C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
B01J 23/46 - Ruthenium, rhodium, osmium or iridium
C25B 1/042 - Hydrogen or oxygen by electrolysis of water by electrolysis of steam
54.
DESCALING COMPOSITION, DESCALING AGENT, PREPARATION METHOD AND USE
111, such that the descaling composition is more easily combined with a metal ion to form a stable chelate, and the temperature resistance of the descaling composition is enhanced; in addition, a neutral descaling agent prepared from the descaling composition has the characteristics of a good scale dissolving effect, low corrosivity, good temperature resistance, etc., and can effectively solve the problem of blockage of inorganic indissolvable scale of a high-temperature and high-pressure gas well.
C02F 5/14 - Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
C09K 8/524 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
C09K 8/528 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates
C09K 8/52 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
55.
PROPANE DEHYDROGENATION CATALYST, PREPARATION METHOD THEREFOR AND USE THEREOF
A propane dehydrogenation catalyst, a preparation method therefor and a use thereof. The propane dehydrogenation catalyst comprises a hydrogen-type mesoporous-microporous composite hierarchically porous molecular sieve carrier and a cobalt active component, wherein a part of the cobalt active component is loaded on the surface of the hydrogen-type mesoporous-microporous composite hierarchically porous molecular sieve carrier in the form of CoO nanoparticles, and the other part of the cobalt active component enters the framework of the hydrogen-type mesoporous-microporous composite hierarchically porous molecular sieve carrier in the form of chemical bonds to form a Co2+-O-Si structure; and based on 100% of the total weight of the hydrogen-type mesoporous-microporous composite hierarchically porous molecular sieve carrier, the content of the cobalt active component is 0.1-7 wt% in terms of a cobalt element. The propane dehydrogenation catalyst has excellent catalytic propane dehydrogenation reaction activity and stability.
The present invention relates to the field of development and recovery of oilfields, and discloses a polymer and a preparation method therefor and use thereof. The polymer contains a structural unit A shown in formula (I), a structural unit B shown in formula (II) and a structural unit C shown in formula (III), wherein the molar ratio of the structural unit A : the structural unit B : the structural unit C is (30-480) : (10-85) : 1. The viscosity-average molecular weight of the polymer is 200-1200 g/mol. The polymer has low molecular weight, good water solubility and excellent salt resistance. Using an aqueous solution of the polymer to displace low permeability oil reservoirs can significantly improve the oil displacement effect and enhance the oil recovery efficiency.
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
57.
AUTOMATIC MEASUREMENT SYSTEM AND METHOD FOR ROCK POROSITY
Provided are an automatic measurement system and method for a rock porosity. The system comprises a loading device (2), a weighing device (3), a lifting and immersing device (4), a grasping device (5), a vacuum-pumping, saturation and pressurizing device (6), a wiping device (7), and a control device (8), the loading device (2) comprising a lifting and rotating assembly (21) and a distribution shelf (22) arranged on the lifting and rotating assembly (21). In this way, the dry weight, the buoyant weight, and the wet weight of a plurality of core samples can be automatically measured, and then the porosity of each core sample is calculated on the basis of the automatically measured dry weight, buoyant weight and wet weight of each core sample.
Provided in the present disclosure are a reservoir physical property parameter label synthesis method, an apparatus, and a training method for a prediction model. The reservoir physical property parameter label synthesis method comprises: importing reservoir physical property parameters obtained by means of logging of a target research region into an original physical property parameter distribution characteristic function, so as to obtain a physical property parameter distribution characteristic function corresponding to the target research region; performing random sampling in the physical property parameter distribution characteristic function, so as to obtain a plurality of random synthetic physical property parameters; performing combination according to the plurality of random synthetic physical property parameters, so as to obtain a physical property parameter synthetic curve, and obtaining a reflection coefficient curve; and performing convolution on the reflection coefficient curve and statistical seismic wavelets to obtain a plurality of synthetic pre-stack seismic angle gathers; and, according to the plurality of synthetic pre-stack seismic angle gathers and random synthetic physical property parameters corresponding to each synthetic pre-stack seismic angle gather, determining a plurality of reservoir physical property parameter labels. Since the physical property parameter distribution curve is used to select the reservoir physical property parameters, the difference between the reservoir physical property parameter labels and actual labels is relatively small.
G01V 1/28 - Processing seismic data, e.g. for interpretation or for event detection
G01V 1/40 - SeismologySeismic or acoustic prospecting or detecting specially adapted for well-logging
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
59.
NITRILE RUBBER, AND PREPARATION METHOD THEREFOR AND USE THEREOF
101313 linear alkyl benzene sulfonic acid and a sodium salt of naphthalene sulfonic acid formaldehyde condensate, and a low-temperature emulsion polymerization process are used, and a reactive anti-aging agent is introduced into emulsion polymerization, such that specific groups are effectively bonded into polymer molecular chains, and the obtained nitrile rubber can be used in the field of oil-resistant sealing in high-temperature operation environments.
C08F 236/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
Provided in the present invention are a phosphorus-free pre-filming agent and a preparation method therefor, and a pre-filming method for a water-cooled heat exchanger. The phosphorus-free pre-filming agent comprises the following raw materials in percentage by weight: 1-10% of an amino acid containing two carboxyl groups in the molecule thereof, and/or a salt thereof; 1-10% of hydroxycarboxylic acid and/or a hydroxycarboxylate; 1-10% of a zinc salt; 1-5% of a molybdate; 1-10% of a polymer; and the balance being water. A film obtained when the addition amount of the phosphorus-free pre-filming agent of the present invention reaches 100 ppm has good performance, and the longest duration of a red dot test of same can reach 30 s.
