Inventor · disambiguated record
Jiafeng Jin
Also filed as: JIN JIAFENG
14 granted patents·1 pending application·12 citations·filing 2020–2025
85Inventor score
Files withUNIV CHINA PETROLEUM EAST CHINA15
Top patents by PatentIndex Score
15 records- 0197US11472999B1Water-based gel-consolidation type lost circulation material system suitable for fractured lost circulation formation, preparation method and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2021·Granted Oct 18, 2022·5 cites·9 claims
- 0293US11421140B2High-temperature resistant, high-strength, and thixotropic gel plugging agent and its preparation method and applicationUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Aug 23, 2022·2 cites·12 claims
- 0392US12264279B1High-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
- 0491US12269985B1High 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
- 0588US11578250B1Cementitious plugging wall solidifer for water-based drilling fluid, and a preparation method thereof and a water-based drilling fluidUNIV CHINA PETROLEUM EAST CHINA·Filed 2022·Granted Feb 14, 2023·1 cites·10 claims
- 0676US12384953B1Strongly 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
- 0768US2023017294A1Flocculating agent for removing oil-based drilling fluid rock cuttings and preparation method and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2022·Application pending·0 cites
- 0867US12378458B1Phase change microcapsule for drilling fluid cooling and its preparation method and applicationUNIV CHINA PETROLEUM EAST CHINA·Filed 2024·Granted Aug 5, 2025·0 cites·7 claims
- 0967US12043742B2Oil-soluble thermosensitive resin lost circulation material for protecting a reservoir as well as preparation method and application thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2022·Granted Jul 23, 2024·0 cites·7 claims
- 1066US12509620B1Polycarboxylate 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
- 1164US12110449B1Bio-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
- 1262US11807802B2Nano-organosilicon film-forming and hydrophobic shale surface hydration inhibitor and its preparation method and applicationUNIV CHINA PETROLEUM EAST CHINA·Filed 2022·Granted Nov 7, 2023·0 cites·9 claims
- 1362US11384275B2High temperature-resistant and high oil-absorption resin particle plugging agent suitable for oil-based drilling fluid and its preparation methodUNIV CHINA PETROLEUM EAST CHINA·Filed 2021·Granted Jul 12, 2022·0 cites·14 claims
- 1457US11970655B2High 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
- 1550US11072738B2Environment-friendly high-temperature resistant water-based drilling fluid plugging anti-sloughing agent, preparation method thereof and the water-based drilling fluidUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Jul 27, 2021·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →