Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6457521 | Method and apparatus for continuously testing a well | Bjorn Langseth, Christopher W. Spiers | 2002-10-01 |
| 6439306 | Actuation of downhole devices | — | 2002-08-27 |
| 6401826 | Lubricator for underbalanced drilling | — | 2002-06-11 |
| 6386289 | Reclosable circulating valve for well completion systems | — | 2002-05-14 |
| 6357525 | Method and apparatus for testing a well | Bjorn Langseth, Christopher W. Spiers, Mark Vella | 2002-03-19 |
| 6355250 | Use of genera prunus endocarp as a dietary supplement | Robert S. Green | 2002-03-12 |
| 6354378 | Method and apparatus for formation isolation in a well | — | 2002-03-12 |
| 6352110 | Method and apparatus for continuously testing a well | Bjorn Langseth, Christopher W. Spiers | 2002-03-05 |
| 6352119 | Completion valve assembly | — | 2002-03-05 |