C23C 22/40 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates
C02F 5/10 - Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
61.
DOLOMITE STANDARD SAMPLE DEVELOPMENT METHOD CALIBRATED BY AGE METHOD, DOLOMITE STANDARD SAMPLE, AND USE THEREOF
The present invention provides a dolomite standard sample development method calibrated by an age method, a dolomite standard sample and the use thereof. The development method comprises: providing a candidate of a dolomite standard sample; providing a calcite standard sample, a zircon standard sample and a garnet standard sample which have been subjected to verification of matrix effects; taking the calcite standard sample as a main standard sample, and the zircon standard sample and the garnet standard sample as secondary standard samples, measuring the age of the candidate of the dolomite standard sample twice, and marking the test results as A and B; and when A and B satisfy (A-B)/B×100≤3, using the candidate of the dolomite standard sample as a dolomite standard sample.
G01N 27/626 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosolsInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electric discharges, e.g. emission of cathode using heat to ionise a gas
62.
SINGLE-ENDED POLYFUNCTIONAL STYRENE-CONJUGATED DIENE POLYMER, PREPARATION METHOD THEREFOR, AND USE THEREOF
A single-ended polyfunctional styrene-conjugated diene polymer, a preparation method therefor, and a use thereof. The general formula of the single-ended polyfunctional styrene-conjugated diene polymer is: formula (A). The preparation method comprises: styrene and conjugated diene undergoing an anionic polymerization reaction in the presence of an initiator and a solvent; then at least carrying out end-capping using a dibasic acid anhydride; and then carrying out a reaction by using amino siloxane to obtain the single-ended polyfunctional styrene-conjugated diene polymer. The single-ended polyfunctional styrene-conjugated diene polymer contains a plurality of functional groups, so that the dispersibility of a filler in a polymer matrix can be improved.
C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
C08F 8/32 - Introducing nitrogen atoms or nitrogen-containing groups by reaction with amines
C08F 8/42 - Introducing metal atoms or metal-containing groups
The present invention relates to the technical field of catalytic cracking. Disclosed are a Y/ZSM-22/P-KIT-1 composite molecular sieve and a preparation method therefor, a catalyst carrier, a catalyst and a hydrocracking method. In weight percentage, in the composite molecular sieve, the content of a ZSM-22 molecular sieve is 20-55 wt%, the content of a P-KIT-1 molecular sieve is 15-30 wt%, and the content of a Y molecular sieve is 20-65 wt%; and, in the catalyst carrier, the content of amorphous silica-alumina is 20-70 wt%, the content of small-pore alumina is 10-50 wt%, and the content of the composite molecular sieve is 15-80 wt%. When the catalyst containing the composite molecular sieve is used for hydrocracking, the selectivity, the yield and the smoke point of jet fuel can be remarkably improved, and simultaneously tail oil having a high viscosity index can be produced.
A preparation method for a cobalt-iridium nanocrystal comprises: mixing an iridium salt, an organic ligand, a reducing solvent and a centrifugal liquid to form a first precursor, and maintaining the temperature of the first precursor; and mixing the first precursor with a cobalt salt in a protective atmosphere to form a second precursor, and maintaining the temperature to carry out a reaction to obtain the cobalt-iridium nanocrystal. According to the preparation method, a centrifugal liquid is used as a raw material, improving the yield, crystallinity and electrocatalytic activity of the cobalt-iridium nanocrystal, and reducing the synthesis cost. The present invention also relates to a cobalt-iridium nanocrystal and a water electrolysis catalyst.
B22F 9/24 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
65.
CATALYTIC CRACKING COMPOSITE CATALYST, PREPARATION METHOD THEREFOR, AND USE THEREOF
The present invention relates to the technical field of cracking catalyst preparation. Disclosed are a catalytic cracking composite catalyst and a preparation method therefor. The composite catalyst comprises catalyst A and catalyst B. The bulk density of catalyst A is 0.7-0.79 g/cm3, the bulk density of catalyst B is 0.81-0.87 g/cm3, and the bulk density ratio of catalyst A to catalyst B is 0.88-0.95. The dry-basis weight ratio of Y-type molecular sieves contained in catalyst A to those contained in catalyst B is 2-4:1. The composite catalyst has good wear resistance performance, achieves a high yield of low-carbon olefins and high propylene selectivity in heavy oil catalytic cracking, and increases the yield of low-carbon olefins without increasing the yield of heavy oil and diesel oil.
A pretreatment device for a carbonate cluster isotope test, and a test method. The device comprises an acidolysis reaction unit, a gas purification unit, a gas collection unit and a balance gas unit. The acidolysis reaction unit comprises a closed acidolysis reactor and a common acid bath acidolysis reactor (25), wherein the closed acidolysis reactor and the common acid bath acidolysis reactor (25) are connected in parallel. The closed acidolysis reactor comprises a fifth cold trap (105), a second control valve (2), a third control valve (3), a fourth control valve (4), a fifth control valve (5), a sixth control valve (6) and a seventh control valve (7), which are connected in series. The gas purification unit comprises a tenth control valve (10), a first cold trap (101), an eleventh control valve (11), a second cold trap (102), a porapak trap (26) and a twelfth control valve (12), which are connected in sequence. The gas collection unit comprises a third cold trap (103), a fourteenth control valve (14), an eighteenth control valve (18), a seventeenth control valve (17), a fourth cold trap (104) and a twentieth control valve (20), which are connected in sequence. The pretreatment device has high levels of test precision.
