Assignee
UNIV CHINA PETROLEUM EAST CHINA
CN·209 granted patents·56 pending applications·951 citations·filing 2014–2025
Top patents by PatentIndex Score
265 records- 0197US11472999B1Water-based gel-consolidation type lost circulation material system suitable for fractured lost circulation formation, preparation method and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2021·Granted Oct 18, 2022·5 cites·9 claims
- 0297US9598936B1Apparatus and method for monitoring hydrate decomposition area under different drilling and production processesUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Mar 21, 2017·67 cites·9 claims
- 0397US9594038B1Device and method for measuring supercritical carbon dioxide fracturing fluid throttling coefficient under different viscositiesUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Mar 14, 2017·27 cites·5 claims
- 0496US10434551B1Method for improving saline-alkaline soil by using biomass rapid pyrolysis productUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Oct 8, 2019·31 cites·5 claims
- 0595US11346200B2Method and system for guaranteeing safety of offshore oil well control equipmentUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted May 31, 2022·104 cites·7 claims
- 0695US11243509B2Method for assessing safety integrity level of offshore oil well control equipmentUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Feb 8, 2022·115 cites·3 claims
- 0795US10989019B2Fully-electrically driven downhole safety valveUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Apr 27, 2021·145 cites·5 claims
- 0895US10759987B1Composite temperature resistance gel plugging agent, preparation method thereof and use thereof in profile control and water plugging of ultra-deepth reservoirUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Sep 1, 2020·13 cites·20 claims
- 0995US10745281B1Composition for multi-component composite intercalation, method of preparing a low-temperature expandable graphite system and method of profile control and water shutoff in deep oil reservoirUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Aug 18, 2020·4 cites·20 claims
- 1095US10487265B1Method for pyrolysis treatment of oily sludge and environment-friendly renovation of the residue thereof with humic acid substanceUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Nov 26, 2019·17 cites·13 claims
- 1195US10337267B1Control method and control device for drilling operationsUNIV CHINA PETROLEUM EAST CHINA·Filed 2018·Granted Jul 2, 2019·14 cites·10 claims
- 1294US11912932B1Encapsulated polymer flooding method and system for enhancing oil recoveryUNIV CHINA PETROLEUM EAST CHINA·Filed 2023·Granted Feb 27, 2024·5 cites·7 claims
- 1394US11203922B1Method and equipment for optimizing hydraulic parameters of deepwater managed pressure drilling in real timeUNIV CHINA PETROLEUM EAST CHINA·Filed 2021·Granted Dec 21, 2021·24 cites·8 claims
- 1494US10969514B1Method for correcting permeability model of porous medium in dissociation process of gas hydrate, and method and system for determining permeability of hydrate-bearing porous mediumUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Apr 6, 2021·10 cites·9 claims
- 1594US10815778B1Method for obtaining formation parameters of gas hydrate reservoir through well testing interpretationUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Oct 27, 2020·47 cites·6 claims
- 1694US10457612B1Slag bacterial fertilizer and preparation method thereof and method for improving degraded soilUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Oct 29, 2019·9 cites·13 claims
- 1794US10344576B1Method used for exploiting natural gas hydrate reservoirUNIV CHINA PETROLEUM EAST CHINA·Filed 2018·Granted Jul 9, 2019·15 cites·6 claims
- 1893US11954417B1Method for predicting permeability of multi-mineral phase digital core based on deep learningUNIV CHINA PETROLEUM EAST CHINA·Filed 2023·Granted Apr 9, 2024·9 cites·8 claims
- 1993US11421140B2High-temperature resistant, high-strength, and thixotropic gel plugging agent and its preparation method and applicationUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Aug 23, 2022·2 cites·12 claims
- 2093US10982137B1Fluorescent dispersed particle gel, fluorescent gel and fluorescent modified polyacrylamide composite and preparation method and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Apr 20, 2021·2 cites·8 claims
- 2193US10456817B1Environment-friendly and in situ immobilized method of renovating heavy metal contaminated soil with humic acid substanceUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Oct 29, 2019·20 cites·10 claims
- 2293US10266753B1Modified nano-graphite particle three-phase foam profile control and flooding system and preparation method thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2018·Granted Apr 23, 2019·14 cites·6 claims
- 2393US9683160B1Composition comprising a nanometer film structured reservoir protecting agent and a water block preventing agent, and drilling fluid containing the same and use thereof for drilling in low-permeability reservoirsUNIV CHINA PETROLEUM EAST CHINA·Filed 2017·Granted Jun 20, 2017·5 cites·18 claims
- 2493US9612187B1Experimental apparatus for studying gas invasion and migration mechanism in oil and gas wellboresUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Apr 4, 2017·34 cites·9 claims
- 2592US12475423B1Intelligent operation and maintenance optimization method and intelligent production optimization method for offshore oil subsea production system (SPS), and systemUNIV CHINA PETROLEUM EAST CHINA·Filed 2025·Granted Nov 18, 2025·2 cites·21 claims
