Inventor · disambiguated record
Yan Cheng
Also filed as: CHENG YAN · CHENG Yan Laam
11 granted patents·1 pending application·91 citations·filing 2010–2023
88Inventor score
Files withUNIV SOUTHWEST PETROLEUM9LI BIN1SHENYANG SINOCHEM AGROCHEMICALS R & D CO LTD1THE EDUCATION UNIV OF HONG KONG1
Top patents by PatentIndex Score
12 records- 0198US10829681B1Modified nano-silica plugging agent, water-based drilling fluid, and preparation method and use thereofUNIV SOUTHWEST PETROLEUM·Filed 2020·Granted Nov 10, 2020·24 cites·16 claims
- 0298US10829679B1Micro-nanometer plugging anti-collapse drilling fluid and preparation method and use thereofUNIV SOUTHWEST PETROLEUM·Filed 2020·Granted Nov 10, 2020·17 cites·17 claims
- 0397US11225594B1Drilling fluid for enhancing stratum pressure bearing capacity and preparation method and method of using thereofUNIV SOUTHWEST PETROLEUM·Filed 2021·Granted Jan 18, 2022·6 cites·16 claims
- 0497US10533122B1Strong plugging drilling fluid composition and preparation method thereof, and use thereofUNIV SOUTHWEST PETROLEUM·Filed 2019·Granted Jan 14, 2020·25 cites·16 claims
- 0594US10989576B1Method and system for obtaining micro-nano level fracture model and evaluating plugging performance of drilling fluidUNIV SOUTHWEST PETROLEUM·Filed 2020·Granted Apr 27, 2021·5 cites·11 claims
- 0694US10487255B1Expandable plugging agent and preparation method thereof, micro-capsule plugging agent, water-based drilling fluid, and use thereofUNIV SOUTHWEST PETROLEUM·Filed 2019·Granted Nov 26, 2019·9 cites·16 claims
- 0790US10336932B1Micro-nano composite plugging agent for drilling fluid and preparation method thereof, and drilling fluid and use thereofUNIV SOUTHWEST PETROLEUM·Filed 2019·Granted Jul 2, 2019·4 cites·13 claims
- 0881US11162010B2Nanometer plugging water-based drilling fluid and preparation method and use thereofUNIV SOUTHWEST PETROLEUM·Filed 2020·Granted Nov 2, 2021·1 cites·2 claims
- 0971US10865337B1Multi-functional weighting agent for drilling fluid and preparation method thereof, and water-based drilling fluid and use thereofUNIV SOUTHWEST PETROLEUM·Filed 2019·Granted Dec 15, 2020·0 cites·19 claims
- 1059US2025052735A1Method of quantifying microplastic massTHE EDUCATION UNIV OF HONG KONG·Filed 2023·Application pending·0 cites
- 1148US12319663B2Alkene-containing amide compound and application thereofSHENYANG SINOCHEM AGROCHEMICALS R & D CO LTD·Filed 2020·Granted Jun 3, 2025·0 cites·9 claims
- 1245US8455532B2Pyrazolyl acrylonitrile compounds and uses thereofLI BIN·Filed 2010·Granted Jun 4, 2013·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →