Jeff Kirsner
16Patents
13h-index
14Co-inventors
67Inventor score
Filing activity: Dec 29, 2000 → Aug 15, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7696131B2 | Diesel oil-based invert emulsion drilling fluids and methods of drilling boreholes | Chemistry; Metallurgy | 54 | Active |
| US7645723B2 | Method of drilling using invert emulsion drilling fluids | Chemistry; Metallurgy | 52 | Active |
| US6887832B2 | Method of formulating and using a drilling mud with fragile gels | Chemistry; Metallurgy | 50 | Expired |
| US7435706B2 | Thinners for invert emulsions | Chemistry; Metallurgy | 49 | Expired |
| US6620770B1 | Additive for oil-based drilling fluids | Chemistry; Metallurgy | 37 | Expired |
| US7278485B2 | Method of formulating and using a drilling mud with fragile gels | Chemistry; Metallurgy | 31 | Expired |
| US7462580B2 | Flat rheology drilling fluids | Chemistry; Metallurgy | 28 | Active |
| US7534743B2 | Invert drilling fluids and methods of drilling boreholes | Chemistry; Metallurgy | 26 | Active |
| US7008907B2 | Additive for oil-based drilling fluids | Chemistry; Metallurgy | 25 | Expired |
| US7547663B2 | Invert drilling fluids and methods of drilling boreholes | Chemistry; Metallurgy | 23 | Active |
| US7488704B2 | Invert drilling fluids for use in drilling in subterranean formations | Chemistry; Metallurgy | 20 | Active |
| US7456135B2 | Methods of drilling using flat rheology drilling fluids | Chemistry; Metallurgy | 18 | Expired |
| US7507694B2 | Surfactant-free emulsions and methods of use thereof | Chemistry; Metallurgy | 15 | Expired |
| US7485602B2 | Drilling method using isomerized olefins and paraffin hydrocarbons as base oils for invert emulsion oil muds | Chemistry; Metallurgy | 12 | Expired |
| US7638466B2 | Thinners for invert emulsions | Chemistry; Metallurgy | 7 | Expired |
| US7572755B2 | Drilling fluid comprising a vinyl neodecanoate polymer and method for enhanced suspension | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.