Yan Cheng
11Patents
1h-index
32Co-inventors
50Inventor score
Filing activity: Apr 27, 2010 → Mar 15, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US11162010B2 | Nanometer plugging water-based drilling fluid and preparation method and use thereof | Chemistry; Metallurgy | 1 | Active |
| US10336932B1 | Micro-nano composite plugging agent for drilling fluid and preparation method thereof, and drilling fluid and use thereof | Chemistry; Metallurgy | 1 | Active |
| US10487255B1 | Expandable plugging agent and preparation method thereof, micro-capsule plugging agent, water-based drilling fluid, and use thereof | Emerging Cross-Sectional Technologies | 1 | Active |
| US10829679B1 | Micro-nanometer plugging anti-collapse drilling fluid and preparation method and use thereof | Chemistry; Metallurgy | 1 | Active |
| US10989576B1 | Method and system for obtaining micro-nano level fracture model and evaluating plugging performance of drilling fluid | Physics | 1 | Active |
| US10829681B1 | Modified nano-silica plugging agent, water-based drilling fluid, and preparation method and use thereof | Chemistry; Metallurgy | 0 | Active |
| US11225594B1 | Drilling fluid for enhancing stratum pressure bearing capacity and preparation method and method of using thereof | Chemistry; Metallurgy | 0 | Active |
| US10865337B1 | Multi-functional weighting agent for drilling fluid and preparation method thereof, and water-based drilling fluid and use thereof | Chemistry; Metallurgy | 0 | Active |
| US12319663B2 | Alkene-containing amide compound and application thereof | Chemistry; Metallurgy | 0 | Active |
| US10533122B1 | Strong plugging drilling fluid composition and preparation method thereof, and use thereof | Chemistry; Metallurgy | 0 | Active |
| US8455532B2 | Pyrazolyl acrylonitrile compounds and uses thereof | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.