Provided in the present invention are a reforming microchannel reactor and a solid oxide fuel cell power generation system. The reforming microchannel reactor comprises a shell, a plurality of plates arranged in the shell, and at least one combustion chamber, at least one heat exchange chamber, and at least one reforming reaction chamber, which are separated by the plates in the shell, wherein the combustion chamber, the heat exchange chamber and the reforming reaction chamber are spaced apart, and the heat exchange chamber is arranged between the combustion chamber and the reforming reaction chamber; the combustion chamber and the heat exchange chamber are separated by a first plate, and the heat exchange chamber and the reforming reaction chamber are separated by a second plate; and the first plate and the second plate each comprise a ceramic metal composite substrate and a catalyst layer loaded on at least one surface of the ceramic metal composite substrate, the catalyst layer of the first plate being located on the side of the combustion chamber, the catalyst layer of the second plate being located on the side of the reforming reaction chamber, and the catalyst in the catalyst layer being a single-atom metal-based catalyst.
252525255, of the co-active metal oxide forms a composite oxide of vanadium and the co-active metal. The denitration catalyst has good resistance, is suitable for middle-low temperature denitration, can take the denitration effects of both a low-temperature area and a medium-temperature area into consideration, and has an NOx conversion rate of 84% or above at a temperature in the range of 170-370°C, thereby solving the problems of poor denitration efficiency, poor water resistance, etc., of an existing vanadium-based middle-low temperature denitration catalyst in a relatively-low-temperature section.
11661321661313 aryl group and a derivative thereof. The aminoquinoline single-site complex has a novel structure, is easy to synthesize, has a stable spatial configuration, and can maintain high catalytic activity and selectivity at high temperatures.
C08F 4/646 - Catalysts comprising at least two different metals, in metallic form or as compounds thereof, in addition to the component covered by group
C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
71.
CARBON DIOXIDE ABSORBENT AND ABSORPTION AND REGENERATION METHOD THEREFOR
Disclosed in the present invention are a carbon dioxide absorbent and an absorption and regeneration method therefor. The absorbent comprises: 15-40 parts by weight of a tertiary amine, 15-70 parts by weight of a polyamine, 1-20 parts by weight of a sterically hindered amine, 1-20 parts by weight of an activating agent and 1-5 parts by weight of amino-containing organic acid. The carbon dioxide absorbent of the present invention has the characteristics of low desorption energy consumption, rapid separation and rapid regeneration, and the regeneration process thereof is simple and easy to popularize. In the present invention, an efficient gas-liquid mass transfer device is used for realizing a heat-mass coordinated transfer process during a gas-liquid reaction and separation process, thereby improving the mass transfer coefficient of carbon dioxide molecules in the solvent/water vapor interface, and indirectly improving the carbon dioxide separation efficiency, coupled with the characteristic that the low-energy-consumption solvent of the present invention has a high liquid film carbon dioxide molecular concentration at the regeneration temperature. There are fewer solvents entrained by carbon dioxide generated in the present invention, thereby efficiently reducing the loss of the solvents during a cooling and separation process.
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
A method for reactivating alkanolamine solution, including the following steps: performing, by using a hydrogen phosphate ion remover, a first adsorption treatment on a to-be-reactivated alkanolamine solution to obtain a first solution and an adsorption system; performing, by successively using a hydroxide ion exchange resin and a methyldiethanolamine cation exchange resin, a second adsorption treatment on the first solution to obtain a second solution; performing a first mixing treatment on an ammonium sulfate solution and the adsorption system to obtain a third solution and a to-be-regenerated remover; performing a second mixing treatment on a hydrogen ion exchange resin and the third solution to obtain a fourth solution; and performing a third mixing treatment on the second solution and the fourth solution to obtain a reactivated alkanolamine solution.
Provided in the present invention are a method and system for widening a drilling safety pressure window, and a device and a storage medium. The method comprises the following steps: predicting distribution features of underground leakage-prone natural fractures; on the basis of the distribution features of the natural fractures, acquiring the locations and occurrences of the leakage-prone fractures, and predicting the leakage pressure; and respectively predicting fractures and crushed zones, and fracture shear deformation and destruction, optimizing a well location and a well trajectory on the basis of a prediction result, avoiding open-type fracture regions, selecting a region having a relatively high leakage pressure as a well point location and a wellbore trajectory, and using same for widening a safety pressure window. In the present invention, mechanical means are used to reduce the collapse pressure and extend a lower limit, so that broad adaptability and a high success rate are achieved, the problem of drilling safety pressure window widening of ultra-deep, high-pressure and high-stress fractured formations can be effectively solved, and the present invention is conducive to solving the drilling safety problems of kicking, leakage, sticking, etc., and is also conducive to reducing drilling costs, protecting the environment, and effectively avoiding reservoir damage.
A seismic shot gather denoising method, relating to the field of geological exploration. The method comprises: extracting a plurality of pieces of target seismic trace data from a seismic shot gather, and obtaining a three-dimensional common-offset-vector tile gather on the basis of the plurality of pieces of target seismic trace data, wherein the plurality of pieces of target seismic trace data have the same offset and the same azimuth angle (101); on the basis of Fourier-Mellin transform, performing three-dimensional continuous wavelet transform on the three-dimensional common-offset-vector tile gather to obtain three-dimensional continuous wavelet transform coefficients (102); and on the basis of an apparent velocity difference between coherent noise and an effective reflection wave in the three-dimensional common-offset-vector tile gather, screening the three-dimensional continuous wavelet transform coefficients to obtain a target three-dimensional continuous wavelet transform coefficient (103). In this way, the difference between the effective reflection wave and the coherent noise can be increased, so as to remove the coherent noise more easily, thereby improving the removal effect of the coherent noise. Also provided are a seismic shot gather denoising apparatus, a storage medium, and a processor.
