Inventor · disambiguated record
Zhengsong Qiu
Also filed as: QIU ZHENGSONG
2 granted patents·1 pending application·19 citations·filing 2016–2024
58Inventor score
Files withUNIV CHINA PETROLEUM EAST CHINA3
Top patents by PatentIndex Score
3 records- 0191US10647902B1Temporary 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
- 0282US9845421B1Encapsulating agent and preparing method thereof, and drilling fluid for petroleum drillingUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Dec 19, 2017·5 cites·18 claims
- 0368US2025223488A1Degradable lost circulation material for protection oil and gas reservoirs, and preparation method and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2024·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →