Issued Patents All Time
Showing 226–248 of 248 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5875844 | Methods of sealing pipe strings in well bores | David D. Onan, Roger S. Cromwell, Bobby J. King, Patty L. Onan | 1999-03-02 |
| 5873413 | Methods of modifying subterranean strata properties | David D. Onan, Roger S. Cromwell, Bobby J. King, Patty L. Onan | 1999-02-23 |
| 5871577 | Methods of retarding cementitious compositions | Rickey L. Morgan, Garland W. Davis | 1999-02-16 |
| 5820670 | Resilient well cement compositions and methods | Bobby J. King, Patty L. Onan, David D. Onan | 1998-10-13 |
| 5795924 | Resilient well cement compositions and methods | Bobby J. King, Patty L. Totten, David D. Onan | 1998-08-18 |
| 5783822 | Traceable well cement compositions and methods | Ronnie J. Buchanan, James F. Heathman | 1998-07-21 |
| 5713416 | Methods of decomposing gas hydrates | James E. Griffith | 1998-02-03 |
| 5711801 | Cement compositions | James E. Griffith, Patty L. Totten, Bobby J. King | 1998-01-27 |
| 5711383 | Cementitious well drilling fluids and methods | Dralen T. Terry, Garland W. Davis, Bobby J. King, David D. Onan, Patty L. Totten | 1998-01-27 |
| 5688844 | Resilient well cement compositions and methods | Bobby J. King, Patty L. Totten, David D. Onan | 1997-11-18 |
| 5672203 | Set retarded cementing compositions and methods | Rickey L. Morgan, Garland W. Davis | 1997-09-30 |
| 5588489 | Lightweight well cement compositions and methods | James E. Griffith, Patty L. Totten, Bobby J. King | 1996-12-31 |
| 5571318 | Well cementing methods and compositions for use in cold environments | James E. Griffith, Patty L. Totten, Bobby L. King | 1996-11-05 |
| 5572021 | Methods of detecting the locations of well treating fluids | James F. Heathman, Robert F. Shelley | 1996-11-05 |
| 5569324 | Cementitious compositions | Patty L. Totten, Bobby J. King | 1996-10-29 |
| 5458195 | Cementitious compositions and methods | Patty L. Totten, Bobby J. King | 1995-10-17 |
| 5421881 | Cement set retarding additives, compositions and methods | Klein A. Rodrigues | 1995-06-06 |
| 5355955 | Cement set retarding additives, compositions and methods | Klein A. Rodrigues | 1994-10-18 |
| 5340860 | Low fluid loss cement compositions, fluid loss reducing additives and methods | Bobby G. Brake | 1994-08-23 |
| 4466837 | Liquid water loss reducing additives for cement slurries | Bobby G. Brake, John M. Tinsley | 1984-08-21 |
| 4455169 | Salt water cement slurries and water loss reducing additives therefor | Bobby G. Brake | 1984-06-19 |
| 4433731 | Liquid water loss reducing additives for cement slurries | Bobby G. Brake, John M. Tinsley | 1984-02-28 |
| RE31190 | Oil well cementing process | William J. Detroit, Michael E. Sanford, Charles R. George, Jerry D. Childs, Roosevelt Love | 1983-03-29 |