Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10550687 | Methods for analyzing formation tester pretest data | Soraya S. Betancourt | 2020-02-04 |
| 6075611 | Methods and apparatus utilizing a derivative of a fluorescene signal for measuring the characteristics of a multiphase fluid flow in a hydrocarbon well | Xu Wu, Oliver C. Mullins, Richard Gaylor, Rogerio Tadeu Ramos, Kenneth E. Stephenson | 2000-06-13 |
| 5661237 | Method and apparatus for locally measuring flow parameters of a multiphase fluid | Francois Hecquet, Fadhel Rezgui, Eric Veignat | 1997-08-26 |
| 5463549 | Method and apparatus for determining permeability of subsurface formations | Francois M. Auzerais, Barbara Anderson | 1995-10-31 |
| 5335542 | Integrated permeability measurement and resistivity imaging tool | T. Ramakrishnan, David Rossi, Yogesh S. Dave, William F. Murphy, Richard A. Plumb +4 more | 1994-08-09 |
| 5279153 | Apparatus for determining horizontal and/or vertical permeability of an earth formation | Francois M. Auzerais, William E. Kenyon | 1994-01-18 |
| 5265015 | Determining horizontal and/or vertical permeability of an earth formation | Francois M. Auzerais | 1993-11-23 |
| 4890487 | Method for determining horizontal and/or vertical permeability of a subsurface earth formation | Yogeshwar Sharma | 1990-01-02 |