Issued Patents All Time
Showing 51–75 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7772163 | Well treating composite containing organic lightweight material and weight modifying agent | Allan R. Rickards, Christopher John Stephenson | 2010-08-10 |
| 7726399 | Method of enhancing hydraulic fracturing using ultra lightweight proppants | William Dale Wood, Allan R. Rickards, Christopher John Stephenson | 2010-06-01 |
| 7713918 | Porous particulate materials and compositions thereof | Christopher John Stephenson, Allan R. Rickards, D. V. Satyanarayana Gupta | 2010-05-11 |
| 7699106 | Method for reducing fluid loss during hydraulic fracturing or sand control treatment | D. V. Satyanarayana Gupta, Roger R. Myers, Brian B. Beall | 2010-04-20 |
| 7669655 | Method of fracturing a subterranean formation at optimized and pre-determined conditions | — | 2010-03-02 |
| 7647970 | Self-sealing well cement composition | Dan Mueller, Windell Scott Bray | 2010-01-19 |
| 7528096 | Structured composite compositions for treatment of subterranean wells | Allan R. Rickards, Phillip B. Kaufman | 2009-05-05 |
| 7494711 | Coated plastic beads and methods of using same to treat a wellbore or subterranean formation | Phillip B. Kaufman, D. V. Satyanarayana Gupta | 2009-02-24 |
| 7472751 | 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 | 2009-01-06 |
| 7426961 | Method of treating subterranean formations with porous particulate materials | Christopher John Stephenson, Allan R. Rickards, D. V. Satyanarayana Gupta | 2008-09-23 |
| 7322411 | Method of stimulating oil and gas wells using deformable proppants | Allan R. Rickards, Christopher John Stephenson, Russell L. Maharidge | 2008-01-29 |
| 7213651 | Methods and compositions for introducing conductive channels into a hydraulic fracturing treatment | William Dale Wood, Christopher John Stephenson | 2007-05-08 |
| 7210528 | Method of treatment subterranean formations using multiple proppant stages or mixed proppants | William Dale Wood, Randall Edgeman, Allan R. Rickards, Christopher John Stephenson, Doug Walser +1 more | 2007-05-01 |
| 7207386 | Method of hydraulic fracturing to reduce unwanted water production | William Dale Wood, Donald L. Purvis, Allan R. Rickards, Christopher John Stephenson | 2007-04-24 |
| 6749025 | Lightweight methods and compositions for sand control | Allan R. Rickards, Christopher John Stephenson | 2004-06-15 |
| 6508305 | Compositions and methods for cementing using elastic particles | Christopher John Stephenson, Robert Dillenbeck, Dan Mueller | 2003-01-21 |
| 6364018 | Lightweight methods and compositions for well treating | Allan R. Rickards, Christopher John Stephenson | 2002-04-02 |
| 6330916 | Formation treatment method using deformable particles | Allan R. Rickards, Philip Rae, Gino DiLullo, Christopher John Stephenson | 2001-12-18 |
| 6302209 | Surfactant compositions and uses therefor | Joseph E. Thompson, George Tso-chih Woo, William R. Wood, Jeffrey C. Dawson, Marshall G. Ault | 2001-10-16 |
| 6059034 | Formation treatment method using deformable particles | Allan R. Rickards, Philip Rae, Gino DiLullo, Christopher John Stephenson | 2000-05-09 |
| 5881813 | Method for improved stimulation treatment | Robert M. Tjon-Joe-Pin, Brian B. Beall | 1999-03-16 |
| 5562160 | Fracturing fluid treatment design to optimize fluid rheology and proppant pack conductivity | Robert M. Tjon-Joe-Pin | 1996-10-08 |
| 5547026 | Crosslinked guar based blocking gel system for use at low to high temperatures | Allan R. Rickards, Brian B. Beall, Marshall G. Ault | 1996-08-20 |
| 5247995 | Method of dissolving organic filter cake obtained from polysaccharide based fluids used in production operations and completions of oil and gas wells | Robert M. Tjon-Joe-Pin, Allan R. Rickards | 1993-09-28 |
| 5103905 | Method of optimizing the conductivity of a propped fractured formation | Janet Gulbis, Milton T. King, George W. Hawkins | 1992-04-14 |