The present invention provides a gas sensor for a non-metallic pipe, a manufacturing method for the gas sensor, and a gas monitoring method. The manufacturing method for the gas sensor comprises: taking a dispersion liquid containing MXene nanosheets as a spinning solution, and injecting the spinning solution into a spinning guide pipe, wherein a sleeve is provided on the outer wall of the spinning guide pipe, and the temperature of the sleeve is gradually reduced in the flow direction of the spinning solution; injecting the spinning solution into a coagulating bath through the spinning guide pipe; collecting fibers formed in the coagulating bath, and then at least carrying out swelling, liquid nitrogen freezing and freeze drying to obtain MXene-based gel fibers; and using the MXene-based gel fibers to assemble the gas sensor. The gas sensor of the present invention has high sensitivity, can detect a low-concentration gas, and is suitable for monitoring gas permeation of a non-metallic pipe.
G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluidInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid
76.
ADJUVANT FOR ENHANCING COMPATIBILITY OF BACTERICIDAL CORROSION INHIBITOR, AND BACTERICIDAL CORROSION INHIBITOR
Disclosed are an auxiliary agent for enhancing the compatibility of a bactericidal corrosion inhibitor, and a bactericidal corrosion inhibitor. The auxiliary agent comprises an ionic liquid and an alcohol compound in a mass ratio of 1-10:1-5; the ionic liquid comprises one or a combination multiple of of an imidazolium ionic liquid, a pyridinium ionic liquid, a quinoline ionic liquid, a quaternary ammonium salt ionic liquid and a quaternary phosphonium salt ionic liquid. The auxiliary agent provided by the present invention can enhance the compatibility of the bactericidal corrosion inhibitor with a flowback fluid. The bactericidal corrosion inhibitor of the present invention has the advantages of good high-temperature stability, no foaming, and high bactericidal and corrosion inhibition efficiency.
A01N 25/00 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of applicationSubstances for reducing the noxious effect of the active ingredients to organisms other than pests
C09K 8/54 - Compositions for in situ inhibition of corrosion in boreholes or wells
A01N 57/34 - Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-halogen bondsPhosphonium salts
A01N 43/40 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
A01N 43/42 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings condensed with carbocyclic rings
77.
SYSTEM AND METHOD FOR PREPARING POLYESTER POLYOL PREPOLYMER
The present invention provides a system and a method for preparing a polyester polyol prepolymer. The system comprises an atmospheric pressure bubbling reaction rectifying tower and a reduced pressure heating reaction rectifying tower. The method comprises: introducing a protective gas into an atmospheric pressure bubbling reaction rectifying tower, introducing a raw material for preparing a polyester polyol prepolymer into the atmospheric pressure bubbling reaction rectifying tower, and carrying out a primary esterification reaction or an ester exchange reaction; and introducing the primary esterification product or the ester exchange product into a reduced pressure heating reaction rectifying tower, and carrying out one or more of a deep esterification reaction, an ester exchange reaction, and a pre-polycondensation reaction to obtain the polyester polyol prepolymer. The present invention has the advantages of high reaction efficiency, stable product quality, easiness in product separation, convenience in large-scale production and the like.
C08G 63/12 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
C07C 67/08 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
B01J 19/24 - Stationary reactors without moving elements inside
B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
B01D 3/00 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
Disclosed in the present invention are a liquid styrene-butadiene rubber, and a preparation method therefor and the use thereof. Polymerization monomers of the liquid styrene-butadiene rubber comprise butadiene, styrene and a sulphonate-containing monomer of formula (I). In the present invention, the sulphonate-containing monomer is used for preparing the liquid styrene-butadiene rubber, thereby obtaining a liquid styrene-butadiene rubber having better temperature resistance, wear resistance, corrosion resistance and mechanical properties.
C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
The present application provides a main catalyst for preparing poly(4-methyl-1-pentene) and a use of the main catalyst. The main catalyst for preparing poly(4-methyl-1-pentene) of the present application has a structure represented by Formula I, in which R1 is selected from hydrogen or phenyl, and when R1 is selected from phenyl, R1 is fused with a naphthalene ring in the Formula I to form an anthracene ring; and R2 is selected from methyl or isopropyl. When the main catalyst of the present application is used in a catalytic system to catalyze homopolymerization of 4-methyl-1-pentene, the catalyst exhibits high catalytic activity, and the prepared poly(4-methyl-1-pentene) has high molecular weight, narrow molecular weight distribution and high isotacticity, and thus has broad market application prospects.
B01J 31/18 - Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony
B01J 37/00 - Processes, in general, for preparing catalystsProcesses, in general, for activation of catalysts
C08F 4/76 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from refractory metals selected from titanium, zirconium, hafnium, vanadium, niobium, or tantalum
C08F 10/14 - Monomers containing five or more carbon atoms
80.
ULTRA-DEEP CARBONATE ROCK DISSOLUTION SIMULATION EXPERIMENT DEVICE AND METHOD
An ultra-deep carbonate rock dissolution simulation experiment device and method. The experiment device comprises: at least two reaction kettles (1) arranged in series connection, the reaction kettles (1) each comprising a confining pressure mechanism (10) and an axial pressure mechanism (20), wherein the confining pressure mechanism (10) is provided with a rock core cavity for accommodating a rock core (2) and can apply confining pressure to the rock core (2), the axial pressure mechanism (20) is used for applying axial pressure to the rock core (2) in the rock core cavity, and the axial pressure mechanism (20) is provided with a reaction solution interface communicating with the rock core cavity; a solution pressure vessel system (40), capable of providing a reaction solution and injecting the reaction solution into the rock core cavities by means of the reaction solution interfaces; at least two back pressure control devices (30), outlet ends of the rock core cavities of the reaction kettles (1) being connected to the back pressure control devices (30); and a detection system (50). The rock core cavities of the reaction kettles (1) are in series connection, and the reaction solution provided by the solution pressure vessel system (40) can sequentially flow through the rock core cavities in series connection, and the detection system (50) is used for separately performing detection on each rock core cavity, thereby solving the technical problem of the difficulty in conducting simulation experiments with respect to the dissolution of strongly altered carbonate rocks in ten-thousand-meter ultra-deep conditions.
