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2025
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Invention
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Apparatus and method for determining the static proppant-settling-velocity in fracturing fluids. ... |
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Invention
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Composition and method for improving the production of petroleum hydrocarbons.
A novel surfactan... |
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Invention
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Composite logging device. A composite logging device, which relates to the technical field of oil... |
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Invention
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Low concentration synthetic polymer fracturing fluid with ascorbic acid.
A fracturing fluid for ... |
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Invention
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Connectivity evaluation method and apparatus for rock pore channel, and server and medium. A conn... |
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Invention
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Fluoroelastomers with improved chemical resistance. Co-cured blends of fluoroelastomers of tetraf... |
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2024
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Invention
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Method and apparatus for recognizing dominant carbonate rock reservoir in complex facies zone, an... |
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Invention
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Filtering, coalescence, separation and oil removal system and separation performance monitoring m... |
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Invention
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Cage-type dual wedge throttle valve. A cage-type dual wedge throttle valve, comprising: a housing... |
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Invention
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Side storage type pipe string conveying device. A side storage type pipe string conveying device,... |
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Invention
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Fluid property measurement apparatus and fluid property online measurement method. The present di... |
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Invention
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Method for synthesizing dimethyl terephthalate. The present invention provides a method for synth... |
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Invention
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High-strength low-molecular polymer gel system, preparation method therefor and use thereof. Prov... |
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Invention
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High-temperature-resistant filtrate reducer, water-based drilling fluid and use of the high-tempe... |
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Invention
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Variable-diameter device for measuring viscous liquid and viscosity measurement method. Provided ... |
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Invention
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Wellhole full-space time-domain electromagnetic detection method and apparatus. The present appli... |
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Invention
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Method for depositing thin film on substrate and use thereof, and semiconductor device and use th... |
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Invention
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Interface engineering method for perovskite solar cell, and inverted perovskite solar cell and pr... |
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Invention
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Downhole throttling device for full-life-cycle mining and power supply method therefor. A downhol... |
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Invention
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Perforator and perforation method based on cable-free connection. Disclosed are a perforator and ... |
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Invention
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Chemically bonded lost circulation additive, composite lost circulation additive comprising same,... |
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Invention
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Self-propelled measurement device for downhole data of oil well, and self-propelled measurement m... |
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Invention
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Intelligent pressure control system and method based on multi-channel multi-mode self-optimizatio... |
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Invention
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Deviated well anisotropic formation three-dimensional induction logging data inversion method and... |
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Invention
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While-drilling acoustic auto-tracking wellbore tool and method for using same. A while-drilling a... |
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Invention
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Terahertz-based non-metal pipeline defect detection method, system and device. A terahertz-based ... |
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Invention
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Toe flap valve for internal corrosion prevention in ccus injection well tubing.
An apparatus and... |
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Invention
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Absorbent for carbon dioxide capture, and carbon dioxide capturing and absorbing method. An absor... |
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Invention
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Adsorber, adsorption system and adsorption method. The present application provides an adsorber, ... |
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Invention
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Multi-channel drill pipe having adaptively interconnected channels. A drill pipe having multiple ... |
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Invention
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Oil wellbore repair device, system, and method. An oil wellbore repair device, system and method.... |
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Invention
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Self-adaptive temporary plugging agent for plugging irregular holes, and preparation method there... |
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Invention
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Method and apparatus for time-depth conversion of concealed structure in foreland thrust belt wit... |
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Invention
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Winding device and method for initial steel wire rope winding on drawworks, and drilling rig. A w... |
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Invention
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Frequency-division compression method and apparatus for pre-stack seismic data, and device and st... |
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Invention
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Temperature and pressure responsive while-drilling plugging material, and preparation method ther... |
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Invention
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Method and apparatus for adjusting energy during pre-stack data merging, and device and storage m... |
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Invention
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Rapid dispersion and hydration device for polymer drag reducer. A rapid dispersion and hydration ... |
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Invention
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Free surface multi-wave suppression method and apparatus for ocean bottom node data. A free surfa... |
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Invention
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Illumination analysis method based on point spread function and observation system optimization m... |
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Invention
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Three-component seismic data vector anti-aliasing interpolation reconstruction method and apparat... |
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Invention
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Hydraulic control apparatus and method for a downhole tool. The present invention is a hydraulic ... |
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Invention
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Toe flap valve for internal corrosion prevention in ccus injection well tubing. An apparatus for ... |
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Invention
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High temperature dissolvable aluminum for oil and gas applications. A dissolvable aluminum alloy ... |
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Invention
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High temperature dissolvable aluminum for oil and gas applications.
A dissolvable aluminum alloy... |
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Invention
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Polycrystalline diamond composite with a toughening agent and the methods of making the same. A s... |
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Invention
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Polycrystalline diamond composite with a toughening agent and the methods of making the same.
A ... |
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2023
|
Invention
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Velocity identification method and apparatus for interbed multiples.
This disclosure discloses a... |
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2022
|
Invention
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Intelligent control method and apparatus for quick-open pressure-bearing device system.
An intel... |
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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... |
