Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10696897 | Sand control method using deformable non-spherical particulates | Phillip B. Kaufman, D. V. Satyanarayana Gupta, Christopher John Stephenson | 2020-06-30 |
| 10087364 | Method of stimulating a subterranean formation with non-spherical ceramic proppants | Phillip B. Kaufman, D. V. Satyanarayana Gupta, Christopher John Stephenson | 2018-10-02 |
| 9377392 | Methods and systems for testing fluids on crushed formation materials under conditions of stress | Ian J. Renkes, David Garner | 2016-06-28 |
| 9051512 | Method of treating a subterranean formation with non-spherical proppants | Phillip B. Kaufman, D. V. Satyanarayana Gupta, Christopher John Stephenson | 2015-06-09 |
| 8286514 | Conductivity cell piston extractor and method | Don A. Anschutz, Cole J. Chavey | 2012-10-16 |
| 8186434 | Method of stimulation using hollow, non-spherical particulates | Phillip B. Kaufman, D. V. Satyanarayana Gupta, Christopher John Stephenson | 2012-05-29 |
| 8127850 | Method of treating subterranean formations using sequential proppant stages | Harold Dean Brannon, William Dale Wood, Randall Edgeman, Christopher John Stephenson, Doug Walser +1 more | 2012-03-06 |
| 8122957 | Sand control method using porous particulate materials | Christopher John Stephenson, Harold Dean Brannon, D. V. Satyanarayana Gupta | 2012-02-28 |
| 7998907 | Porous particulate materials and compositions thereof | Christopher John Stephenson, 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, Christopher John Stephenson | 2011-07-05 |
| 7950455 | Non-spherical well treating particulates and methods of using the same | Phillip B. Kaufman, D. V. Satyanarayana Gupta, Christopher John Stephenson | 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, Christopher John Stephenson, Doug Walser +1 more | 2011-04-05 |
| 7861780 | Method of treating subterranean formations with porous particulate materials | Christopher John Stephenson, Harold Dean Brannon, D. V. Satyanarayana Gupta | 2011-01-04 |
| 7857057 | Method of fracturing hydrocarbon-bearing formation with coated porous polyolefin particulate | Christopher John Stephenson, Harold Dean Brannon, Gino F. Di Lullo Arias, Philip Rae | 2010-12-28 |
| 7789147 | Method of stimulating oil and gas wells using deformable proppants | Harold Dean Brannon, Christopher John Stephenson, Russell L. Maharidge | 2010-09-07 |
| 7772163 | Well treating composite containing organic lightweight material and weight modifying agent | Harold Dean Brannon, Christopher John Stephenson | 2010-08-10 |
| 7726399 | Method of enhancing hydraulic fracturing using ultra lightweight proppants | Harold Dean Brannon, William Dale Wood, Christopher John Stephenson | 2010-06-01 |
| 7713918 | Porous particulate materials and compositions thereof | Christopher John Stephenson, Harold Dean Brannon, D. V. Satyanarayana Gupta | 2010-05-11 |
| 7528096 | Structured composite compositions for treatment of subterranean wells | Harold Dean Brannon, Phillip B. Kaufman | 2009-05-05 |
| 7472751 | Method of treating subterranean formations using mixed density proppants or sequential proppant stages | Harold Dean Brannon, William Dale Wood, Randall Edgeman, Christopher John Stephenson, Doug Walser +1 more | 2009-01-06 |
| 7426961 | Method of treating subterranean formations with porous particulate materials | Christopher John Stephenson, Harold Dean Brannon, D. V. Satyanarayana Gupta | 2008-09-23 |
| 7322411 | Method of stimulating oil and gas wells using deformable proppants | Harold Dean Brannon, Christopher John Stephenson, Russell L. Maharidge | 2008-01-29 |
| 7210528 | Method of treatment subterranean formations using multiple proppant stages or mixed proppants | Harold Dean Brannon, William Dale Wood, Randall Edgeman, Christopher John Stephenson, Doug Walser +1 more | 2007-05-01 |
| 7207386 | Method of hydraulic fracturing to reduce unwanted water production | Harold Dean Brannon, William Dale Wood, Donald L. Purvis, Christopher John Stephenson | 2007-04-24 |
| 6772838 | Lightweight particulate materials and uses therefor | Jeffrey C. Dawson | 2004-08-10 |