The present invention provides a heavy oil-based high-capacity capacitive carbon material and a preparation method therefor, and a supercapacitor. The preparation method comprises: mixing a heavy oil, an oxygen-containing catalyst and an activator to obtain a complex, and shaping the complex, wherein the mass ratio of the heavy oil to the oxygen-containing catalyst is 1 : 1 to 1 : 10, and the mass ratio of the heavy oil to the activator is 1 : 0.2 to 1 : 5; subjecting the shaped complex to an activating reaction; and washing the activated product with an acid to obtain the capacitive carbon material. The capacitive carbon material prepared by the present invention has a high specific surface area and an abundant channel structure.
The embodiments of the present invention belong to the technical field of working condition monitoring for carbon dioxide huff and puff wells. Provided are a working condition monitoring method for a carbon dioxide huff and puff well, an apparatus, a storage medium and a system. The working condition monitoring method for a carbon dioxide huff and puff well comprises: acquiring data of a plurality of monitoring parameters of a carbon dioxide huff and puff well by means of a multi-parameter water cut meter; by means of the acquired data of the plurality of monitoring parameters, determining a working condition of the carbon dioxide huff and puff well; and when the working condition is an abnormal working condition, sending abnormal working condition information. Without the need for any additional devices and algorithms, the embodiments of the present invention can determine a working condition of a carbon dioxide huff and puff well simply by using the multi-parameter water cut meter configured for the carbon dioxide huff and puff well to acquire data of a plurality of corresponding monitoring parameters, thus achieving diagnosis and warning for abnormal working conditions such as gas slug, pumping with gushing, oil blockage, gas continuous phase and ice blockage which occur during the mining stage of carbon dioxide huff and puff wells, and providing corresponding abnormal working condition treatment measures.
Provided are a composite metal oxide catalyst and a preparation method therefor, and a methane catalytic cracking method. The catalyst comprises a dehydrogenation main active component, a dehydrogenation auxiliary active component and a carrier, wherein the metal element of the dehydrogenation auxiliary active component is selected from at least one of the fourth period, the fifth period and the sixth period and at least one of the IB group, the VB group, the VIB group and the VIIB group, and/or is selected from La-series metals. The catalyst has high active metal dispersity, a long service life and a high methane conversion rate and high carbon nanotube output quality.
B01J 23/83 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with rare earths or actinides
B01J 23/89 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with noble metals
C01B 3/26 - Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons using catalysts
84.
METHOD FOR PARAMETER SELECTION ON THE BASIS OF MIGRATION LAW OF INJECTED GAS FOR CONDENSATE GAS RESERVOIR AND APPARATUS
The present invention relates to the field of oil exploration, in particular to a method for parameter selection on the basis of the migration law of an injected gas for a condensate gas reservoir and an apparatus. The method comprises: according to an injection condition set, constructing a mathematical model for the flow and diffusion of an injected fluid; numeralizing the mathematical model, so as to obtain a relationship curve between a breakthrough time of an injected gas and the Peclet number; constructing a physical simulation model for the displacement of a condensate gas reservoir by the injected fluid, and on the basis of an injection condition, carrying out a condensate gas reservoir simulation experiment, so as to obtain a simulation result; according to the simulation result, verifying and fitting the relationship curve between the breakthrough time of the injected gas, the mobility ratio and the Peclet number, so as to determine a breakthrough time calculation formula; by means of using injection parameter sets, performing condensate gas reservoir gas injection experiments, and calculating the breakthrough time of the condensate gas reservoir gas injection experiment corresponding to each injection parameter set; and determining as optimal injection parameters the injection parameter set corresponding to the condensate gas reservoir gas injection experiment with the shortest breakthrough time. The present solution solves the problem of blockages of oil and gas seepage flow channels of condensate gas reservoirs, thus preventing affects on normal operations of oil and gas wells.
G06F 30/28 - Design optimisation, verification or simulation using fluid dynamics, e.g. using Navier-Stokes equations or computational fluid dynamics [CFD]
PETROCHINA SHENZHEN NEW ENERGY RESEARCH INSTITUTE (China)
PETROCHINA COMPANY LIMITED (China)
Inventor
Zou, Caineng
Wang, Jianqiang
Cheng, Fupeng
Li, Xiaojie
Lu, Xinxin
Deng, Chen
Lin, Xiao
Abstract
The present invention provides a cathode current collector of a flat-tube solid oxide fuel cell, and a preparation method therefor. The preparation method for the cathode current collector of a flat-tube solid oxide fuel cell comprises: mixing cobalt(III) oxide, lanthanum oxide and copper oxide to obtain current collector powder; and depositing the current collector powder on the surface of a battery cathode by means of plasma spraying technology to obtain the cathode current collector.
