Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074749 | Earth removal member with features for facilitating drill-through | Eric M. Twardowski, Guy F. Feasey, Scott Beattie, Sharp Okorie Ugwuocha | 2011-12-13 |
| 8066069 | Method and apparatus for wellbore construction and completion | Richard L. Giroux, Gregory G. Galloway, David J. Brunnert, Patrick Maguire, Tuong Thanh Le +5 more | 2011-11-29 |
| 8042616 | Apparatus and methods for drilling a wellbore using casing | Richard L. Giroux, Gregory G. Galloway, Tuong Thanh Le, Raymond H. Jackson, Gregory R. Nazzal +8 more | 2011-10-25 |
| 7938201 | Deep water drilling with casing | Richard L. Giroux, Doug Reid, Gregory G. Galloway, Mark J. Murray | 2011-05-10 |
| 7874352 | Apparatus for gripping a tubular on a drilling rig | Richard L. Giroux, Tuong Thanh Le, Gary Thompson, Karsten Heidecke, Joerg Lorenz +3 more | 2011-01-25 |