Issued Patents 2003
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640903 | Forming a wellbore casing while simultaneously drilling a wellbore | David Paul Brisco, R. Bruce Stewart, Lev Ring, Robert Donald Mack, Alan B. Duell +1 more | 2003-11-04 |
| 6634431 | Isolation of subterranean zones | Kevin Waddell, Lev Ring, David Paul Brisco | 2003-10-21 |
| 6631759 | Apparatus for radially expanding a tubular member | David Paul Brisco, Lev Ring, Michael Bullock | 2003-10-14 |
| 6631760 | Tie back liner for a well system | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack | 2003-10-14 |
| 6631769 | Method of operating an apparatus for radially expanding a tubular member | David Paul Brisco, Lev Ring, Michael Bullock | 2003-10-14 |
| 6604763 | Expandable connector | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack +2 more | 2003-08-12 |
| 6575240 | System and method for driving pipe | Richard Carl Haut | 2003-06-10 |
| 6568471 | Liner hanger | David Paul Brisco, Lev Ring, Michael Bullock | 2003-05-27 |
| 6561227 | Wellbore casing | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack | 2003-05-13 |
| 6557640 | Lubrication and self-cleaning system for expansion mandrel | David Paul Brisco, R. Bruce Stewart, Reece E. Wyant, Lev Ring, James J. W. Nahm +4 more | 2003-05-06 |