Issued Patents All Time
Showing 126–150 of 248 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7013975 | Foamed cement slurries, additives and methods | D. Chad Brenneis, Bobby J. King, Roger S. Cromwell, Dennis W. Gray | 2006-03-21 |
| 7008479 | Methods and cement compositions for cementing in subterranean zones | Roger S. Cromwell, Darrell Chad Brenneis, Bobby J. King | 2006-03-07 |
| 7008477 | Foamed cement slurries, additives and methods | Bobby J. King, Roger S. Cronwell, D. Chad Brenneis, Dennis W. Gray | 2006-03-07 |
| 7004256 | Set retarder compositions, cement compositions, and associated methods | James F. Heathman, Dennis W. Gray, Bryan K. Waugh | 2006-02-28 |
| 7004254 | Subterranean treatment fluids, friction reducing copolymers, and associated methods | Karen L. King, David E. McMechan | 2006-02-28 |
| 6986392 | Recyclable foamed fracturing fluids and methods of using the same | Bobby J. King, Karen L. King | 2006-01-17 |
| 6983800 | Methods, cement compositions and oil suspensions of powder | Ronney R. Koch, Bobby J. King | 2006-01-10 |
| 6982000 | Cement compositions including silane treated amorphous silica | Roger S. Cromwell, Craig W. Roddy | 2006-01-03 |
| 6979366 | Methods of cementing pipe in well bores and low density cement compositions therefor | Roger S. Cromwell, Darrel C. Brenneis, Bobby J. King | 2005-12-27 |
| 6978834 | Foamed and non-foamed cement compositions including silane treated amorphous silica and methods | Roger S. Cromwell, Craig W. Roddy | 2005-12-27 |
| 6966379 | Methods of fracturing a subterranean formation using a pH dependent foamed fracturing fluid | Karen L. King, Bobby J. King, Billy Slabaugh | 2005-11-22 |
| 6953505 | Stable and biodegradable foamed cement slurries, additives and methods | D. Chad Brenneis, Bobby J. King | 2005-10-11 |
| 6951249 | Foamed cement slurries, additives and methods | Bobby J. King, Roger S. Cronwell, D. Chad Brenneis, Dennis W. Gray | 2005-10-04 |
| 6902002 | Cement compositions comprising improved lost circulation materials and methods of use in subterranean formations | Bobby J. King, Roger S. Cromwell, D. Chad Brenneis | 2005-06-07 |
| 6881708 | Compositions for solving lost circulation problems | B. Raghava Reddy, Roger S. Cromwell | 2005-04-19 |
| 6852676 | Well completion foamed spacer fluids and methods | James E. Griffith, Bobby J. King | 2005-02-08 |
| 6843846 | Methods and compositions for cementing subterranean zones | D. Chad Brenneis, Dennis W. Gray, Krista L. Keener | 2005-01-18 |
| 6840319 | Methods, compositions and biodegradable fluid loss control additives for cementing subterranean zones | Roger S. Cromwell, Bobby J. King, D. Chad Brenneis | 2005-01-11 |
| 6797054 | Foamed well cement slurries, additives and methods | Roger S. Cromwell, Chad Brenneis, Bobby J. King, Dennis W. Gray, Frank Zamora | 2004-09-28 |
| 6784141 | Methods, aqueous well treating fluids and friction reducers therefor | Karen L. King, David E. McMechan | 2004-08-31 |
| 6766862 | 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 | 2004-07-27 |
| 6767867 | Methods of treating subterranean zones penetrated by well bores | Roger S. Cromwell, Bobby J. King, D. Chad Brenneis, Dennis W. Gray, Ronald J. Crook +5 more | 2004-07-27 |
| 6762155 | Methods of removing water-based drilling fluids and compositions | Sears T. Dealy, Ronald J. Crook | 2004-07-13 |
| 6734146 | Foamed fracturing fluids, additives and methods of fracturing subterranean zones | Ron Crook, Karen L. King | 2004-05-11 |
| 6716282 | Methods and oil-based settable spotting fluid compositions for cementing wells | James E. Griffith, Bobby J. King, John L. Dennis, Jr. | 2004-04-06 |