Egil Sunde
12Patents
8h-index
12Co-inventors
69Inventor score
Filing activity: Feb 21, 1991 → Apr 12, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5163510A | Method of microbial enhanced oil recovery | Chemistry; Metallurgy | 48 | Expired |
| US6758270B1 | Method of microbial enhanced oil recovery | Fixed Constructions | 37 | Expired |
| US5919739A | Plugging liquid for plugging a subterranean formation zone | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6546962B1 | Introduction of air into injection water | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7124817B1 | Method of treating a hydrocarbon bearing formation | Chemistry; Metallurgy | 13 | Expired |
| US6834889B2 | Torque release coupling for use in drill strings | Fixed Constructions | 10 | Expired |
| US6365053B1 | Removal of H2S in drilling mud | Fixed Constructions | 9 | Expired |
| US5717131A | Apparatus for testing a shear thickening plugging fluid | Physics | 8 | Expired |
| US6607043B1 | Down hole motors and methods for their operation | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6626240B1 | Device for annular well isolation | Fixed Constructions | 4 | Expired |
| US8826975B2 | Systems and methods of microbial enhanced oil recovery | Emerging Cross-Sectional Technologies | 2 | Active |
| US9903169B2 | Polymer gels as flow improvers in water injection systems | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.