Issued Patents 2011
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084402 | Method of using ionic liquids to inhibit or prevent the swelling of clay | Sandra L. Berry, Brian B. Beall, Joel L. Boles | 2011-12-27 |
| 8051911 | Method of fracturing a subterranean formation at optimized and pre-determined conditions | — | 2011-11-08 |
| 7998907 | Porous particulate materials and compositions thereof | Christopher John Stephenson, Allan R. Rickards, D. V. Satyanarayana Gupta | 2011-08-16 |
| 7971643 | Methods and compositions of a storable relatively lightweight proppant slurry for hydraulic fracturing and gravel packing applications | William Dale Wood, Allan R. Rickards, Christopher John Stephenson | 2011-07-05 |
| 7918277 | Method of treating subterranean formations using mixed density proppants or sequential proppant stages | William Dale Wood, Randall Edgeman, Allan R. Rickards, Christopher John Stephenson, Doug Walser +1 more | 2011-04-05 |
| 7913762 | Method of fracturing using ultra lightweight proppant suspensions and gaseous streams | Richard S. Wheeler, Chandler C. Newhall, Roger R. Myers, Brian N. Ward, Brian B. Beall | 2011-03-29 |
| 7870902 | Methods for allowing multiple fractures to be formed in a subterranean formation from an open hole well | John Misselbrook, David Ross, Alexander R. Crabtree | 2011-01-18 |
| 7861780 | Method of treating subterranean formations with porous particulate materials | Christopher John Stephenson, Allan R. Rickards, D. V. Satyanarayana Gupta | 2011-01-04 |