Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10040991 | Zeta potential modifiers to decrease the residual oil saturation | Sarkis R. Kakadjian, Raynard Veldman, Ronald van Petegen | 2018-08-07 |
| 9951600 | Managed pressure cementing | Don M. Hannegan, Cesar Pena, David Pavel, Michael Brian Grayson, Said Boutalbi +2 more | 2018-04-24 |