Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7159660 | Hydrajet perforation and fracturing tool | — | 2007-01-09 |
| 7090017 | Low cost method and apparatus for fracturing a subterranean formation with a sand suspension | David W. Ritter, Sanjay Vitthal | 2006-08-15 |
| 7066258 | Reduced-density proppants and methods of using reduced-density proppants to enhance their transport in well bores and fractures | Bradley L. Todd, Philip D. Nguyen | 2006-06-27 |