Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9835009 | Method and apparatus for managing annular fluid expansion and pressure within a wellbore | Andy J. Cuthbert | 2017-12-05 |
| 9605490 | Riser isolation tool for deepwater wells | Andrew John Cuthbert, Ronald Wayne Courville | 2017-03-28 |
| 9534488 | Electromagnetic ranging source suitable for use in a drill string | Doug N. Derr, Andrew John Cuthbert | 2017-01-03 |