Issued Patents All Time
Showing 25 most recent of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306663 | Systems, methods and apparatus for synchronization of multiple processing devices | Bruce A. Boettjer, Dennis Kanarsky, Douglas M. McIntosh, Hyunsuk Shin, Forrest B. Lee | 2025-05-20 |
| 8899340 | Producing gaseous hydrocarbons from hydrate capped reservoirs | Frederick B. Growcock | 2014-12-02 |
| 8872084 | Three-dimensional sun vector determination utilizing low-cost solar cells | Babken Aladadyan | 2014-10-28 |
| 8871097 | Reclamation of formate brines | Hui Zhang, Charles Svoboda, Frank E. Evans | 2014-10-28 |
| 8869893 | Gravel-packing carrier fluid with internal breaker | Raul Navarro, Andrew G. K. Jones, Mark Luyster | 2014-10-28 |
| 8697611 | High density brines for use in wellbore fluids | Hui Zhang, Bethicia B. Prasek, Mary L. K. Dimataris | 2014-04-15 |
| 8664165 | Fluid loss pills | Bethicia B. Prasek | 2014-03-04 |
| 8596364 | Process for preventing or remediating trithiazine deposition in high H2S wells | Randy Stoker, Paul K. Davis | 2013-12-03 |
| 8361804 | Method and composition for determining hardness in wellbore fluid filtrate | Bethicia B. Prasek | 2013-01-29 |
| 8344179 | Reclamation of halide-contaminated formate brines | Hui Zhang, Morris Arvie, Jr. | 2013-01-01 |
| 8236736 | Oil-based insulating packer fluid | Larry H. Leggett, Charles Svoboda, Morris Arvie, Jr., Joyce H. Zhang | 2012-08-07 |
| 8071512 | Annular fluids and method of emplacing the same | Andrew G. K. Jones, Bethicia B. Prasek | 2011-12-06 |
| 8067343 | Methods and compositions for preventing high density well completion fluid loss | Bethicia B. Prasek | 2011-11-29 |
| 8017563 | Diverting compositions, fluid loss control pills, and breakers thereof | Michael A. Freeman, Bethicia B. Prasek | 2011-09-13 |
| 7863223 | Oil-based insulating packer fluid | Larry H. Leggett, Charles Svoboda, Morris Arvie, Jr., Joyce H. Zhang | 2011-01-04 |
| 7829509 | Annular fluids and method of emplacing the same | Andrew G. K. Jones, Bethicia B. Prasek | 2010-11-09 |
| 7517835 | Surfactant-polymer compositions for enhancing the stability of viscoelastic-surfactant based fluid | Bethicia B. Prasek, Frederick B. Growcock, David P. Kippie, John W. Vian, Kamila B. Abdur-Rahman +1 more | 2009-04-14 |
| 7157409 | Surfactant-polymer compositions for enhancing the stability of viscoelastic-surfactant based fluid | Bethicia B. Prasek, Frederick B. Growcock, David P. Kippie, John W. Vian, Kamila B. Abdur-Rahman +1 more | 2007-01-02 |
| 7152697 | Delayed phase changing agent for invert emulsion drilling fluid | Bethicia B. Prasek, Frank E. Evans, Taylor Green, Mark Luyster, Steve Mason | 2006-12-26 |
| 7098172 | Prevention and treatment of lost circulation with crosslinked polymer material | Bethicia B. Prasek, Frederick B. Growcock, John W. Vian, Catalin Ivan | 2006-08-29 |
| 6959767 | Remediation treatment of sustained casing pressures (SCP) in wells with top down surface injection of fluids and additives | John W. Powell, William E. Foxenberg, David P. Kippie | 2005-11-01 |
| 6908886 | Annular fluids and method of emplacing the same | Andrew G. K. Jones, Bethicia B. Prasek | 2005-06-21 |
| 6746992 | High density thermally stable well fluids | David P. Kippie, William E. Foxenberg | 2004-06-08 |
| 6632779 | Wellbore treatment and completion fluids and methods of using the same | Daniel P. Vollmer | 2003-10-14 |
| 6489270 | Methods for enhancing wellbore treatment fluids | Daniel P. Vollmer | 2002-12-03 |