Assignee
UNIV CHINA PETROLEUM BEIJING
CN·92 granted patents·25 pending applications·90 citations·filing 2013–2025
Top patents by PatentIndex Score
117 records- 0195US11136488B1Biodiesel-based constant rheological property drilling fluid containing intelligent temperature responsive polymerUNIV CHINA PETROLEUM BEIJING·Filed 2021·Granted Oct 5, 2021·3 cites·20 claims
- 0295US10876034B1Modified silicon dioxide material of fluorocarbon active agent type super-amphiphobic cutting-carrying agent suitable for water-based drilling fluid and preparation method thereofUNIV CHINA PETROLEUM BEIJING·Filed 2020·Granted Dec 29, 2020·3 cites·7 claims
- 0394US10308857B1Super-amphiphobic composite material and use of the same as inhibitor, lubricant, reservoir protectant, and accelerator in water-based drilling fluidsUNIV CHINA PETROLEUM BEIJING·Filed 2019·Granted Jun 4, 2019·11 cites·18 claims
- 0494US9890318B1Drilling fluid additive composition and water-based drilling fluid suitable for high-pressure pluggingUNIV CHINA PETROLEUM BEIJING·Filed 2017·Granted Feb 13, 2018·15 cites·20 claims
- 0592US10442973B1Super-amphiphobic strongly self-cleaning high-performance water-based drilling fluid and drilling methodUNIV CHINA PETROLEUM BEIJING·Filed 2019·Granted Oct 15, 2019·9 cites·15 claims
- 0691US11136265B1Artificial sandstone and/or conglomerate core based on lithology and permeability control and preparation method and application thereofUNIV CHINA PETROLEUM BEIJING·Filed 2020·Granted Oct 5, 2021·11 cites·11 claims
- 0791US11092706B1Physical seismic simulation test apparatus and method based on reflected wave field for hydrate formationUNIV CHINA PETROLEUM BEIJING·Filed 2021·Granted Aug 17, 2021·5 cites·6 claims
- 0888US11773695B1Multi-type hydrate formation simulation system and method thereofUNIV CHINA PETROLEUM BEIJING·Filed 2023·Granted Oct 3, 2023·2 cites·10 claims
- 0987US11118057B1Attenuation material composition, attenuation material and preparation method and use thereofUNIV CHINA PETROLEUM BEIJING·Filed 2021·Granted Sep 14, 2021·1 cites·19 claims
- 1086US11326450B2Intelligent prediction method and apparatus for reservoir sensitivityUNIV CHINA PETROLEUM BEIJING·Filed 2021·Granted May 10, 2022·2 cites·18 claims
- 1186US10677947B1Horizontal fracture prediction method, device and equipmentUNIV CHINA PETROLEUM BEIJING·Filed 2019·Granted Jun 9, 2020·5 cites·12 claims
- 1285US11686190B24D quantitative and intelligent diagnosis method and system for spatio-temporal evolution of oil-gas reservoir damage types and extentUNIV CHINA PETROLEUM BEIJING·Filed 2022·Granted Jun 27, 2023·1 cites·17 claims
- 1381US10191178B2Three-dimensional nuclear magnetic resonance logging instrument probe, logging instrument and antenna excitation methodUNIV CHINA PETROLEUM BEIJING·Filed 2016·Granted Jan 29, 2019·3 cites·9 claims
- 1478US10815253B2Preparation method for zeolitic imidazolate frameworksUNIV CHINA PETROLEUM BEIJING·Filed 2019·Granted Oct 27, 2020·2 cites·8 claims
- 1577US11338264B2Fluidized bed cooler with regional coordination enhancementUNIV CHINA PETROLEUM BEIJING·Filed 2021·Granted May 24, 2022·1 cites·18 claims
- 1677US9725658B2Method of processing low-grade heavy oilUNIV CHINA PETROLEUM BEIJING·Filed 2014·Granted Aug 8, 2017·3 cites·14 claims
- 1774US11481894B1Method, apparatus and system for calculating stress parameters and computer deviceUNIV CHINA PETROLEUM BEIJING·Filed 2022·Granted Oct 25, 2022·1 cites·9 claims
- 1874US9902890B1Drilling fluid additive composition suitable for coal-bed gas wells, and water-based drilling fluid and use thereofUNIV CHINA PETROLEUM BEIJING·Filed 2017·Granted Feb 27, 2018·1 cites·19 claims
- 1973US10851317B2Method for processing an inferior gasoline and a system for processing the sameUNIV CHINA PETROLEUM BEIJING·Filed 2018·Granted Dec 1, 2020·1 cites·16 claims
- 2072US11306860B2Pipeline deformation detection pigUNIV CHINA PETROLEUM BEIJING·Filed 2020·Granted Apr 19, 2022·1 cites·10 claims
- 2172US10758921B2Separation deviceUNIV CHINA PETROLEUM BEIJING·Filed 2018·Granted Sep 1, 2020·1 cites·9 claims
- 2269US11998899B2Bifunctional catalyst for deep desulfurization and gasoline quality improvement and preparation method thereforUNIV CHINA PETROLEUM BEIJING·Filed 2021·Granted Jun 4, 2024·0 cites·13 claims
- 2369US10254434B2Nuclear magnetic resonance logging instrument probe with multi-layered magnet and antenna excitation methodUNIV CHINA PETROLEUM BEIJING·Filed 2016·Granted Apr 9, 2019·1 cites·14 claims
- 2469US2026049547A1Method and Device for Determining the Settling Rate of ProppantUNIV CHINA PETROLEUM BEIJING·Filed 2025·Application pending·0 cites
