Inventor · disambiguated record
Kaihe Lv
Also filed as: LV KAIHE
22 granted patents·3 pending applications·42 citations·filing 2017–2025
92Inventor score
Files withUNIV CHINA PETROLEUM EAST CHINA23CHINA UNIVESITY OF PETROLEUM EAST CHINA1UNIV CHINA PETROLEUM BEIJING1
Top patents by PatentIndex Score
25 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
- 0295US10876034B1Modified silicon dioxide material of fluorocarbon active agent type super-amphiphobic cutting-carrying agent suitable for water-based drilling fluid and preparation method thereofUNIV CHINA PETROLEUM BEIJING·Filed 2020·Granted Dec 29, 2020·3 cites·7 claims
- 0393US11421140B2High-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
- 0493US9683160B1Composition comprising a nanometer film structured reservoir protecting agent and a water block preventing agent, and drilling fluid containing the same and use thereof for drilling in low-permeability reservoirsUNIV CHINA PETROLEUM EAST CHINA·Filed 2017·Granted Jun 20, 2017·5 cites·18 claims
- 0592US12264279B1High-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
- 0692US9771509B1Polymer elastic particle reservoir protecting agent and drilling fluid containing the sameUNIV CHINA PETROLEUM EAST CHINA·Filed 2017·Granted Sep 26, 2017·6 cites·20 claims
- 0791US12269985B1High 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
- 0891US10647902B1Temporary plugging agent for drilling fluid and preparation method thereof, and water-based drilling fluid and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted May 12, 2020·14 cites·17 claims
- 0988US11578250B1Cementitious 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
- 1083US9701884B1Nanometer film structured reservoir protecting agent, drilling fluid containing the same and use thereof in low-permeability reservoirsUNIV CHINA PETROLEUM EAST CHINA·Filed 2017·Granted Jul 11, 2017·1 cites·5 claims
- 1182US12215274B1Resin slurry plugging system suitable for fractured-vuggy formation and preparation and use thereofCHINA UNIVESITY OF PETROLEUM EAST CHINA·Filed 2024·Granted Feb 4, 2025·1 cites·5 claims
- 1276US12384953B1Strongly 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
- 1368US2023017294A1Flocculating 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
- 1467US12378458B1Phase 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
- 1567US12043742B2Oil-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
- 1666US12509620B1Polycarboxylate 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
- 1764US12110449B1Bio-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
- 1863US2025034039A1Anti-strength-retrogression cementing system with excellent pumpability performance and preparation method thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2024·Application pending·0 cites
- 1962US11807802B2Nano-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
- 2062US11384275B2High 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
- 2157US11970655B2High 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
- 2253US10392552B2Water-based drilling fluid for protecting fractured reservoirs, and preparation method and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2017·Granted Aug 27, 2019·0 cites·20 claims
- 2351US10040984B1Water-based drilling fluid for protecting high-permeability reservoirs, and preparation method and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2017·Granted Aug 7, 2018·0 cites·15 claims
- 2450US11072738B2Environment-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
- 2539US2018118993A1Reservoir protecting agent composition for reservoir with cracks, drilling fluid containing the same and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →