Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7998907 | Porous particulate materials and compositions thereof | Allan R. Rickards, Harold Dean Brannon, 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 | Harold Dean Brannon, William Dale Wood, Allan R. Rickards | 2011-07-05 |
| 7950455 | Non-spherical well treating particulates and methods of using the same | Phillip B. Kaufman, D. V. Satyanarayana Gupta, Allan R. Rickards | 2011-05-31 |
| 7918277 | Method of treating subterranean formations using mixed density proppants or sequential proppant stages | Harold Dean Brannon, William Dale Wood, Randall Edgeman, Allan R. Rickards, Doug Walser +1 more | 2011-04-05 |
| 7861780 | Method of treating subterranean formations with porous particulate materials | Allan R. Rickards, Harold Dean Brannon, D. V. Satyanarayana Gupta | 2011-01-04 |