Issued Patents All Time
Showing 101–107 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5988277 | Running tool for static wellhead plug | Rennie L. Dickson, William R. Welch, Jayson Byrd | 1999-11-23 |
| 5957201 | Verification apparatus and method for a static wellhead plug | Rennie L. Dickson, William R. Welch, Jayson Byrd | 1999-09-28 |
| 5875851 | Static wellhead plug and associated methods of plugging wellheads | Rennie L. Dickson, William R. Welch, Jayson Byrd | 1999-03-02 |
| 5775433 | Coiled tubing pulling tool | Robert C. Hammett | 1998-07-07 |
| 5617918 | Wellbore lock system and method of use | Andrew G. Cooksey, Jim Williamson, Clark Robinson, Chris Dines | 1997-04-08 |
| 5509476 | Short wellhead plug | — | 1996-04-23 |
| 5197773 | Running and pulling tool | — | 1993-03-30 |