Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7549474 | Servicing a wellbore with an aqueous based fluid comprising a clay inhibitor | Rob Valenziano, Mark Dixon | 2009-06-23 |
| 5339902 | Well cementing using permeable cement | Robert B. Carpenter, Ronald E. Himes, E. Dwyann Dalrymple, Jeffrey A. Dahl, Bruce D. Thomas | 1994-08-23 |
| 5127473 | Repair of microannuli and cement sheath | Edward F. Vinson, Daniel L. Bour, David Ewert, Richard R. Gerke | 1992-07-07 |
| 5125455 | Primary cementing | Edward F. Vinson, Daniel L. Bour, Patrick T. Brunette, Philip C. Freyaldenhoven, Lindsey Lee | 1992-06-30 |
| 5123487 | Repairing leaks in casings | Edward F. Vinson, Daniel L. Bour, David Ewert, Barry Ekstrand | 1992-06-23 |
| 5086850 | Well bore drilling direction changing method | Clyde Cook | 1992-02-11 |