Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10415342 | High flow area swellable cementing packer | Terje Abrahamsen, Kristian Andersen, Rune Hobberstad | 2019-09-17 |
| 9909383 | Swellable packer with enhanced operating envelope | — | 2018-03-06 |
| 9708880 | Swellable packer with enhanced anchoring and/or sealing capability | Kurtis W. Price, Ronald L. Hinkie | 2017-07-18 |
| 9617821 | Swellable packer with enhanced operating envelope | — | 2017-04-11 |
| 9488029 | Swellable packer with enhanced sealing capability | Christopher J. Chalker | 2016-11-08 |
| 9303483 | Swellable packer with enhanced sealing capability | Christopher J. Chalker | 2016-04-05 |
| 9273533 | Well tool including swellable material and integrated fluid for initiating swelling | David B. Allison, Alan B. Webb, Steven G. Streich, Christopher J. Chalker | 2016-03-01 |
| 8453750 | Well tools utilizing swellable materials activated on demand | Alf Kolbjorn Sevre, Mark D. Kalman | 2013-06-04 |
| 8047298 | Well tools utilizing swellable materials activated on demand | Alf Kolbjorn Sevre, Mark D. Kalman | 2011-11-01 |
| 7866408 | Well tool including swellable material and integrated fluid for initiating swelling | David B. Allison, Alan B. Webb, Steven G. Streich, Christopher J. Chalker | 2011-01-11 |
| 7849930 | Swellable packer construction | Christopher J. Chalker, Gerrard P. Kennedy, Alf Kolbjorn Sevre | 2010-12-14 |