Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438495 | Method for predicting the directional tendency of a drilling assembly in real-time | Minh Trang Chau, William Lesso, Dominic Patrick Joseph McCann | 2002-08-20 |
| 6427125 | Hydraulic calibration of equivalent density | Kais Gzara | 2002-07-30 |
| 6401838 | Method for detecting stuck pipe or poor hole cleaning | — | 2002-06-11 |
| 6378363 | Method for obtaining leak-off test and formation integrity test profiles from limited downhole pressure measurements | Jean-Michel Hache, Kais Gzara | 2002-04-30 |
| 6220087 | Method for determining equivalent static mud density during a connection using downhole pressure measurements | Jean-Michel Hache, Kais Gzara, Mark Hutchinson | 2001-04-24 |
| 6058771 | Determination of fluid influx or efflux | Ashley Bernard Johnson | 2000-05-09 |