Assignee
CHINA UNIV OF PETROLEUM (BEIJING)
CN·47 granted patents·5 pending applications·125 citations·filing 2015–2025
Top patents by PatentIndex Score
52 records- 0196US9410071B1Oil-based viscosifier of drilling fluid and the preparation method thereofCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2015·Granted Aug 9, 2016·19 cites·14 claims
- 0294US9790415B1Modified silicon dioxide nano-particles and preparation method thereof, and drilling fluid suitable for shale gas wellsCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2017·Granted Oct 17, 2017·22 cites·20 claims
- 0394US9783725B1Drilling fluid additive composition and water-based drilling fluid suitable for horizontal shale gas wellsCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2017·Granted Oct 10, 2017·14 cites·19 claims
- 0492US9528042B1Drilling fluid additive composition and super high temperature super high density clay-free oil-in-water drilling fluidCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2016·Granted Dec 27, 2016·12 cites·20 claims
- 0591US10961830B1Waterless foam generator for fracturing shale oil and gas reservoirs and use thereofCHINA UNIV OF PETROLEUM—BEIJING·Filed 2020·Granted Mar 30, 2021·5 cites·6 claims
- 0691US9745501B1Additive composition suitable for viscosity reduction of oil-based drilling fluid, oil-based drilling fluid and use thereofCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2017·Granted Aug 29, 2017·8 cites·15 claims
- 0791US9399692B1Amphiphilic reservoir protecting agent and preparation method thereof and drilling fluidCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2015·Granted Jul 26, 2016·15 cites·11 claims
- 0890US9783726B1Environment-friendly water-based drilling fluid applicable to horizontal shale gas wellsCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2017·Granted Oct 10, 2017·6 cites·20 claims
- 0990US9481822B1Drilling fluid additive composition and high temperature resistant clay-free whole-oil-based drilling fluidCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2016·Granted Nov 1, 2016·6 cites·19 claims
- 1088US10767428B2Device and method for simulating formation respiration effectCHINA UNIV OF PETROLEUM—BEIJING·Filed 2019·Granted Sep 8, 2020·4 cites·10 claims
- 1186US10822242B2ZSM-35 molecular sieve and preparation method thereofCHINA UNIV OF PETROLEUM—BEIJING·Filed 2019·Granted Nov 3, 2020·2 cites·16 claims
- 1282US10876397B2Experimental device for simulating invasion of shallow fluid into wellboreCHINA UNIV OF PETROLEUM—BEIJING·Filed 2019·Granted Dec 29, 2020·4 cites·9 claims
- 1379US12130221B1Infinitely expandable modular visual device for simulation of flow in porous mediaCHINA UNIV OF PETROLEUM—BEIJING·Filed 2024·Granted Oct 29, 2024·1 cites·19 claims
- 1478US9790417B1High-density water-based drilling fluid suitable for horizontal shale gas wellsCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2017·Granted Oct 17, 2017·2 cites·20 claims
- 1575US10934467B2Foam fracturing fluid with double interface layers of a phlogisticated air-liquid CO2 for shale gas production and preparation method thereofCHINA UNIV OF PETROLEUM—BEIJING·Filed 2020·Granted Mar 2, 2021·1 cites·11 claims
- 1673US2026070861A1Preparation method of aromatic hydrocarbon oligomerCHINA UNIV OF PETROLEUM—BEIJING·Filed 2025·Application pending·0 cites
- 1772US9834717B1Drilling fluid additive composition and pseudo oil-based drilling fluid suitable for horizontal shale gas wellsCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2017·Granted Dec 5, 2017·1 cites·19 claims
- 1871US10266778B2Method for upgrading fluid catalytic cracking gasolineCHINA UNIV OF PETROLEUM—BEIJING·Filed 2015·Granted Apr 23, 2019·1 cites·13 claims
- 1970US11214728B2Modified MoS2 nano material, and preparation method and use thereofCHINA UNIV OF PETROLEUM—BEIJING·Filed 2018·Granted Jan 4, 2022·1 cites·10 claims
- 2069US9663730B2Method for the conversion of asphaltenes to light fractionsCHINA UNIV OF PETROLEUM—BEIJING·Filed 2015·Granted May 30, 2017·1 cites·9 claims
- 2168US12157804B2Environment-friendly reinforced foam for underground hydrogen storage and preparation method thereofCHINA UNIV OF PETROLEUM—BEIJING·Filed 2023·Granted Dec 3, 2024·0 cites·12 claims
- 2265US12305490B1Method of nano-armored foam reinforced geological storage of carbon dioxideCHINA UNIV OF PETROLEUM—BEIJING·Filed 2024·Granted May 20, 2025·0 cites·20 claims
- 2363US12441622B2Modified titanium dioxide nanomaterial and preparation method and application thereofCHINA UNIV OF PETROLEUM—BEIJING·Filed 2024·Granted Oct 14, 2025·0 cites·12 claims
- 2460US2026009306A1Highly-sealed retrievable anchoring packerCHINA UNIV OF PETROLEUM—BEIJING·Filed 2025·Application pending·0 cites
- 2558US9410067B2Biomimetic polymer for stabilizing wellbore and method for preparation of the same and drilling fluidCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2015·Granted Aug 9, 2016·0 cites·3 claims
