Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976541 | Liner hanger with sliding sleeve valve | David Paul Brisco, Edwin Zwald, Chan Daigle, Gregory Marshall Noel, William J. Dean +6 more | 2005-12-20 |
| 6968618 | Expandable connector | Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut +2 more | 2005-11-29 |
| 6892819 | Forming a wellbore casing while simultaneously drilling a wellbore | Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Lev Ring, Alan B. Duell | 2005-05-17 |
| 6860420 | Method of joining metal oilfield tubulars and well provided therewith | Peter Oosterling | 2005-03-01 |