PETROCHINA SHENZHEN NEW ENERGY RESEARCH INSTITUTE (China)
PETROCHINA COMPANY LIMITED (China)
Inventor
Ye, Liwang
Liu, Chenguang
Chu, Pan
Zhao, Yu
Fan, Yanchen
Zhou, Hongyu
Wang, Tong
Abstract
A battery micro-short-circuit detection method and system. The detection method comprises: measuring an open-circuit voltage of a battery to be subjected to detection, so as to obtain a first open-circuit voltage value (S1); applying a varying stress to the battery to be subjected to detection, and lasting for a period of time (S2); after the stress is removed, measuring once more the open-circuit voltage of the battery to be subjected to detection, so as to obtain a second open-circuit voltage value (S3); performing calculation to obtain a unit-time voltage-drop value of the battery to be subjected to detection (S4); comparing the unit-time voltage-drop value of the battery to be subjected to detection with a unit-time voltage-drop threshold value of a predetermined battery of the same type that is determined according to the same step (S5): and if the unit-time voltage-drop value of the battery to be subjected to detection is greater than or equal to the unit-time voltage-drop threshold value, determining that the battery to be subjected to detection is a micro-short-circuit defective product, otherwise, determining that the battery to be subjected to detection is a good product.
CHINA KUNLUN CONTRACTING & ENGINEERING CO., LTD (China)
Inventor
Li, Mengqiang
Li, Lijun
Chen, Qiang
Chen, Xiangyi
Sun, Aijun
Deng, Xinran
Wang, Xinlan
Zhao, Qianru
Zhang, Yicheng
Wang, Xiaofeng
Abstract
The present application relates to a multiphase reactor. The multiphase reactor comprises: a reactor housing in which a reaction cavity is formed, wherein the reactor housing is provided with a second material inlet pipe and first material inlet pipes communicated with the reaction cavity, and the first material inlet pipes are used for conveying a first material to the reaction cavity; a gas distributor located in the reaction cavity, wherein the second material inlet pipe is communicated with the gas distributor, and a second material conveyed by the second material inlet pipe is conveyed to the reaction cavity by means of the gas distributor; and flow guide cylinders located in the reaction cavity, wherein a plurality of ventilation parts are arranged on each flow guide cylinder in the circumferential direction of the reactor housing, and the flow guide cylinders are used for axial drainage and radial cutting in the reaction cavity. The present application solves the technical problems that the reaction efficiency is affected and the material consumption is increased due to uneven distribution of a temperature field and a reaction field in multiphase reactors.
B01J 19/24 - Stationary reactors without moving elements inside
B01J 10/00 - Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particlesApparatus specially adapted therefor
B01J 4/00 - Feed devicesFeed or outlet control devices
Provided in the present invention is a method for preparing medium- and high-viscosity lubricant base oils. The method comprises: reacting α-olefins in a first polymerization reaction kettle in the presence of a first metallocene catalysis system, and then feeding same into a second polymerization reaction kettle for a reaction in the presence of a second metallocene catalysis system, so as to obtain medium- and high-viscosity lubricant base oils, wherein a main catalyst used in the first polymerization reaction kettle is a bridged metallocene catalyst, and a main catalyst used in the second polymerization reaction kettle is a constrained geometry metallocene catalyst. In the present invention, by using different catalysts in the two reaction kettles, the product yield is improved, and medium- and high-viscosity mPAO products with narrow molecular weight distribution are synthesized.
C08F 4/64 - Titanium, zirconium, hafnium, or compounds thereof
C10G 50/02 - Production of liquid hydrocarbon mixtures from lower carbon number hydrocarbons, e.g. by oligomerisation of hydrocarbon oils for lubricating purposes
89.
METHOD AND APPARATUS FOR RAPID ANALYSIS OF MOLECULAR COMPONENTS OF NAPHTHA
A method and apparatus for the rapid analysis of the molecular components of naphtha. The method comprises: receiving scanning spectrum data of target naphtha (S201); using a calibration spectrogram data set to calibrate the scanning spectrum data, wherein the calibration spectrogram data set is obtained by means of scanning a plurality of naphtha samples under preset detection conditions by using a plurality of spectrometers, and the scanning spectrum data is obtained by means of scanning the target naphtha on the basis of a first scanner among the plurality of spectrometers (S202); and performing, from a preset naphtha molecular composition library, matching to obtain a molecular composition corresponding to the calibrated scanning spectrum data, and obtaining predicted molecular properties of the target naphtha on the basis of the molecular composition, so as to determine macroscopic properties of the target naphtha, wherein the naphtha molecular composition library is obtained by using comprehensive two-dimensional gas chromatography technology (S203). The analysis of fraction molecular components of naphtha fractions and the characterization of macroscopic physical properties of petroleum fractions can be accurately and efficiently implemented.
G01N 21/359 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
PETROCHINA SHENZHEN NEW ENERGY RESEARCH INSTITUTE (China)
PETROCHINA COMPANY LIMITED (China)
Inventor
Zou, Caineng
Yang, Zheng
Pan, Songqi
Jing, Yifu
Deng, Chen
Huang, Penghui
Zhao, Yuanzhu
Abstract
Disclosed are a battery preparation method and a battery. The preparation method comprises: applying an electrode slurry on a mold rod to form an anode film layer, and performing a first-stage sintering treatment on the anode film layer to obtain a hydrogen electrode; covering the hydrogen electrode with an electrolyte slurry to form an electrolyte layer, and performing a second-stage sintering treatment on the electrolyte layer to obtain an electrolyte membrane layer; applying an electrode slurry on the electrolyte membrane layer to form a cathode film layer, and performing a third-stage sintering treatment on the cathode film layer to obtain an oxygen electrode, wherein the anode film layer, the electrolyte layer and the cathode film layer are stacked, and the anode film layer and the cathode film layer are separated by the electrolyte layer; and cutting and sealing both ends of the oxygen electrode to obtain a battery.
H01M 8/124 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte
H01M 8/1286 - Fuel cells applied on a support, e.g. miniature fuel cells deposited on silica supports
91.