- 2692US12264279B1High-temperature and high-salt resistant hyperbranched lubricant for water-based drilling fluid, and preparation and application thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2024·Granted Apr 1, 2025·2 cites·9 claims
- 2792US11630228B1Physical embedded deep learning formation pressure prediction method, device, medium and equipmentUNIV CHINA PETROLEUM EAST CHINA·Filed 2022·Granted Apr 18, 2023·15 cites·11 claims
- 2892US10934612B2Preparation method and application of the multicomponent composite sulfides lubricant filmUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Mar 2, 2021·2 cites·6 claims
- 2992US9771509B1Polymer elastic particle reservoir protecting agent and drilling fluid containing the sameUNIV CHINA PETROLEUM EAST CHINA·Filed 2017·Granted Sep 26, 2017·6 cites·20 claims
- 3092US9624420B1Foam stabilizer composition, foamed cement slurry and additive composition thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Apr 18, 2017·8 cites·20 claims
- 3191US12269985B1High density environmentally friendly polymer water-based drilling fluid with resistance to 240° C. and saturated salts, preparation method therefor and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2024·Granted Apr 8, 2025·2 cites·18 claims
- 3291US11427748B2Mussel bionic gel composition, self-repairing gel, profile control and water plugging agent, method for preparing self-repairing gel, and useUNIV CHINA PETROLEUM EAST CHINA·Filed 2021·Granted Aug 30, 2022·1 cites·20 claims
- 3391US10830107B2Natural gas combined power generation process with zero carbon emissionUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Nov 10, 2020·6 cites·11 claims
- 3491US10655048B1Oil well cement settlement stabilizer for high-temperature cementing of oil and gas wells and preparation method thereof, and cement slurryUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted May 19, 2020·8 cites·16 claims
- 3591US10647902B1Temporary plugging agent for drilling fluid and preparation method thereof, and water-based drilling fluid and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted May 12, 2020·14 cites·17 claims
- 3691US10487266B1Polygeneration method of biomass downflow circulation bed millisecond pyrolysis liquefaction-gasification couplingUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Nov 26, 2019·9 cites·8 claims
- 3791US9631454B1Wellbore pressure control system and method for offshore well cementation stagesUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Apr 25, 2017·14 cites·11 claims
- 3891US9605499B1Subsea wellhead pressure indicating and automatic adjusting device for deep-water dual-gradient drillingUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Mar 28, 2017·12 cites·8 claims
- 3990US12436139B1Grading evaluation method and system for high-maturity gas source rock based on hydrocarbon generation and expulsion simulationUNIV CHINA PETROLEUM EAST CHINA·Filed 2024·Granted Oct 7, 2025·2 cites·12 claims
- 4090US12332398B1Pore pressure prediction method and system for fine-grained hybrid sedimentary rock based on variable p-wave velocityUNIV CHINA PETROLEUM EAST CHINA·Filed 2024·Granted Jun 17, 2025·2 cites·5 claims
- 4190US11873447B1Superhydrophobic nanoparticals and preparation method therefor, and superhydrophobic nanofluidUNIV CHINA PETROLEUM EAST CHINA·Filed 2023·Granted Jan 16, 2024·1 cites·13 claims
- 4290US10307721B2Reaction-regeneration device and process for alkane dehydrogenation to alkeneUNIV CHINA PETROLEUM EAST CHINA·Filed 2018·Granted Jun 4, 2019·4 cites·17 claims
- 4390US10267129B1Homocentric squares-shaped well structure for marine hydrate reserve recovery utilizing geothermal heat and method thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2018·Granted Apr 23, 2019·12 cites·12 claims
- 4489US11781428B1Permeability evaluation method for hydrate-bearing sedimentUNIV CHINA PETROLEUM EAST CHINA·Filed 2023·Granted Oct 10, 2023·6 cites·11 claims
- 4589US10899982B2Integrated coal gasification combined power generation process with zero carbon emissionUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Jan 26, 2021·6 cites·14 claims
- 4689US9631444B1Kick information identification apparatus and method assisted for wellbore pressure control during horizontal drillingUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Apr 25, 2017·9 cites·12 claims
- 4788US12195670B1Mussel biomimetic heat-resistant and salt-tolerant thickener, preparation method therefor, and gel fracturing fluid, preparation method and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2024·Granted Jan 14, 2025·1 cites·3 claims
- 4888US11709286B1Method, system, and device for full-waveform inversion deghosting of marine variable depth streamer data acquisitionUNIV CHINA PETROLEUM EAST CHINA·Filed 2022·Granted Jul 25, 2023·2 cites·16 claims
- 4988US11578250B1Cementitious plugging wall solidifer for water-based drilling fluid, and a preparation method thereof and a water-based drilling fluidUNIV CHINA PETROLEUM EAST CHINA·Filed 2022·Granted Feb 14, 2023·1 cites·10 claims
- 5088US10816531B1Method for calculating daily gas production rate of methane hydrate deposit based on inflow performance relationship formulasUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Oct 27, 2020·3 cites·11 claims
Showing the top 50 of 265 patent records by PatentIndex Score.
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