Assignee
UNIV CHINA PETROLEUM
CN·32 granted patents·9 pending applications·95 citations·filing 2005–2024
Top patents by PatentIndex Score
41 records- 0196US9296936B1Preparation method of a wettability reversal agentUNIV CHINA PETROLEUM·Filed 2015·Granted Mar 29, 2016·12 cites·6 claims
- 0295US9353305B1Reservoir protecting agent composition, drilling fluid for middle permeability reservoirs and use thereofUNIV CHINA PETROLEUM·Filed 2015·Granted May 31, 2016·15 cites·13 claims
- 0394US9279076B1Reservoir protecting agent composition and broad-spectrum drilling liquid and use thereofUNIV CHINA PETROLEUM·Filed 2015·Granted Mar 8, 2016·10 cites·20 claims
- 0494US9267068B1Protecting agent composition for high/ultra-high permeability reservoirs and drilling fluid and use thereofUNIV CHINA PETROLEUM·Filed 2015·Granted Feb 23, 2016·13 cites·18 claims
- 0591US9365762B1Copolymer of dimer acid-organic amine and shear strength improving agent of water in oil emulsion drilling fluid and drilling fluidUNIV CHINA PETROLEUM·Filed 2015·Granted Jun 14, 2016·6 cites·18 claims
- 0688US11434437B1Method for producing chemicals from crude oil by double-tube parallel multi-zone catalytic conversionUNIV CHINA PETROLEUM·Filed 2021·Granted Sep 6, 2022·4 cites·10 claims
- 0788US11149361B1Preparation methods of high modulus carbon fiber (HMCF) and precursor (mesophase pitch (MP)) thereofUNIV CHINA PETROLEUM·Filed 2021·Granted Oct 19, 2021·2 cites·20 claims
- 0887US12128351B1Skid-mounted flue gas injection equipment and method with adjustable CO2 enrichment degreeUNIV CHINA PETROLEUM·Filed 2024·Granted Oct 29, 2024·1 cites·13 claims
- 0986US7597794B2Deep separation method and processing system for the separation of heavy oil through granulation of coupled post-extraction asphalt residueUNIV CHINA PETROLEUM·Filed 2005·Granted Oct 6, 2009·14 cites·14 claims
- 1085US9290706B2Integrated process for upgrading heavy oilUNIV CHINA PETROLEUM·Filed 2013·Granted Mar 22, 2016·8 cites·20 claims
- 1179US11542758B1Linkage test apparatus for deepwater drilling riser and hang-off systemUNIV CHINA PETROLEUM·Filed 2022·Granted Jan 3, 2023·2 cites·6 claims
- 1275US10006845B2Device for evaluating foaming property of gas-soluble surfactant and application thereofUNIV CHINA PETROLEUM·Filed 2015·Granted Jun 26, 2018·2 cites·6 claims
- 1374US12551843B1Desulfurization and denitrification agent and application thereofUNIV CHINA PETROLEUM·Filed 2024·Granted Feb 17, 2026·0 cites·9 claims
- 1474US12421439B2Dual-purpose sacrificial anti-swelling agent, preparation method and application thereofUNIV CHINA PETROLEUM·Filed 2024·Granted Sep 23, 2025·0 cites·17 claims
- 1574US10188995B2Method for preparing compound dispersoids of hydrophobic nanoparticles and surfactantsUNIV CHINA PETROLEUM·Filed 2018·Granted Jan 29, 2019·1 cites·1 claims
- 1673US11428048B2Drilling system and method of submarine drilling rigUNIV CHINA PETROLEUM·Filed 2020·Granted Aug 30, 2022·2 cites·20 claims
- 1763US9587440B2Dynamic point-the-bit rotary steerable drilling tool and measuring method thereofUNIV CHINA PETROLEUM·Filed 2015·Granted Mar 7, 2017·2 cites·10 claims
- 1858US11879817B2Ground testing device for stabilized platform of rotary steerable drilling toolUNIV CHINA PETROLEUM·Filed 2023·Granted Jan 23, 2024·0 cites·9 claims
- 1957US10202540B2Zirconium gel particle combination flooding system and preparation method thereofUNIV CHINA PETROLEUM·Filed 2014·Granted Feb 12, 2019·1 cites·1 claims
- 2054US11945995B2Temporary plugging agent and preparation method thereof, and method for temporary plugging and fracturing of high-temperature reservoirUNIV CHINA PETROLEUM·Filed 2020·Granted Apr 2, 2024·0 cites·9 claims
