Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968902 | Drilling and producing deep water subsea wells | Gawain Langford, Francisco Dezen, Lars-Petter Sollie, Jarle Michaelsen, Nils Arne Soelvik | 2005-11-29 |
| 6840323 | Tubing annulus valve | Jon E. Hed, Robert N. Rogers | 2005-01-11 |
| 6742594 | Flowline jumper for subsea well | Gawain Langford, Francisco Dezen, Lars-Petter Sollie | 2004-06-01 |
| 6719059 | Plug installation system for deep water subsea wells | Francisco Dezen, Lars-Petter Sollie, Jon E. Hed | 2004-04-13 |
| 6698520 | Light-intervention subsea tree system | John H. Osborne, Rolf Nordaunet | 2004-03-02 |
| 6460621 | Light-intervention subsea tree system | John H. Osborne, Rolf Nordaunet | 2002-10-08 |
| 6367551 | Monobore riser | — | 2002-04-09 |
| 6253854 | Emergency well kill method | — | 2001-07-03 |
| 6076605 | Horizontal tree block for subsea wellhead and completion method | Robert O. Lilley, David S. Christie, Peter A. Scott, Walter J. Lacey | 2000-06-20 |
| 5331152 | Fiber optic position indicator | — | 1994-07-19 |