Issued Patents All Time
Showing 76–100 of 131 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7129940 | Shot rendering method and apparatus | Thomas Douglas Selkirk Duff | 2006-10-31 |
| 7121352 | Isolation of subterranean zones | Kevin Waddell, Lev Ring, David Paul Brisco, Vikram Rao | 2006-10-17 |
| 7121337 | Apparatus for expanding a tubular member | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack +1 more | 2006-10-17 |
| 7108072 | 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 | 2006-09-19 |
| 7108061 | Expander for a tapered liner with a shoe | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack | 2006-09-19 |
| 7100685 | Mono-diameter wellbore casing | Lev Ring, Edwin Zwald, Andrei Gregory Filippov, Kevin Waddell | 2006-09-05 |
| 7100684 | Liner hanger with standoffs | Lev Ring | 2006-09-05 |
| 7095409 | Shot shading method and apparatus | Thomas Douglas Selkirk Duff | 2006-08-22 |
| 7086475 | Method of inserting a tubular member into a wellbore | — | 2006-08-08 |
| 7077213 | Expansion cone for radially expanding tubular members | David Paul Brisco, Lev Ring, Alan B. Duell, Andrei Gregory Filippov | 2006-07-18 |
| 7077211 | Method of creating a casing in a borehole | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack +1 more | 2006-07-18 |
| 7063142 | Method of applying an axial force to an expansion cone | David Paul Brisco, Lev Ring, Michael Bullock | 2006-06-20 |
| 7055608 | Forming a wellbore casing while simultaneously drilling a wellbore | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack +1 more | 2006-06-06 |
| 7048067 | Wellbore casing repair | David Paul Brisco, R. Bruce Stewart, Reece E. Wyant, Lev Ring, James Jang Woo Nahm +6 more | 2006-05-23 |
| 7044221 | Apparatus for coupling a tubular member to a preexisting structure | David Paul Brisco, Lev Ring, Michael Bullock | 2006-05-16 |
| 7044218 | Apparatus for radially expanding tubular members | David Paul Brisco, Lev Ring, Robert Donald Mack, Alan B. Duell, Andrei Gregory Filippov | 2006-05-16 |
| 7040396 | Apparatus for releasably coupling two elements | David Paul Brisco, Lev Ring, Michael Bullock | 2006-05-09 |
| 7036582 | Expansion cone for radially expanding tubular members | David Paul Brisco, Lev Ring, Alan B. Duell, Andrei Gregory Filippov | 2006-05-02 |
| 7021390 | Tubular liner for wellbore casing | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack | 2006-04-04 |
| 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 | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack +2 more | 2005-11-29 |
| 6966370 | Apparatus for actuating an annular piston | David Paul Brisco, Lev Ring, Michael Bullock | 2005-11-22 |
| 6892819 | Forming a wellbore casing while simultaneously drilling a wellbore | David Paul Brisco, R. Bruce Stewart, Lev Ring, Andrei Gregory Filippov, Alan B. Duell | 2005-05-17 |
| 6857473 | Method of coupling a tubular member to a preexisting structure | David Paul Brisco, Lev Ring, Michael Bullock | 2005-02-22 |
| 6823937 | Wellhead | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack | 2004-11-30 |