Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9424667 | Interface for controlling and improving drilling operations | Dietmar J. Neidhardt | 2016-08-23 |
| 9249646 | Managed pressure cementing | Don M. Hannegan, David Pavel, Michael Brian Grayson, Said Boutalbi, Todd Douglas Cooper +2 more | 2016-02-02 |