CLASTIC ROCK RESERVOIR POROSITY PREDICTION METHOD, AND APPARATUS
The present application relates to the technical field of oil and gas exploration. Disclosed are a clastic rock reservoir porosity prediction method, and an apparatus. The method comprises: acquiring temperature evolution data and pressure evolution data of a layer to be predicted; according to the temperature evolution data, establishing a first function model of the temperature of said layer evolving over the burial time; according to the pressure evolution data, establishing a second function model of the pressure of said layer evolving over the burial time; according to the first function model, determining a time-temperature index; according to the second function model, determining a time-pressure index, the time-pressure index reflecting the rule of fluid overpressure changing over time; inputting the time-temperature index, the time-pressure index and an original porosity before burial of said layer into a pre-established prediction model, so as to output a current porosity of said layer, the prediction model reflecting the association relationship between the time-temperature index, the time-pressure index, the original porosity and the current porosity. The present application can improve the precision of porosity prediction for clastic rock reservoirs.
G06F 30/28 - Design optimisation, verification or simulation using fluid dynamics, e.g. using Navier-Stokes equations or computational fluid dynamics [CFD]
92.
DESORBENT FOR REDUCING DAMAGE CAUSED BY FRACTURING FLUID, AND PREPARATION METHOD THEREFOR
A desorbent for reducing damage caused by fracturing fluid, and a preparation method therefor. The desorbent is a stably dispersed nano-scale emulsion, and on the basis of the total mass of the desorbent being 100%, the desorbent comprises: 1-4% of a sacrificial agent, 3-8% of an enhancer, 12-28% of a surfactant, 5-10% of a dispersion solvent, the remainder being water. The sacrificial agent is nanosilicon dioxide having a surface modified by a quaternary ammonium salt cationic surfactant, and the mass ratio of the quaternary ammonium salt cationic surfactant to the nanosilicon dioxide is 0.01-0.2:1. The desorbent is used as an additive of the fracturing fluid and is injected into the stratum along with the fracturing fluid, such that the construction is simple, the costs are low, the seepage capability of fractures and matrixes can be improved by reducing adsorption, finally, the objectives of enhancing fracturing-based exploitation and improving the gas yield are achieved, and additionally, the damage caused by the fracturing fluid can be reduced.
The present invention belongs to the technical field of multiphase flow measurement. Provided are a multiphase flow phase holdup measurement method, system and apparatus. The multiphase flow phase holdup measurement method comprises: acquiring a flow velocity of a fluid in a flowing state and a real-time liquid-phase water content of the fluid and liquid-phase oil content of the fluid; on the basis of preset scale information, the flow velocity, and the real-time liquid-phase water content of the fluid, calculating a multiphase flow gas volume content, the preset scale information comprising a magnetization vector of a pure oil fluid, a magnetization vector of a pure water fluid, a longitudinal relaxation time of the pure oil fluid and a longitudinal relaxation time of the pure water fluid; and, on the basis of the multiphase flow gas volume content and the real-time liquid-phase water content of the fluid and liquid-phase oil content of the fluid, obtaining a multiphase flow phase holdup measurement result. The present invention achieves real-time measurement of the phase holdup of oil, gas and water phases in a fluid and thus satisfies the requirement for real-time online measurement of the flow quantity of each phase of a fluid for an oil well, and also improves the accuracy of multiphase flow phase holdup measurement.
G01N 24/08 - Investigating or analysing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
G01F 1/56 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
G01F 25/10 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
94.
SCREENING METHOD AND APPARATUS FOR OIL AND GAS METERING AND ASSAY, AND DEVICE AND STORAGE MEDIUM
The present invention belongs to the technical field of oil and gas metering and assay. Provided are a screening method and apparatus for oil and gas metering and assay, and a device and a storage medium. The method comprises: in a preset oil and gas scenario, determining an oil well phase state, an oil well working condition and an oil well parameter item; constructing an objective function on the basis of the oil well parameter item and a pre-selected test scheme set, wherein the oil well parameter item and the pre-selected test scheme set serve as input parameters of the objective function, and the pre-selected test scheme set comprises at least one assay scheme and at least one metering scheme; constructing a screening constraint condition on the basis of the oil well phase state and the oil well working condition; and optimizing the objective function on the basis of a preset objective optimization algorithm and the screening constraint condition, so as to obtain an optimization result, wherein the optimization result comprises an optimal assay scheme and an optimal metering scheme. The present invention effectively assists with the fine management and digital transformation of an oil and gas well, and reduces the metering cost of the oil and gas well.
Provided is a method for preparing a composite microbial oil-displacement system having the dual functions of produced water treatment and oil displacement. The preparation method comprises: mixing composite microorganisms with oil-containing produced water, performing an expanding culture, and then bringing the expanded material into contact with an oil reservoir to be subjected to oil displacement, wherein the composite microorganisms comprise Candida viswanathii with a deposit number of CGMCC No. 3456, Bacillus subtilis with a deposit number of CGMCC No. 21860, and Pseudomonas aeruginosa with a deposit number of CGMCC No. 23170. The composite microorganisms can significantly reduce interfacial tension and have a good oil displacement effect.
PETROCHINA SHENZHEN NEW ENERGY RESEARCH INSTITUTE (China)
PETROCHINA COMPANY LIMITED (China)
Inventor
Wang, Hangzhou
Cheng, Fupeng
Wang, Jianqiang
Cui, Tiancheng
Jing, Yifu
Deng, Chen
Huang, Penghui
Abstract
The present invention relates to an electrolyte layer preparation method, an electrolyte layer, a fuel cell, and a battery assembly. The electrolyte layer preparation method comprises: mixing sodium chloride, potassium chloride and lithium chloride, to obtain a molten salt solvent; mixing zirconium nitrate and yttrium oxide, to obtain a reaction reagent; mixing the molten salt solvent and the reaction reagent, to obtain a spray powder; mixing the spray powder and a first solution to obtain an electrolyte suspension, the first solution at least comprising an organic solvent and an inorganic solvent, the spray powder being suspended in the organic solvent, and the spray powder and the inorganic solvent being mutually dispersed; according to a first preset temperature, spraying the electrolyte suspension onto a support body, so as to form a target electrolyte layer on the support body.
