Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829922 | Evaluating foamed cement under pressure and temperature | Ronald J. Patin, Dennis W. Gray, James H. Cantrell, D. Chad Brenneis, Garland W. Davis | 2004-12-14 |
| 6770604 | High temperature viscosifying and fluid loss controlling additives for well cements, well cement compositions and methods | B. Raghava Reddy | 2004-08-03 |