Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8141638 | Fracturing method and apparatus utilizing gelled isolation fluid | Michael Tulissi, Jason Vaughan, David J. Browne, Dale Dusterhoft | 2012-03-27 |
| 5515920 | High proppant concentration/high CO.sub.2 ratio fracturing system | John L. Grisdale | 1996-05-14 |