Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5082069 | Combination drivepipe/casing and installation method for offshore well | Nancy J. Seiler, Junius D. Allen, James Jackson | 1992-01-21 |
| 4995763 | Offshore well system and method | R. Mark Patteson | 1991-02-26 |
| 4733732 | Submudline drivepipe whipstock method and apparatus | — | 1988-03-29 |