Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5851960 | Method of performing well drilling operations with a foamable drilling fluid | Bobby L. King, James E. Griffith | 1998-12-22 |
| 5795924 | Resilient well cement compositions and methods | Jiten Chatterji, Bobby J. King, David D. Onan | 1998-08-18 |
| 5716910 | Foamable drilling fluid and methods of use in well drilling operations | Bobby L. King, James E. Griffith | 1998-02-10 |
| 5711383 | Cementitious well drilling fluids and methods | Dralen T. Terry, Garland W. Davis, Bobby J. King, Jiten Chatterji, David D. Onan | 1998-01-27 |
| 5711801 | Cement compositions | Jiten Chatterji, James E. Griffith, Bobby J. King | 1998-01-27 |
| 5688844 | Resilient well cement compositions and methods | Jiten Chatterji, Bobby J. King, David D. Onan | 1997-11-18 |
| 5588489 | Lightweight well cement compositions and methods | Jiten Chatterji, James E. Griffith, Bobby J. King | 1996-12-31 |
| 5585333 | Hydrocarbon base cementitious drilling fluids and methods | Jeffrey A. Dahl, E. Dwyann Dalrymple, Alireza Rahimi | 1996-12-17 |
| 5571318 | Well cementing methods and compositions for use in cold environments | James E. Griffith, Bobby L. King, Jiten Chatterji | 1996-11-05 |
| 5569324 | Cementitious compositions | Bobby J. King, Jiten Chatterji | 1996-10-29 |
| 5458195 | Cementitious compositions and methods | Bobby J. King, Jiten Chatterji | 1995-10-17 |
| 5447198 | Low temperature well cementing compositions and methods | Robert A. Kunzi, Edward F. Vinson, Bobby G. Brake | 1995-09-05 |
| 5380706 | Well drilling fluids and methods | Ronald E. Himes, Edward E. Vinson | 1995-01-10 |
| 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 |
| 5273580 | High temperature well cement compositions and methods | Donald W. Lindsey, Bobby J. King | 1993-12-28 |
| 5220960 | Retarded acid soluble well cement compositions and methods | Bobby G. Brake, Edward F. Vinson | 1993-06-22 |
| 5213161 | Well cementing method using acid removable low density well cement compositions | Bobby J. King | 1993-05-25 |
| 5184680 | High temperature well cement compositions and methods | Donald W. Lindsey, Bobby J. King | 1993-02-09 |
| 5127955 | Chloride-free set accelerated cement compositions and methods | Slaton E. Fry, Jerry D. Childs, Donald W. Lindsey | 1992-07-07 |
| 4588032 | Fluid spacer composition for use in well cementing | Willis A. Weigand | 1986-05-13 |