Issued Patents 2002
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500252 | High strength foamed well cement compositions and methods | Bobby J. King, Frank Zamora, Clyde R. Anderson, Billy Bennett, Roger S. Cromwell | 2002-12-31 |
| 6460632 | Methods of drilling well bores | Roger S. Cromwell, Bobby J. King, Frank Zamora, Ronald J. Crook | 2002-10-08 |
| 6454008 | Foamed fracturing fluids, additives and methods of fracturing subterranean zones | Ron Crook, Karen L. King | 2002-09-24 |
| 6448206 | Sealing subterranean zones | James E. Griffith, Ricky A. Cox, Bobby J. King, Roger S. Cromwell, John L. Dennis, Jr. | 2002-09-10 |
| 6417142 | Defoaming methods and compositions | Roger S. Cromwell, Bobby J. King, Frank Zamora | 2002-07-09 |
| 6401817 | Sealing subterranean zones | James E. Griffith, Ricky A. Cox, Bobby J. King, Roger S. Cromwell, John L. Dennis, Jr. | 2002-06-11 |
| 6367550 | Foamed well cement slurries, additives and methods | Roger S. Cromwell, Chad Brenneis, Bobby J. King, Dennis W. Gray, Frank Zamora | 2002-04-09 |
| 6367549 | Methods and ultra-low density sealing compositions for sealing pipe in well bores | Roger S. Cromwell, Bobby J. King, Dennis W. Gray, Ronald J. Crook, Frank Zamora | 2002-04-09 |
| 6364945 | Methods and compositions for forming permeable cement sand screens in well bores | Roger S. Cromwell, Baireddy R. Reddy, Bobby J. King, Philip D. Nguyen, David L. Brown | 2002-04-02 |
| 6350309 | Methods and compositions for cementing pipe strings in well bores | Roger S. Cromwell, Robert D. Kuhlman, Bobby J. King | 2002-02-26 |