He Shi
4Patents
1h-index
30Co-inventors
40Inventor score
Filing activity: Apr 17, 2017 → Mar 16, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9790415B1 | Modified silicon dioxide nano-particles and preparation method thereof, and drilling fluid suitable for shale gas wells | Chemistry; Metallurgy | 5 | Active |
| US10889742B1 | Modified polyhistidine suitable for being used as a supramolecular shale inhibitor, method of preparing the same and its application in water-based drilling fluids | Chemistry; Metallurgy | 0 | Active |
| US11578251B2 | Amphiphilic block polymer ultralow-permeability agent and intelligent temporary plugging type water-based drilling fluid | Chemistry; Metallurgy | 0 | Active |
| US11136488B1 | Biodiesel-based constant rheological property drilling fluid containing intelligent temperature responsive polymer | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.