Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6840337 | Method and apparatus for removing cuttings | James B. Terry, Carey John Naquin, Patrick Laursen, James W. Estep, Martin D. Paulk +2 more | 2005-01-11 |
| 6832651 | Cement composition exhibiting improved resilience/toughness and method for using same | Krishna M. Ravi, B. Raghava Reddy | 2004-12-21 |
| 6817376 | Gel hydration tank and method | Ronnie Glen Morgan, Johnny W. Johnson, James McGough, Michael R. Spaulding | 2004-11-16 |
| 6722434 | Methods of generating gas in well treating fluids | B. Raghava Reddy, Krishna M. Ravi, Karen Luke | 2004-04-20 |
| 5972103 | Universal well cement additives and methods | Sudhir Mehta, Richard Jones, William J. Caveny, Dennis W. Gray, Jiten Chatterji | 1999-10-26 |
| 5968255 | Universal well cement additives and methods | Sudhir Mehta, Richard R. Jones, William J. Caveny, Dennis W. Gray, Jiten Chatterji | 1999-10-19 |
| 5871577 | Methods of retarding cementitious compositions | Jiten Chatterji, Garland W. Davis | 1999-02-16 |
| 5779787 | Well cement compositions containing rubber particles and methods of cementing subterranean zones | Lance E. Brothers, David D. Onan | 1998-07-14 |
| 5672203 | Set retarded cementing compositions and methods | Jiten Chatterji, Garland W. Davis | 1997-09-30 |