Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9038726 | Light well intervention umbilical and flying lead management system and related methods | David S. Christie, Michael John Marr, Steven Salman | 2015-05-26 |
| 8657012 | Efficient open water riser deployment | Stephen P. Fenton, Stewart Christie, Robert N. Lee | 2014-02-25 |
| 7044227 | Subsea well injection and monitoring system | Charles E. Jennings | 2006-05-16 |
| 6871708 | Cuttings injection and annulus remediation systems for wellheads | Amin Radi | 2005-03-29 |
| 6520253 | Rotating drilling head system with static seals | — | 2003-02-18 |
| 6457529 | Apparatus and method for returning drilling fluid from a subsea wellbore | Ready Johnson, John E. Nelson | 2002-10-01 |
| 6102125 | Coiled tubing workover riser | — | 2000-08-15 |
| 5240076 | Casing tension retainer | Stephen A. Cromar, Eric R. Schwelm, Garry Stephen, Norman Brammer | 1993-08-31 |
| 4819967 | Conductor tieback connector | Stephen A. Cromar | 1989-04-11 |