Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797054 | Foamed well cement slurries, additives and methods | Jiten Chatterji, Roger S. Cromwell, Chad Brenneis, Bobby J. King, Dennis W. Gray | 2004-09-28 |
| 6715553 | Methods of generating gas in well fluids | B. Raghava Reddy, Krishna M. Ravi, James E. Griffith, Karen Luke, John L. Dennis, Jr. +1 more | 2004-04-06 |