Inventor · disambiguated record
Meichun Li
Also filed as: LI MEICHUN
7 granted patents·5 citations·filing 2018–2025
73Inventor score
Top patents by PatentIndex Score
7 records- 0192US12264279B1High-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
- 0291US12269985B1High 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
- 0376US12384953B1Strongly adsorbed hyper-branched filtrate reducer for water-based drilling fluid with resistance to 240° C. and saturated salinity, preparation method therefor and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2024·Granted Aug 12, 2025·0 cites·18 claims
- 0474US11028307B2Modified cellulose nanocrystals and their use in drilling fluidsWU QINGLIN·Filed 2018·Granted Jun 8, 2021·1 cites·9 claims
- 0566US12509620B1Polycarboxylate thinner for carbonate/bicarbonate contamination resistant water-based drilling fluid and preparation method and application thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2025·Granted Dec 30, 2025·0 cites·8 claims
- 0664US12110449B1Bio-enzyme degradable temporary plugging material and preparation method and application thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2023·Granted Oct 8, 2024·0 cites·5 claims
- 0757US11970655B2High temperature and high salinity-resistant complementarily rigid-flexible plugging agent and method for preparing the same and water-based drilling fluid and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2022·Granted Apr 30, 2024·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →