Assignee
CHINA PETROLEUM & CHEM CORP
CN·456 granted patents·208 pending applications·257 citations·filing 2012–2025
Top patents by PatentIndex Score
664 records- 0194US11906692B2Nuclear logging tools and applications thereofCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted Feb 20, 2024·2 cites·14 claims
- 0293US9657236B2Process for hydrotreating heavy raw oilsCHINA PETROLEUM & CHEM CORP·Filed 2013·Granted May 23, 2017·28 cites·19 claims
- 0392US11644591B1Computer-implemented method and system for obtaining a subsurface stack image, subsurface angle gathers, and a subsurface velocity model, over an entire survey region having high velocity contrast geo-bodiesCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted May 9, 2023·2 cites·3 claims
- 0492US11474277B2Acquiring formation porosity using multiple dual-function detectors and neural networkCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted Oct 18, 2022·2 cites·17 claims
- 0592US10723675B2Process for making xylenes and phenol from coal derived liquidsCHINA PETROLEUM & CHEM CORP·Filed 2019·Granted Jul 28, 2020·3 cites·20 claims
- 0691US11733421B2Method for obtaining near-wellbore true borehole sigma and true formation sigma by using a nuclear logging tool during oil and gas explorationCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted Aug 22, 2023·2 cites·21 claims
- 0791US11703611B2Computer-implemented method of using a non-transitory computer readable memory device with a pre programmed neural network and a trained neural network computer program product for obtaining a true borehole sigma and a true formation sigmaCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted Jul 18, 2023·2 cites·8 claims
- 0891US11493658B2Computer-implemented method and system employing nonlinear direct prestack seismic inversion for poisson impedanceCHINA PETROLEUM & CHEM CORP·Filed 2019·Granted Nov 8, 2022·6 cites·16 claims
- 0990US10774617B2Downhole drilling systemCHINA PETROLEUM & CHEM CORP·Filed 2018·Granted Sep 15, 2020·6 cites·7 claims
- 1089US9988505B2Polyethylene compositions and films formed therefromCHINA PETROLEUM & CHEM CORP·Filed 2015·Granted Jun 5, 2018·6 cites·48 claims
- 1189US9739141B2Data transmission system and method for transmission of downhole measurement-while-drilling data to groundCHINA PETROLEUM & CHEM CORP·Filed 2014·Granted Aug 22, 2017·34 cites·15 claims
- 1289US9512380B2Hindered phenol compound, preparation thereof and use thereof as an antioxidantCHINA PETROLEUM & CHEM CORP·Filed 2014·Granted Dec 6, 2016·6 cites·18 claims
- 1388US11926544B1Biological desulfurizer for removing organic sulfur in fracturing flowback fluid and application thereofCHINA PETROLEUM & CHEM CORP·Filed 2023·Granted Mar 12, 2024·1 cites·9 claims
- 1488US11767280B2Process for making phenol and xylenesCHINA PETROLEUM & CHEM CORP·Filed 2019·Granted Sep 26, 2023·2 cites·20 claims
- 1588US11485694B2Dealklylation and transalkylation of mixed phenols to make cresolsCHINA PETROLEUM & CHEM CORP·Filed 2019·Granted Nov 1, 2022·2 cites·19 claims
- 1688US10894247B2Fluidized-bed catalyst suitable for the production of halogenated aromatic nitriles, its preparation and application thereofCHINA PETROLEUM & CHEM CORP·Filed 2018·Granted Jan 19, 2021·4 cites·23 claims
- 1787US12320944B1Method for calibrating prestack seismic inversion using fully connected neural networksCHINA PETROLEUM & CHEM CORP·Filed 2023·Granted Jun 3, 2025·2 cites·11 claims
- 1886US11873457B2Catalytic conversion process and system for producing gasoline and propyleneCHINA PETROLEUM & CHEM CORP·Filed 2020·Granted Jan 16, 2024·2 cites·13 claims
- 1985US11933138B2Sliding sleeve deviceCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted Mar 19, 2024·2 cites·8 claims
- 2085US11474267B2Computer-implemented method and system employing compress-sensing model for migrating seismic-over-land cross-spreadsCHINA PETROLEUM & CHEM CORP·Filed 2020·Granted Oct 18, 2022·2 cites·9 claims
- 2185US11224859B2Carbon-coated transition metal nanocomposite material, preparation and application thereofCHINA PETROLEUM & CHEM CORP·Filed 2018·Granted Jan 18, 2022·9 cites·21 claims
- 2285US11001768B2Heavy oil hydrotreating system and heavy oil hydrotreating methodCHINA PETROLEUM & CHEM CORP·Filed 2016·Granted May 11, 2021·10 cites·13 claims
- 2385US10974967B2Molecular sieve SCM-15, synthesis method therefor and use thereofCHINA PETROLEUM & CHEM CORP·Filed 2017·Granted Apr 13, 2021·2 cites·16 claims
- 2485US10029966B2Method and reaction equipment for preparing dimethyl ether and olefin from methanolCHINA PETROLEUM & CHEM CORP·Filed 2016·Granted Jul 24, 2018·2 cites·7 claims
- 2584US12221537B2Microspheric ionomer having cross-linked structure, preparation method therefor, applications thereof, and preparation system thereofCHINA PETROLEUM & CHEM CORP·Filed 2024·Granted Feb 11, 2025·0 cites·22 claims
- 2684US11571673B2Fluid distributor, reaction device and application thereofCHINA PETROLEUM & CHEM CORP·Filed 2018·Granted Feb 7, 2023·2 cites·36 claims
- 2784US10662268B2Catalyst component for olefin polymerization, catalyst, and use thereofCHINA PETROLEUM & CHEM CORP·Filed 2017·Granted May 26, 2020·2 cites·24 claims
- 2884US9751960B2Catalyst component for olefin polymerization, catalyst, and use thereofCHINA PETROLEUM & CHEM CORP·Filed 2014·Granted Sep 5, 2017·5 cites·20 claims
- 2983US11097256B2Molecular sieve SCM-14, a preparation process and use thereofCHINA PETROLEUM & CHEM CORP·Filed 2017·Granted Aug 24, 2021·2 cites·16 claims
- 3083US10266625B2Olefin polymerization apparatus and olefin polymerization processCHINA PETROLEUM & CHEM CORP·Filed 2015·Granted Apr 23, 2019·3 cites·23 claims
- 3183US9932784B2Device for handling oil pipes and method for workoverCHINA PETROLEUM & CHEM CORP·Filed 2016·Granted Apr 3, 2018·8 cites·19 claims
- 3283US9656255B2Catalytic cracking catalyst having a rare earth-containing Y zeolite and a preparation process thereofCHINA PETROLEUM & CHEM CORP·Filed 2013·Granted May 23, 2017·5 cites·25 claims
- 3382US11161745B2Carbon-based porous material and preparation method and use thereofCHINA PETROLEUM & CHEM CORP·Filed 2017·Granted Nov 2, 2021·2 cites·6 claims
- 3482US10208145B2Catalyst component for olefin polymerization, and catalyst containing the sameCHINA PETROLEUM & CHEM CORP·Filed 2015·Granted Feb 19, 2019·2 cites·68 claims
- 3582US9446996B2Reactor and alkylation process using the reactorCHINA PETROLEUM & CHEM CORP·Filed 2013·Granted Sep 20, 2016·3 cites·28 claims
- 3681US10677949B2Anisotropy matching filtering for attenuation of seismic migration artifactsCHINA PETROLEUM & CHEM CORP·Filed 2018·Granted Jun 9, 2020·2 cites·3 claims
- 3781US10040032B2Complex nanofiltration membrane and the preparation thereofCHINA PETROLEUM & CHEM CORP·Filed 2015·Granted Aug 7, 2018·2 cites·21 claims
- 3880US11359486B2Mud pulser and method for operating thereofCHINA PETROLEUM & CHEM CORP·Filed 2020·Granted Jun 14, 2022·2 cites·16 claims
- 3980US10920025B2Polyolefin resin powder suitable for selective laser sintering and its preparation methodCHINA PETROLEUM & CHEM CORP·Filed 2016·Granted Feb 16, 2021·2 cites·23 claims
- 4080US10919826B2Process for the conversion of synthesis gas to isobutanolCHINA PETROLEUM & CHEM CORP·Filed 2019·Granted Feb 16, 2021·1 cites·19 claims
- 4180US10174141B2Preparation method of a catalyst component for olefin polymerizationCHINA PETROLEUM & CHEM CORP·Filed 2015·Granted Jan 8, 2019·2 cites·21 claims
- 4280US9896343B2Titanium silicalite molecular sieve and its synthesisCHINA PETROLEUM & CHEM CORP·Filed 2014·Granted Feb 20, 2018·3 cites·35 claims
- 4380US9623403B2Naphtha reforming catalyst and preparation method thereofCHINA PETROLEUM & CHEM CORP·Filed 2015·Granted Apr 18, 2017·2 cites·20 claims
- 4479US11519264B1Method for obtaining gravity coefficients for orthogonally oriented accelerometer devices during measurement-while-drilling operationsCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted Dec 6, 2022·1 cites·9 claims
- 4579US10261209B2Near-bit ultradeep measurement system for geosteering and formation evaluationCHINA PETROLEUM & CHEM CORP·Filed 2016·Granted Apr 16, 2019·3 cites·9 claims
- 4679US2025092541A1Sulfur-modified carbon material and its preparation process and applicationCHINA PETROLEUM & CHEM CORP·Filed 2023·Application pending·0 cites
- 4779US2025105308A1Sulfur-containing platinum-carbon catalyst and its preparation process and applicationCHINA PETROLEUM & CHEM CORP·Filed 2023·Application pending·0 cites
- 4878US12473387B2Copolymer of olefin and unsaturated carboxylic acid or unsaturated carboxylic acid derivativeCHINA PETROLEUM & CHEM CORP·Filed 2023·Granted Nov 18, 2025·0 cites·14 claims
- 4977US11559711B2Foam producing method, fire extinguishing method, and appliance for foam extinguishingCHINA PETROLEUM & CHEM CORP·Filed 2018·Granted Jan 24, 2023·2 cites·9 claims
- 5077US10888848B2Catalytic cracking catalyst and preparation thereofCHINA PETROLEUM & CHEM CORP·Filed 2018·Granted Jan 12, 2021·1 cites·20 claims
Showing the top 50 of 664 patent records by PatentIndex Score.
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