H01M 8/124 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
H01M 8/1253 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing zirconium oxide
97.
MAGNETIC-FIELD-ASSISTED PREPARATION OF COPPER-NICKEL-IRON ALLOY ELECTRODE, ELECTRODE, AND ELECTROLYSIS DEVICE
PETROCHINA SHENZHEN NEW ENERGY RESEARCH INSTITUTE (China)
PETROCHINA COMPANY LIMITED (China)
Inventor
Wang, Hangzhou
Wang, Jianqiang
Zhang, Linjuan
Zhang, Hao
Pan, Songqi
Deng, Chen
Li, Hailong
Abstract
Provided in the present invention are the magnetic-field-assisted preparation of a copper-nickel-iron alloy electrode, an electrode, and an electrolysis device. A method for the magnetic-field-assisted preparation of a copper-nickel-iron alloy electrode comprises: preparing an electrodeposition solution, inserting a three-electrode system into the electrodeposition solution, depositing a copper-nickel-iron alloy on a cathode by means of an electrodeposition reaction with the assistance of a magnetic field, and then separating the copper-nickel-iron alloy from the three-electrode system, so as to obtain a copper-nickel-iron alloy electrode. In the present invention, a magnetic field is introduced for assistance, and the microstructure of the copper-nickel-iron alloy electrode is jointly controlled by means of the intensity of the magnetic field and the time for electrodeposition so as to obtain a dendritic Cu-Ni-Fe alloy electrode having a high specific surface area, thereby increasing reaction active sites of same during the process of an electrocatalytic reaction.
The present invention relates to the field of oilfield development, and in particular, to a surfactant, a preparation method therefor and a use thereof. The structural formula of the surfactant is: [formula 1], wherein R is selected from linear or branched alkyl groups, n is an integer from 1 to 8, and m is an integer from 1 to 10. The surfactant provided by the present invention increases the solubility of traditional long-chain alkyl amido betaine, can reduce the difficulty in liquid preparation during oilfield application construction, and is more conducive to stripping reservoir crude oil and improving the ability to block a high-permeability water channel. When the surfactant provided by the present invention is applied to oil displacement in an oilfield, the oil displacement efficiency can be increased by more than 18% compared with water flooding.
C07C 309/14 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton
C07C 303/32 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of salts of sulfonic acids
C07C 59/01 - Saturated compounds having only one carboxyl group and containing hydroxy or O-metal groups
C07C 59/125 - Saturated compounds having only one carboxyl group and containing ether groups, groups, groups, or groups
C07C 235/10 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by nitrogen atoms not being part of nitro or nitroso groups
C09K 23/24 - Amides of higher fatty acids with aminoalkylated sulfonic acids
C09K 23/42 - Ethers, e.g. polyglycol ethers of alcohols or phenols
C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
99.
LOW-ENERGY CONSUMPTION SYSTEM AND METHOD FOR STAGED TREATMENT OF FRACTURING FLOWBACK
A low-energy consumption system and method for staged treatment of fracturing flowback. The system comprises a flowback recycling system, a softening pretreatment system, a membrane concentration system, and a solar evaporation crystallization system, connected in sequence. The membrane concentration system comprises a primary reverse osmosis unit, a secondary reverse osmosis unit, an electrodialysis unit, and an ammonia, nitrogen and boron adsorption unit. The solar evaporation crystallization system comprises a preheating circulation tank, a solar heater, a flash tank, an evaporation tank, a heat exchanger, and a thickener, the solar heater being used to circulate and preheat an electrodialysis concentrated solution in the preheating circulation tank, a liquid outlet of the preheating circulation tank being in communication with an inlet of the flash tank, a liquid phase outlet of the flash tank being connected to an inlet of the evaporation tank via the heat exchanger, a liquid phase outlet of the evaporation tank being in communication with the thickener, and a gas phase outlet of the flash tank and a gas phase outlet of the evaporation tank each being connected to a liquid inlet of the ammonia, nitrogen and boron adsorption unit by pipelines via the heat exchanger. The present invention can remove pollutants from fracturing flowback fluid in stages with low energy consumption.
The present application relates to the technical field of oil field development, in particular to a horizontal well liquid production profile measurement method based on a magnetic resonance multiphase flowmeter. An inlet end of a magnetic resonance multiphase flowmeter is connected to an oil outlet end of a coiled tubing by means of a well control device at a wellhead, an outlet end of the magnetic resonance multiphase flowmeter is connected to an external transportation pipe, and an oil inlet end of the coiled tubing is arranged at a target interval of a horizontal well. The method comprises: using the magnetic resonance multiphase flowmeter to obtain the flow velocity of a produced liquid of the target interval; using the magnetic resonance multiphase flowmeter to obtain the phase holdup of the produced liquid of the target interval; on the basis of the flow velocity and the phase holdup of the produced liquid and the tubing diameter of the coiled tubing, calculating the fluid output of the target interval; repeating the described steps until measurement of the fluid output of all intervals of the horizontal well is completed; and matching the fluid output of each interval of the horizontal well with a measurement depth, so as to draw a liquid production profile of the horizontal well. The method can be used for solving the problems of current production logging technologies such as high cost, unstable accuracy and impact on production efficiency.
