Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355954 | Utilizing drilling fluid in well cementing operations | David D. Onan, Dralen T. Terry | 1994-10-18 |
| 5346550 | Low temperature well cementing compositions and methods | Robert A. Kunzi, Edward F. Vinson, Patty L. Totten | 1994-09-13 |
| 5340860 | Low fluid loss cement compositions, fluid loss reducing additives and methods | Jiten Chatterji | 1994-08-23 |
| 5327968 | Utilizing drilling fluid in well cementing operations | David D. Onan, Dralen T. Terry, Patty L. Totten, Bobby J. King | 1994-07-12 |
| 5281270 | Retarded acid soluble well cement compositions and methods | Patty L. Totten, Edward F. Vinson | 1994-01-25 |