Inventor · disambiguated record
Jienian Yan
Also filed as: YAN JIENIAN
3 granted patents·25 citations·filing 2017–2017
64Inventor score
Technology areasC09K
Files withCHINA UNIV OF PETROLEUM (BEIJING)3
Top patents by PatentIndex Score
3 records- 0194US9790415B1Modified silicon dioxide nano-particles and preparation method thereof, and drilling fluid suitable for shale gas wellsCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2017·Granted Oct 17, 2017·22 cites·20 claims
- 0278US9790417B1High-density water-based drilling fluid suitable for horizontal shale gas wellsCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2017·Granted Oct 17, 2017·2 cites·20 claims
- 0372US9834717B1Drilling fluid additive composition and pseudo oil-based drilling fluid suitable for horizontal shale gas wellsCHINA UNIV OF PETROLEUM (BEIJING)·Filed 2017·Granted Dec 5, 2017·1 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →