Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346550 | Low temperature well cementing compositions and methods | Robert A. Kunzi, Edward F. Vinson, Bobby G. Brake | 1994-09-13 |
| 5327968 | Utilizing drilling fluid in well cementing operations | David D. Onan, Dralen T. Terry, Bobby G. Brake, Bobby J. King | 1994-07-12 |
| 5298069 | Acid removable low density well cement compositions and methods | Bobby J. King | 1994-03-29 |
| 5295543 | Converting drilling fluids to cementitious compositions | Dralen T. Terry, David D. Onan, Bobby J. King | 1994-03-22 |
| 5281270 | Retarded acid soluble well cement compositions and methods | Bobby G. Brake, Edward F. Vinson | 1994-01-25 |