Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084402 | Method of using ionic liquids to inhibit or prevent the swelling of clay | Sandra L. Berry, Joel L. Boles, Harold Dean Brannon | 2011-12-27 |
| 7913762 | Method of fracturing using ultra lightweight proppant suspensions and gaseous streams | Richard S. Wheeler, Chandler C. Newhall, Roger R. Myers, Brian N. Ward, Harold Dean Brannon | 2011-03-29 |