Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8886502 | Simulating injection treatments from multiple wells | Harold Grayson Walters | 2014-11-11 |
| 7597151 | Hydraulically operated formation isolation valve for underbalanced drilling applications | Fredrick D. Curtis, Michael Harvey, Jimmie R. Williamson, Jr., James Dan Vick, Jr. | 2009-10-06 |