- 2151US2024019399A1Monitoring System Of Crack Propagation Of Underwater Structure Visual Based on Alternating Current Field, and Alternating Current Field Crack Visual Monitoring and Evaluation methodUNIV CHINA PETROLEUM·Filed 2022·Application pending·0 cites
- 2249US12098629B2Method and device for fault estimation of measurement and control device for rotary steerable drilling systemUNIV CHINA PETROLEUM·Filed 2024·Granted Sep 24, 2024·0 cites·1 claims
- 2348US12221874B2Method for increasing production and injection of reservoir coupled with flue gas desulfurization and denitrificationUNIV CHINA PETROLEUM·Filed 2022·Granted Feb 11, 2025·0 cites·12 claims
- 2447US11286425B2Method for preparing needle coke for ultra-high power (UHP) electrodes from heavy oilUNIV CHINA PETROLEUM·Filed 2020·Granted Mar 29, 2022·0 cites·8 claims
- 2547US9777210B2Inorganic fine particle reinforced foam system for oil-gas field and preparation method thereofUNIV CHINA PETROLEUM·Filed 2016·Granted Oct 3, 2017·0 cites·9 claims
- 2646US11292038B2Combined treatment method of petroleum-contaminated soilUNIV CHINA PETROLEUM·Filed 2020·Granted Apr 5, 2022·0 cites·19 claims
- 2744US11187065B2Composite nitrogen huff and puff method for bounded fault block reservoirUNIV CHINA PETROLEUM·Filed 2019·Granted Nov 30, 2021·0 cites·5 claims
- 2842US12105014B2Testing apparatus for thrust of hydrateUNIV CHINA PETROLEUM·Filed 2022·Granted Oct 1, 2024·0 cites·18 claims
- 2941US10767106B2Viscosity reduction system for microwave extraction of heavy oil and preparation method thereofUNIV CHINA PETROLEUM·Filed 2020·Granted Sep 8, 2020·0 cites·7 claims
- 3041US10071349B2Apparatus for preparing compound dispersoids of hydrophobic nanoparticles and surfactants and application thereofUNIV CHINA PETROLEUM·Filed 2015·Granted Sep 11, 2018·0 cites·7 claims
- 3141US2016185609A14a-type molecular sieve synthesis methodUNIV CHINA PETROLEUM·Filed 2013·Application pending·0 cites
- 3240US2021277778A1Method for evaluating brittleness of deep shale reservoir and computer readable storage mediumUNIV CHINA PETROLEUM·Filed 2020·Application pending·0 cites
- 3338US11078768B2Super heavy oil development method for strengthening SAGD steam chamber to break through low physical property reservoirUNIV CHINA PETROLEUM·Filed 2019·Granted Aug 3, 2021·0 cites·4 claims
- 3436US2011275874A1Reactor and method for propylene production by stratified injection of heavy oil and light olefinsUNIV CHINA PETROLEUM·Filed 2010·Application pending·0 cites
- 3536US2022224604A1Mptcp incast performance evaluation model based on a queuing networkUNIV CHINA PETROLEUM·Filed 2019·Application pending·0 cites
- 3635US11208872B2CCUS (carbon capture utilization and storage) system for exploiting thickened oil reservoirs based on optimal flue gas CO2 enrichment ratio and working method thereofUNIV CHINA PETROLEUM·Filed 2018·Granted Dec 28, 2021·0 cites·8 claims
- 3735US2022170361A1Risk assessment-based design method for deep complex formation wellbore structureUNIV CHINA PETROLEUM·Filed 2022·Application pending·0 cites
- 3834US11719081B2Method for integral profile control and plugging of water encroachment and steam channeling of heavy oil reservoir with edge and bottom waterUNIV CHINA PETROLEUM·Filed 2020·Granted Aug 8, 2023·0 cites·8 claims
- 3933US2017234111A1Device for Removing and Preventing Paraffin by Using Electric Heating Generated from Skin Effect-based Natural Gas Electricity and Application thereofUNIV CHINA PETROLEUM·Filed 2015·Application pending·0 cites
- 4032US2015261893A1Method and apparatus for determining pipeline flow status parameter of natural gas pipeline networkUNIV CHINA PETROLEUM·Filed 2015·Application pending·0 cites
- 4130US2021011194A1Risk assessment-based design method for deep complex formation wellbore structureUNIV CHINA PETROLEUM·Filed 2020·Application pending·0 cites
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