Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9416599 | Rotating continuous flow sub | Thomas F. Bailey, Mark A. Mitchell, Lev Ring, Ram K. Bansal, David Iblings | 2016-08-16 |
| 9353587 | Three-way flow sub for continuous circulation | Ram K. Bansal, Joe Noske, Miroslav Mihalj, Bill Menard, Thomas F. Bailey +3 more | 2016-05-31 |
| 9328575 | Dual gradient managed pressure drilling | Guy F. Feasey, Mark A. Mitchell | 2016-05-03 |
| 9249646 | Managed pressure cementing | Don M. Hannegan, Cesar Pena, Michael Brian Grayson, Said Boutalbi, Todd Douglas Cooper +2 more | 2016-02-02 |