Issued Patents 2017
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9752411 | Downhole activation assembly with sleeve valve and method of using same | — | 2017-09-05 |
| 9732573 | Downhole activation assembly with offset bore and method of using same | — | 2017-08-15 |
| 9725990 | Multi-layered wellbore completion for methane hydrate production | Michael H. Johnson, Bennett M. Richard | 2017-08-08 |
| 9689209 | Large gauge concentric underreamer | — | 2017-06-27 |
| 9587163 | Shape-change particle plug system | Sean L. Gaudette, Michael H. Johnson | 2017-03-07 |
| 9574422 | Formation treatment system | Michael H. Johnson, Nicholas J. Clem, Jason A. Allen | 2017-02-21 |