Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7059407 | Method and apparatus for stimulation of multiple formation intervals | Randy C. Tolman, Lawrence O. Carlson, David A. Kinison, Kris J. Nygaard, William A. Sorem +1 more | 2006-06-13 |
| 6957701 | Method and apparatus for stimulation of multiple formation intervals | Randy C. Tolman, Lawrence O. Carlson, David A. Kinison, Kris J. Nygaard, William A. Sorem +1 more | 2005-10-25 |
| 6520255 | Method and apparatus for stimulation of multiple formation intervals | Randy C. Tolman, Lawrence O. Carlson, David A. Kinison, Kris J. Nygaard, William A. Sorem +1 more | 2003-02-18 |
| 6394184 | Method and apparatus for stimulation of multiple formation intervals | Randy C. Tolman, Lawrence O. Carlson, David A. Kinison, Kris J. Nygaard, William A. Sorem +1 more | 2002-05-28 |