Issued Patents All Time
Showing 151–175 of 248 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6708760 | Methods and cement compositions for cementing in subterranean zones | Roger S. Cromwell, Darrell Chad Brenneis, Bobby J. King | 2004-03-23 |
| 6681856 | Methods of cementing in subterranean zones penetrated by well bores using biodegradable dispersants | D. Chad Brenneis, Roger S. Cromwell | 2004-01-27 |
| 6668929 | Methods and oil-based settable spotting fluid compositions for cementing wells | James E. Griffith, Bobby J. King, John L. Dennis, Jr. | 2003-12-30 |
| 6668927 | Well completion foamed spacer fluids and methods | James E. Griffith, Bobby J. King | 2003-12-30 |
| 6666268 | Methods and oil-based settable drilling fluid compositions for drilling and cementing wells | James E. Griffith, Bobby J. King, John L. Dennis, Jr. | 2003-12-23 |
| 6641660 | Stable well cementing methods and compositions | Roger S. Cromwell, Bobby J. King, Darrel C. Brenneis, Ronald J. Crook | 2003-11-04 |
| 6619399 | Foamed compositions and methods of use in subterranean zones | Richard L. Middaugh, James E. Griffith | 2003-09-16 |
| 6593402 | Resilient well cement compositions and methods | Roger S. Cromwell, Baireddy R. Reddy, Bobby J. King | 2003-07-15 |
| 6591910 | Methods and compositions for cementing subterranean zones | D. Chad Brenneis, Dennis W. Gray, Krista L. Keener | 2003-07-15 |
| 6555507 | Sealing subterranean zones | Roger S. Cromwell, Bobby J. King | 2003-04-29 |
| 6555505 | Foamed acidizing fluids, additives and methods of acidizing subterranean zones | Karen L. King | 2003-04-29 |
| 6554068 | Method of downhole fluid separation and displacement and a plug utilized therein | B. Raghava Reddy, Frank Zamora, Roger S. Cromwell | 2003-04-29 |
| 6554069 | Methods of removing water-based drilling fluids and compositions | Sears T. Dealy, Ronald J. Crook | 2003-04-29 |
| 6547871 | Foamed well cement slurries, additives and methods | Roger S. Cromwell, Chad Brenneis, Bobby J. King, Dennis W. Gray, Frank Zamora | 2003-04-15 |
| 6543545 | Expandable sand control device and specialized completion system and method | R. Ashley Donaldson, Ronald Glen Dusterhoft, Tommy Frank Grigsby, Travis Hailey, Jackie M. LaFontaine +4 more | 2003-04-08 |
| 6524384 | Oil-based settable spotting fluid | James E. Griffith, Ricky A. Cox, John L. Dennis, Jr. | 2003-02-25 |
| 6523610 | Methods and apparatus for forming metal casings in well bores | James E. Griffith, Ricky A. Cox, John L. Dennis, Jr. | 2003-02-25 |
| 6516884 | Stable well cementing methods and compositions | Roger S. Cromwell, 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 | Roger S. Cromwell, Darrel C. Brenneis, Bobby J. King | 2003-02-11 |
| 6508306 | Compositions for solving lost circulation problems | B. Raghava Reddy, Roger S. Cromwell | 2003-01-21 |
| 6502636 | Methods and compositions for grouting heat exchange pipe | Roger S. Cromwell, W. Andrew Liao, Jason Glen Bell | 2003-01-07 |
| 6503870 | Sealing subterranean zones | James E. Griffith, Ricky A. Cox, Bobby J. King, Roger S. Cromwell, John L. Dennis, Jr. | 2003-01-07 |
| 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 |