Issued Patents 2003
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668929 | Methods and oil-based settable spotting fluid compositions for cementing wells | James E. Griffith, Jiten Chatterji, John L. Dennis, Jr. | 2003-12-30 |
| 6668927 | Well completion foamed spacer fluids and methods | Jiten Chatterji, James E. Griffith | 2003-12-30 |
| 6666268 | Methods and oil-based settable drilling fluid compositions for drilling and cementing wells | James E. Griffith, Jiten Chatterji, John L. Dennis, Jr. | 2003-12-23 |
| 6641660 | Stable well cementing methods and compositions | Jiten Chatterji, Roger S. Cromwell, Darrel C. Brenneis, Ronald J. Crook | 2003-11-04 |
| 6593402 | Resilient well cement compositions and methods | Jiten Chatterji, Roger S. Cromwell, Baireddy R. Reddy | 2003-07-15 |
| 6555507 | Sealing subterranean zones | Jiten Chatterji, Roger S. Cromwell | 2003-04-29 |
| 6547871 | Foamed well cement slurries, additives and methods | Jiten Chatterji, Roger S. Cromwell, Chad Brenneis, Dennis W. Gray, Frank Zamora | 2003-04-15 |
| 6516884 | Stable well cementing methods and compositions | Jiten Chatterji, Roger S. Cromwell, 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, Roger S. Cromwell, Darrel C. Brenneis | 2003-02-11 |
| 6503870 | Sealing subterranean zones | James E. Griffith, Ricky A. Cox, Jiten Chatterji, Roger S. Cromwell, John L. Dennis, Jr. | 2003-01-07 |