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2024
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Invention
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Methods for evaluating production potential for volume fraturing of shale oil reservoirs and dete... |
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Invention
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Projection-based embedded discrete fracture model using hybrid of two-point flux approximation an... |
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2023
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Invention
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Method and device for preparing artificial core for petroleum geological exploration.
The presen... |
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Invention
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Method for in-situ reservoir blockage removal and reservoir oil displacement using microorganisms... |
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Invention
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Quaternary ammonium salt and preparation method and use thereof as inhibitor, and water-based dri... |
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Invention
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Polyaspartic acid derivative and preparation method and use thereof as lubricant, and water-based... |
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Invention
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Asphalt-like material and preparation method and use thereof as plugging agent, and water-based d... |
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2022
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Invention
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Method for significantly improving the online access speed of matlab web app.
A method for signi... |
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Invention
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Method for reducing pressure and increasing injection by continuous operation system of biologica... |
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Invention
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Two-stroke pumping method and oil production device.
The present disclosure provides a two-strok... |
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Invention
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Downhole displacement impact method and impact drilling tool. A downhole displacement impact meth... |
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Invention
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Combined catalytic viscosity reducing system and a use of the combined system. 4Cl, and 3%-10% of... |
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Invention
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Thickening carbon dioxide displacement visual analog device.
The invention discloses a kind of t... |
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Invention
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Catalyst composition, a process for preparing the catalyst composition, and a use of the catalyst... |
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Invention
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2 dry fracturing fluid and preparation method therefor. 222 dry fracturing fluid. |
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Invention
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Device and method for diagnosing the risk of insufficient hole cleaning problem.
The present dis... |
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2021
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Invention
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Iron-reducing tessaraccocus oleiagri strain dh10 and applications thereof.
An iron-reducing Tess... |
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Invention
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Intelligent quantitative microscopic identification system and intelligent identification method ... |
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Invention
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Ph-sensitive temporary plugging agent, preparation method thereof, and use thereof in exploitatio... |
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Invention
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Temperature-responsive self-degradable temporary plugging agent and preparation method thereof as... |
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Invention
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Device for evaluating damage of fracturing fluid to reservoir and operation method thereof. Discl... |
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Invention
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Catalyst composition, preparation method therefor and use thereof. A catalyst composition, a prep... |
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Invention
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Combined catalytic viscosity reducer and application thereof. 244Cl, and 3-10% of an acid initiat... |
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Invention
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Apparatus and method for testing dynamic sealability of fluid in the downhole minor leaks. A meth... |
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Invention
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Device for calibrating oil-water two-phase flow sensor. Disclosed is device for calibrating oil-w... |
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Invention
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Automatic rheological parameter measuring system and use method for flowing drilling fluid with h... |
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Invention
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Profile control and oil displacement agent for oil reservoir and preparation method thereof. The ... |
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Invention
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Double-response self-degradable temporary plugging agent and preparation method thereof. Disclose... |
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Invention
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Brevibacillus agri, preparation thereof, method for preparing surfactant and use thereof. Breviba... |
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Invention
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Multi-point geostatistical prestack inversion method based on renewal probability ratio constant ... |
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Invention
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Directional well trajectory control method based on drill pipe drive. Disclosed is a directional ... |
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Invention
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Biochemical viscosity reducer for heavy oil and preparation method thereof. Brevibacillus borstel... |
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Invention
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Drillable adaptive turbine guide shoe. Disclosed is a drillable adaptive turbine guide shoe, incl... |
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Invention
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Method, medium, terminal and device for evaluating layered water injection efficiency of oil rese... |
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Invention
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Enhanced oil recovery method with single well huff and puff and inter-segment oil displacement af... |
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2020
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Invention
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Subculture breeding method for thorn-free zanthoxylum bungeanum maxim tissue culture seedlings. T... |
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Invention
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Multipoint geostatistical pre-stack inversion method based on updated theory of permanence of pro... |
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Invention
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Dolomite reservoir prediction method and system based on well and seismic combination, and storag... |
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Invention
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Carboxymethyl inulin graft polymer scale and corrosion inhibitor and preparation method thereof. ... |
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Invention
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Direction-of-arrival estimation and mutual coupling calibration method and system with arbitrary ... |
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Invention
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Three-dimensional cage-like hyperbranched monomer, and preparation method and application thereof... |
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2019
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Invention
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Method and device for identifying microfacies of limestone shoal.
Embodiments of the present inv... |
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Invention
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Modified circular ring turbine. Disclosed is a modified circular ring turbine. The modified circu... |
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Invention
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Temperature-resistant and anti-collapse multi-branched polymer fluid loss reducer and preparation... |
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Invention
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Offshore oscillation water column power generation ship. The present invention relates to the tec... |
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Invention
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Sulfur- and phosphorus-free extreme pressure lubricant and preparation method and application the... |
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Invention
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Composition for preparing anti-wear lubricant for drilling fluid and preparation method of anti-w... |
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Invention
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Mud circulation system for reducing the swab pressure while tripping out. The invention provides ... |
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Invention
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Three-dimensional hydraulic oscillator. A three-dimensional hydraulic oscillator includes an uppe... |
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2018
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Invention
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Multi-stage fracturing sliding sleeve. A multi-stage fracturing sliding sleeve is provided, which... |