- 2568US12115522B2In situ bifunctional catalyst for deep desulfurization and increasing octane number of gasoline and preparation method thereofUNIV CHINA PETROLEUM BEIJING·Filed 2021·Granted Oct 15, 2024·0 cites·10 claims
- 2668US11360235B2Modeling method and method for diagnosing lost circulationUNIV CHINA PETROLEUM BEIJING·Filed 2019·Granted Jun 14, 2022·2 cites·12 claims
- 2767US10151852B2Multi-azimuth nuclear magnetic resonance logging instrument and antenna excitation methodUNIV CHINA PETROLEUM BEIJING·Filed 2016·Granted Dec 11, 2018·1 cites·9 claims
- 2867US2026049608A1Method and Device for Determining Pumping Rate to Improve Proppant Placement EfficiencyUNIV CHINA PETROLEUM BEIJING·Filed 2025·Application pending·0 cites
- 2966US10801943B2Apparatus and method for measuring apparent permeability of tight rock coreUNIV CHINA PETROLEUM BEIJING·Filed 2018·Granted Oct 13, 2020·2 cites·12 claims
- 3066US2025189427A1Experimental apparatus and method for simulating fracturing of fan-shaped well patternUNIV CHINA PETROLEUM BEIJING·Filed 2024·Application pending·0 cites
- 3165US11578251B2Amphiphilic block polymer ultralow-permeability agent and intelligent temporary plugging type water-based drilling fluidUNIV CHINA PETROLEUM BEIJING·Filed 2022·Granted Feb 14, 2023·0 cites·4 claims
- 3265US2024421295A1Method for preparing molybdenum based self doped lithium negative electrode material from molybdenum-containing waste catalyst, negative electrode material, and lithium-ion batteryUNIV CHINA PETROLEUM BEIJING·Filed 2024·Application pending·0 cites
- 3365US2025027184A1Method for preparing self doped titanium-niobium oxide negative electrode material using waste titanium dioxide carrier, negative electrode material, and lithium-ion batteryUNIV CHINA PETROLEUM BEIJING·Filed 2024·Application pending·0 cites
- 3464US12498307B2Continuous logging method and deviceUNIV CHINA PETROLEUM BEIJING·Filed 2023·Granted Dec 16, 2025·0 cites·12 claims
- 3564US12447432B2Switchable two-stage coalescence separation systemUNIV CHINA PETROLEUM BEIJING·Filed 2023·Granted Oct 21, 2025·0 cites·10 claims
- 3664US2024109056A1Composite ionic liquid and preparation method and use thereofUNIV CHINA PETROLEUM BEIJING·Filed 2023·Application pending·0 cites
- 3764US2025158084A1Platinum-rhenium alloy catalyst, preparation method, and fuel cellUNIV CHINA PETROLEUM BEIJING·Filed 2024·Application pending·0 cites
- 3863US2024413353A1Method for preparing modified platinum-based catalyst for fuel cell by regeneration of platinum-rhenium spent catalyst, catalysts and hydrogen fuel cellUNIV CHINA PETROLEUM BEIJING·Filed 2023·Application pending·0 cites
- 3962US12422342B2Preparation method of micro-nanofluidic model of triple-medium carbonate reservoirUNIV CHINA PETROLEUM BEIJING·Filed 2024·Granted Sep 23, 2025·0 cites·9 claims
- 4062US2026049543A1Method and Apparatus for Rock Hydraulic Fracturing under Resonant ExcitationUNIV CHINA PETROLEUM BEIJING·Filed 2025·Application pending·0 cites
- 4162US2026028893A1Method and Apparatus for Controlling Temporary Plugging Construction in Perforation BoreholesUNIV CHINA PETROLEUM BEIJING·Filed 2025·Application pending·0 cites
- 4262US2024017232A1Coupled fluidized beds reactor-regenerator apparatus for catalytic dehydrogenation of propaneUNIV CHINA PETROLEUM BEIJING·Filed 2023·Application pending·0 cites
- 4361US10634596B2Visualized supercritical carbon dioxide fracturing physical simulation test methodUNIV CHINA PETROLEUM BEIJING·Filed 2019·Granted Apr 28, 2020·1 cites·8 claims
- 4461US2023330573A1Filter capable of automatically cutting off gas flowUNIV CHINA PETROLEUM BEIJING·Filed 2023·Application pending·0 cites
- 4560US12478909B2Coalescing filter elementUNIV CHINA PETROLEUM BEIJING·Filed 2023·Granted Nov 25, 2025·0 cites·11 claims
- 4660US12123821B2Combined apparatus for experimentation on different storage modes of carbon dioxide and method thereofUNIV CHINA PETROLEUM BEIJING·Filed 2023·Granted Oct 22, 2024·0 cites·9 claims
- 4760US11634334B2Method of synthesizing an aluminosilicate molecular sieve by a crystal seed-assisted methodUNIV CHINA PETROLEUM BEIJING·Filed 2020·Granted Apr 25, 2023·0 cites·6 claims
- 4860US10266744B2Accelerator used for drilling fluids, water-based drilling fluid and usage thereofUNIV CHINA PETROLEUM BEIJING·Filed 2018·Granted Apr 23, 2019·0 cites·12 claims
- 4960US2022049148A1Amphiphilic block polymer ultralow-permeability agent and intelligent temporary plugging type water-based drilling fluidUNIV CHINA PETROLEUM BEIJING·Filed 2021·Application pending·0 cites
- 5059US12492525B2Experiment device for spudcan penetration and pullout of jack-up rigUNIV CHINA PETROLEUM BEIJING·Filed 2021·Granted Dec 9, 2025·0 cites·10 claims
Showing the top 50 of 117 patent records by PatentIndex Score.
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