Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8353351 | System and method for regulating pressure within a well annulus | Robert B. Carpenter, Omid Oujani, Krystian K. Maskos | 2013-01-15 | $121,757,000 |
| 6938707 | Method and system for minimizing circulating fluid return losses during drilling of a well bore | Joseph H. Schmidt, Manuel E. Gonzalez, James B. Bloys, Gregory P. Pepin | 2005-09-06 | $580,141,000 |