Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446719 | Methods of downhole testing subterranean formations and associated apparatus therefor | Mark A. Proett, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert, Harold W. Nivens +1 more | 2002-09-10 |
| 6446720 | Methods of downhole testing subterranean formations and associated apparatus therefor | Mark A. Proett, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert, Harold W. Nivens +1 more | 2002-09-10 |
| 6439324 | Electrically insulating gap subassembly for downhole electromagnetic transmission | Harrison C. Smith | 2002-08-27 |
| 6435282 | Annular flow safety valve and methods | Clark E. Robison | 2002-08-20 |
| 6343650 | Test, drill and pull system and method of testing and drilling a well | — | 2002-02-05 |