Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9291019 | Systems and methods to inhibit packoff formation during drilling assembly removal from a wellbore | Chinar R. Aphale, Pietro Valsecchi, Fuping Zhou | 2016-03-22 | $171,216,000 |