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2024
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Invention
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Surfactant composition and fatty alcohol copolymer, preparation method therefor, and use thereof.... |
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Invention
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Drag and torque reducing tool having self-stabilizing disc valve type hydraulic pulse sub. A drag... |
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Invention
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Anticorrosive oil and anticorrosive material, and preparation methods therefor and use thereof. T... |
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Invention
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Method and apparatus for determining gas content of deep coalbed methane reservoir, and readable ... |
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Invention
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Bending and expansion experiment apparatus for expandable tubular. A bending and expansion experi... |
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Invention
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Method and apparatus for determining scanning matrix. The present application discloses a method ... |
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Invention
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Method for producing methane through conversion of carbon in crude oil by microorganisms in oil r... |
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Invention
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Y/zsm-5 composite molecular sieve, preparation method therefor, and fcc catalyst. Provided are a ... |
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Invention
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Y/zsm-5 composite molecular sieve and preparation method therefor, and catalytic cracking catalys... |
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Invention
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Method for evaluating reservoir scaling during water flooding, and application and device thereof... |
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Invention
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Copolymer and preparation method therefor, and fracturing fluid. 123455 is selected from an alkyl... |
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Invention
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Dual-hydraulic multifunctional tool capable of continuous plugging and drilling, and method. A du... |
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Invention
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Molten salt heating direct-flow type wet saturated steam generation system. A molten salt heating... |
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Invention
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Polymer microsphere profile control and water shutoff agent, preparation method therefor and use ... |
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Invention
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Polymer, preparation method therefor, retarder, and oil well cement slurry. The present invention... |
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Invention
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Hydraulic pulse tool, pipe column tool string, and combined hydraulic perforation and fracturing ... |
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Invention
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Carbon dioxide working solution and preparation method therefor, and drainage gas recovery method... |
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Invention
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Method and system for evaluating number of opened perforation clusters. The present invention bel... |
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Invention
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Methods of delaying the dissolution rate of dissolvable rubbers. The patent application discloses... |
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Invention
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Method and apparatus for acquiring geological formation biogenic reef information, and storage me... |
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Invention
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Azimuthal anisotropic first-arrival ray tracing method and apparatus, and device and medium. An a... |
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Invention
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Method and apparatus for establishing interval velocity model of gypsum rock-salt rock interbeds,... |
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2023
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Invention
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Process system and process method for treating hydrogen sulfide-containing acid gas. 22 in the ta... |
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Invention
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2 corrosion self-healing intelligent material, and preparation method therefor and use thereof. 2... |
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Invention
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Composite remote laser fire cutting device. A composite remote laser fire cutting device, compris... |
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Invention
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Downhole monitoring system, method and apparatus. A downhole monitoring system, comprising: a dow... |
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Invention
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Slim-hole coiled tubing tractor and crawling movement method. Disclosed are a slim-hole coiled tu... |
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Invention
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Downhole press drive reciprocating plunger pump for gas drilling. A downhole press drive reciproc... |
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Invention
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Catalyst and preparation method therefor, and preparation method for 1,4-cyclohexanedimethanol. A... |
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Invention
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Frequency expansion method and apparatus based on fast sparse inversion, and readable storage med... |
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Invention
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Automatic horizon tracking method and apparatus and readable storage medium. An automatic horizon... |
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Invention
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Data-driven direction signal deconvolution method and apparatus, and readable storage medium. The... |
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Invention
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Free-surface multiple prediction method and apparatus for converted wave, and device and medium. ... |
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Invention
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Seismic evaluation method and apparatus for fault stability. The embodiments of the present inven... |
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Invention
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Surface-reinforced high-temperature alloy for underground coal gasification downhole tool and pre... |
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Invention
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Method and apparatus for detecting ground surface position of optical fiber splicing point, devic... |
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Invention
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Integrated sensor, logging system, and method for determining formation drilling parameter. An in... |
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Invention
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Method and apparatus for constructing forward geophysical parameter model, and device and medium.... |
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Invention
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Impedance-characterization-based tool and method for monitoring formation water influx while dril... |
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Invention
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Method and apparatus for depicting fracture structure, storage medium, and processor. A method fo... |
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Invention
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Method and device for seismic data low-frequency recovery constrained by reflection structure. A ... |
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Invention
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A fast nondestructive method to evaluate the curative system of rubber goods. The patent applicat... |
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Invention
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Molded articles of modified polyglycolic acid for degradable downhole tools application. The pate... |
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Invention
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Molded articles of modified polyglycolic acid for degradable downhole tools application.
The pat... |
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Invention
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Fast nondestructive method to evaluate the curative system of rubber goods.
The patent applicati... |
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Invention
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Boronized corrosion resistant alloy component for high pressure and high temperature oilfield app... |
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Invention
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Frac plug device for high expansion at the setting position. The frac plug device (10) is a wedge... |
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Invention
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Methods of delaying the dissolution rate of dissolvable rubbers.
The patent application disclose... |
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2022
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Invention
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Method and apparatus for improving das signal-to-noise ratio by means of local fk transform.
A m... |
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2007
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P/S
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Solidified gases for industrial purposes, namely, carbonic acid gas and sulphurous acid gas; acid... |
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P/S
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Solidified gases for industrial purposes; acids; salts for
industrial purposes; benzene-based ac... |
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P/S
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Solidified gases for industrial purposes; acids, namely, formic acid and boric acid; salts for in... |
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2006
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P/S
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Solidified gases for industrial purposes; acids; salts for industrial purposes; benzene-based aci... |
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2005
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P/S
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Antifreezing fluid; starting fluid for vehicles; fuel-saving preparations; solidified gases for i... |
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P/S
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Vehicle greasing; vehicle filling stations. Transport by pipeline; storage of liquefied gas. Prod... |
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P/S
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Antifreezing fluid; starting fluid for vehicles;
fuel-saving preparations; solidified gases for ... |
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P/S
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Solidified gases for industrial purposes, namely, carbonic acid gas, sulphurous acid gas; Acids, ... |
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P/S
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Solidified gases for industrial purposes, namely carbonic acid gas, sulphurous acid gas; Acids, n... |
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P/S
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Solidified gases for industrial purposes, namely, carbonic acid gas, sulfurous acid gas; Acids, n... |
