Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7866394 | Compositions and methods of cementing in subterranean formations using a swelling agent to inhibit the influx of water into a cement slurry | Prentice G. Creel, Charles L. Boatman, Eldon D. Dalrymple, Stephen P. Luscombe, John L. Eubank | 2011-01-11 |
| 6889766 | Methods for passing a swelling agent into a reservoir to block undesirable flow paths during oil production | Prentice G. Creel, Charles L. Boatman, Sam W. McDonald, Eldon D. Dalrymple | 2005-05-10 |