Issued Patents 2005
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |