Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439313 | Downhole machining of well completion equipment | James M. Costley, Randolph J. Sheffield, David Milton Eslinger, Marc Allcorn, Mark Callister Oettli | 2002-08-27 |
| 6431271 | Apparatus comprising bistable structures and methods for their use in oil and gas wells | Zheng Rong Xu, Jeffrey Beckel | 2002-08-13 |
| 6354373 | Expandable tubing for a well bore hole and method of expanding | Claude Vercaemer, Robert M. Sorem | 2002-03-12 |