Issued Patents All Time
Showing 26–50 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6899177 | Methods of cementing subterranean zones with cement compositions having enhanced compressive strengths | Jiten Chatterj, Bobby J. King, D. Chad Brenneis | 2005-05-31 |
| 6881708 | Compositions for solving lost circulation problems | B. Raghava Reddy, Jiten Chatterji | 2005-04-19 |
| 6858566 | Methods of generating gas in and foaming well cement compositions | B. Raghava Reddy, Karen Luke, Bryan K. Waugh | 2005-02-22 |
| 6840319 | Methods, compositions and biodegradable fluid loss control additives for cementing subterranean zones | Jiten Chatterji, Bobby J. King, D. Chad Brenneis | 2005-01-11 |
| 6797054 | Foamed well cement slurries, additives and methods | Jiten Chatterji, Chad Brenneis, Bobby J. King, Dennis W. Gray, Frank Zamora | 2004-09-28 |
| 6767867 | Methods of treating subterranean zones penetrated by well bores | Jiten Chatterji, Bobby J. King, D. Chad Brenneis, Dennis W. Gray, Ronald J. Crook +5 more | 2004-07-27 |
| 6708760 | Methods and cement compositions for cementing in subterranean zones | Jiten Chatterji, Darrell Chad Brenneis, Bobby J. King | 2004-03-23 |
| 6681856 | Methods of cementing in subterranean zones penetrated by well bores using biodegradable dispersants | Jiten Chatterji, D. Chad Brenneis | 2004-01-27 |
| 6641660 | Stable well cementing methods and compositions | Jiten Chatterji, Bobby J. King, Darrel C. Brenneis, Ronald J. Crook | 2003-11-04 |
| 6593402 | Resilient well cement compositions and methods | Jiten Chatterji, Baireddy R. Reddy, Bobby J. King | 2003-07-15 |
| 6555507 | Sealing subterranean zones | Jiten Chatterji, Bobby J. King | 2003-04-29 |
| 6554068 | Method of downhole fluid separation and displacement and a plug utilized therein | Jiten Chatterji, B. Raghava Reddy, Frank Zamora | 2003-04-29 |
| 6547871 | Foamed well cement slurries, additives and methods | Jiten Chatterji, Chad Brenneis, Bobby J. King, Dennis W. Gray, Frank Zamora | 2003-04-15 |
| 6516884 | Stable well cementing methods and compositions | Jiten Chatterji, Bobby J. King, Darrel C. Brenneis, Ronald J. Crook | 2003-02-11 |
| 6516883 | Methods of cementing pipe in well bores and low density cement compositions therefor | Jiten Chatterji, Darrel C. Brenneis, Bobby J. King | 2003-02-11 |
| 6508306 | Compositions for solving lost circulation problems | B. Raghava Reddy, Jiten Chatterji | 2003-01-21 |
| 6503870 | Sealing subterranean zones | James E. Griffith, Ricky A. Cox, Jiten Chatterji, Bobby J. King, John L. Dennis, Jr. | 2003-01-07 |
| 6502636 | Methods and compositions for grouting heat exchange pipe | Jiten Chatterji, W. Andrew Liao, Jason Glen Bell | 2003-01-07 |
| 6500252 | High strength foamed well cement compositions and methods | Jiten Chatterji, Bobby J. King, Frank Zamora, Clyde R. Anderson, Billy Bennett | 2002-12-31 |
| 6460632 | Methods of drilling well bores | Jiten Chatterji, Bobby J. King, Frank Zamora, Ronald J. Crook | 2002-10-08 |
| 6448206 | Sealing subterranean zones | James E. Griffith, Ricky A. Cox, Jiten Chatterji, Bobby J. King, John L. Dennis, Jr. | 2002-09-10 |
| 6417142 | Defoaming methods and compositions | Jiten Chatterji, Bobby J. King, Frank Zamora | 2002-07-09 |
| 6401817 | Sealing subterranean zones | James E. Griffith, Ricky A. Cox, Jiten Chatterji, Bobby J. King, John L. Dennis, Jr. | 2002-06-11 |
| 6367549 | Methods and ultra-low density sealing compositions for sealing pipe in well bores | Jiten Chatterji, Bobby J. King, Dennis W. Gray, Ronald J. Crook, Frank Zamora | 2002-04-09 |
| 6367550 | Foamed well cement slurries, additives and methods | Jiten Chatterji, Chad Brenneis, Bobby J. King, Dennis W. Gray, Frank Zamora | 2002-04-09 |