Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8003581 | Iron control agent | Ricky N. Beard, Richard J. Dyer | 2011-08-23 |
| 6060435 | Solubilized and regenerating iron reducing additive | Ricky N. Beard | 2000-05-09 |
| 5447198 | Low temperature well cementing compositions and methods | Robert A. Kunzi, Patty L. Totten, Bobby G. Brake | 1995-09-05 |
| 5445221 | Controlling ferric ions while acidizing subterranean formations | — | 1995-08-29 |
| 5346550 | Low temperature well cementing compositions and methods | Robert A. Kunzi, Patty L. Totten, Bobby G. Brake | 1994-09-13 |
| 5281270 | Retarded acid soluble well cement compositions and methods | Patty L. Totten, Bobby G. Brake | 1994-01-25 |
| 5220960 | Retarded acid soluble well cement compositions and methods | Patty L. Totten, Bobby G. Brake | 1993-06-22 |
| 5168928 | Preparation and use of gelable silicate solutions in oil field applications | Dralen T. Terry | 1992-12-08 |
| 5127473 | Repair of microannuli and cement sheath | Kirk L. Harris, Daniel L. Bour, David Ewert, Richard R. Gerke | 1992-07-07 |
| 5125455 | Primary cementing | Kirk L. Harris, Daniel L. Bour, Patrick T. Brunette, Philip C. Freyaldenhoven, Lindsey Lee | 1992-06-30 |
| 5123487 | Repairing leaks in casings | Kirk L. Harris, Daniel L. Bour, David Ewert, Barry Ekstrand | 1992-06-23 |
| 4997487 | High temperature set retarded well cement compositions and methods | Lance E. Brothers, Daniel L. Bour | 1991-03-05 |
| 4842073 | Fluid additive and method for treatment of subterranean formations | Ronald E. Himes | 1989-06-27 |
| 4828726 | Stabilizing clayey formations | Ronald E. Himes | 1989-05-09 |
| 4691558 | Pressure pulse gelation test apparatus and method | William H. Smith | 1987-09-08 |
| 4640361 | Thermally responsive aqueous silicate mixtures and use thereof | William H. Smith | 1987-02-03 |
| 4617132 | Method of altering the permeability of a hydrocarbon-containing subterranean formation | Dwyann Dalrymple | 1986-10-14 |