- 2657US2025326965A1Amphiphilic titanium dioxide nanomaterial and its preparation method and applicationCHINA UNIV OF PETROLEUM—BEIJING·Filed 2024·Application pending·0 cites
- 2756US9410068B2Method for preparation of biomimetic polymer for stabilizing wellbore and drilling fluidCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2015·Granted Aug 9, 2016·0 cites·7 claims
- 2854US12305106B2Aqueous carbon dioxide foam stabilized by organic Janus nanosheets and preparation method and application thereofCHINA UNIV OF PETROLEUM—BEIJING·Filed 2023·Granted May 20, 2025·0 cites·4 claims
- 2953US2026063822A1Model training method and stratigraphic division conclusion extraction methodCHINA UNIV OF PETROLEUM—BEIJING·Filed 2025·Application pending·0 cites
- 3052US10822913B2Energy-gathered bundle type nesting plugging and wall reinforcing device and application thereof in karst cave pluggingCHINA UNIV OF PETROLEUM—BEIJING·Filed 2019·Granted Nov 3, 2020·0 cites·14 claims
- 3151US12595725B2Oil displacement method for an ultra-high water-cut reservoirCHINA UNIV OF PETROLEUM BEIJING·Filed 2024·Granted Apr 7, 2026·0 cites·20 claims
- 3251US12485432B2Cyclone separator and cyclone separation methodCHINA UNIV OF PETROLEUM—BEIJING·Filed 2023·Granted Dec 2, 2025·0 cites·5 claims
- 3350US11591865B1Method, device and system of vibration reduction control on installation of deepwater drilling riserCHINA UNIV OF PETROLEUM—BEIJING·Filed 2022·Granted Feb 28, 2023·0 cites·9 claims
- 3449US10801302B2Inner start-up tool of conduit bearing capacity reinforcing deviceCHINA UNIV OF PETROLEUM—BEIJING·Filed 2019·Granted Oct 13, 2020·0 cites·8 claims
- 3548US12487226B2Method and apparatus for evaluating volumes of discharged hydrocarbon and externally charged hydrocarbon in mud shaleCHINA UNIV OF PETROLEUM—BEIJING·Filed 2022·Granted Dec 2, 2025·0 cites·12 claims
- 3648US10941623B2Apparatus and method for cleaning rock debris when deep-water surface drilling is doneCHINA UNIV OF PETROLEUM—BEIJING·Filed 2019·Granted Mar 9, 2021·0 cites·9 claims
- 3748US9969922B2Degradable materials for oil and gas field operations and their synthesis methodCHINA UNIV OF PETROLEUM—BEIJING·Filed 2016·Granted May 15, 2018·0 cites·15 claims
- 3847US11370978B2Method and apparatus for integrating pressurized hydrocracking of heavy oil and coke gasificationCHINA UNIV OF PETROLEUM—BEIJING·Filed 2020·Granted Jun 28, 2022·0 cites·14 claims
- 3947US11097263B2Aromatization catalyst, preparation method, regeneration method thereof, and aromatization methodCHINA UNIV OF PETROLEUM—BEIJING·Filed 2019·Granted Aug 24, 2021·0 cites·5 claims
- 4047US10921480B2Downhole three-dimensional scanning magnetic resonance imaging logging instrument, and a probe, an antenna thereofCHINA UNIV OF PETROLEUM—BEIJING·Filed 2019·Granted Feb 16, 2021·0 cites·7 claims
- 4147US10816690B2Radio frequency antenna receiving method and device for a downhole three-dimensional scanning nuclear magnetic resonance imagerCHINA UNIV OF PETROLEUM—BEIJING·Filed 2019·Granted Oct 27, 2020·0 cites·10 claims
- 4246US10712249B2High-temperature, high-pressure, and low-velocity gas microtube viscosity measuring apparatus and measuring method thereofCHINA UNIV OF PETROLEUM—BEIJING·Filed 2018·Granted Jul 14, 2020·0 cites·19 claims
- 4344US11837026B1Method, apparatus, device, and storage media for early warning unsafe behavior in drilling operationCHINA UNIV OF PETROLEUM—BEIJING·Filed 2023·Granted Dec 5, 2023·0 cites·16 claims
- 4444US10550688B2Apparatus for physical simulation experiment for fracturing in horizontal well layer by layer by spiral perforation and method thereofCHINA UNIV OF PETROLEUM—BEIJING·Filed 2017·Granted Feb 4, 2020·0 cites·20 claims
- 4542US11280932B2Main control system and a device for a nuclear magnetic resonance logging while drilling toolCHINA UNIV OF PETROLEUM—BEIJING·Filed 2019·Granted Mar 22, 2022·0 cites·12 claims
- 4641US10746825B2Array antenna driving method and device for three-dimensional scanning nuclear magnetic resonance imagerCHINA UNIV OF PETROLEUM—BEIJING·Filed 2019·Granted Aug 18, 2020·0 cites·8 claims
- 4741US9528041B2Bionic drilling fluid and preparation method thereofCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2015·Granted Dec 27, 2016·0 cites·12 claims
- 4840US11203910B2Casing hanger and annulus sealing device running tool for deepwater drilling, and method for using the sameCHINA UNIV OF PETROLEUM—BEIJING·Filed 2020·Granted Dec 21, 2021·0 cites·12 claims
- 4939US9683183B2Method for deep desulfurization of gasolineCHINA UNIV OF PETROLEUM—BEIJING·Filed 2015·Granted Jun 20, 2017·0 cites·14 claims
- 5037US2016230063A1Bionic shale inhibitor and preparation method thereof and drilling fluidCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2015·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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