Issued Patents All Time
Showing 76–100 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7363986 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, John C. Gano, William David Henderson +10 more | 2008-04-29 |
| 7341103 | Compositions and methods for treating subterranean formations with liquefied petroleum gas | Robert S. Taylor, Ronald Glen Dusterhoft, Robert S. Lestz, Audis C. Byrd | 2008-03-11 |
| 7328744 | Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids | Robert S. Taylor, Michael A. McCabe, B. Raghava Reddy | 2008-02-12 |
| 7325615 | Viscosified treatment fluids comprising polycarboxylic acid gelling agents and associated methods | Robert Kriegel | 2008-02-05 |
| 7320367 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Ralph H. Echols, William David Henderson, Marion D. Kilgore, Ronald J. Powell +2 more | 2008-01-22 |
| 7314850 | Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids | Robert S. Taylor | 2008-01-01 |
| 7303019 | Viscoelastic surfactant fluids and associated diverting methods | Thomas D. Welton, Samuel J. Lewis | 2007-12-04 |
| 7299874 | Viscoelastic surfactant fluids and associated methods | Thomas D. Welton, Samuel J. Lewis | 2007-11-27 |
| 7299882 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, John C. Gano, Jody R. McGlothen, Alex Procyk +4 more | 2007-11-27 |
| 7293611 | CO2 miscible optimized hydrocarbon blends and methods of using CO2 miscible optimized hydrocarbon blends | Robert S. Taylor, Ronald Glen Dusterhoft, Robert S. Lestz | 2007-11-13 |
| 7264047 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Jody R. McGlothen, Thomas W. Ray, Robert S. Taylor +1 more | 2007-09-04 |
| 7252142 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, John C. Gano, Paul Herman +7 more | 2007-08-07 |
| 7238229 | Methods and compositions for cementing in well bores | Larry S. Eoff, Lewis R. Norman | 2007-07-03 |
| 7185702 | Methods and compositions for the in-situ thermal stimulation of hydrocarbons using peroxide-generating compounds | Matthew E. Blauch, Thomas D. Welton, Scott A. Berning | 2007-03-06 |
| 7168489 | Orthoester compositions and methods for reducing the viscosified treatment fluids | Keith A. Frost, Brad Todd | 2007-01-30 |
| 7168490 | Optimized hydrocarbon blends and methods of using optimized hydrocarbon blends | Robert S. Taylor, Robert S. Lestz, Audis C. Byrd, Ronald Glen Dusterhoft, David Attaway | 2007-01-30 |
| 7163060 | Difunctional phosphorus-based gelling agents and gelled nonaqueous treatment fluids and associated methods | Richard G. Weiss, Mathew George | 2007-01-16 |
| 7159659 | Viscoelastic surfactant fluids and associated acidizing methods | Thomas D. Welton, Samuel J. Lewis | 2007-01-09 |
| 7140438 | Orthoester compositions and methods of use in subterranean applications | Keith A. Frost, Bessie “Nita” Q. Citrowske, Brad Todd | 2006-11-28 |
| 7104327 | Methods of fracturing high temperature subterranean zones and foamed fracturing fluids therefor | Phillip C. Harris, Stanley J. Heath | 2006-09-12 |
| 7077219 | Foamed treatment fluids and associated methods | Jiten Chatterji, Bobby J. King | 2006-07-18 |
| 7066262 | Gelled liquid hydrocarbon treatment fluids having reduced phosphorus volatility and their associated methods of use and preparation | — | 2006-06-27 |
| 7026272 | Methods and compositions for sealing oil containing subterranean zones | B. Raghava Reddy, David L. Brown | 2006-04-11 |
| 6986391 | Methods of fracturing subterranean zones penetrated by well bores and fracturing fluids therefor | Lewis R. Norman | 2006-01-17 |
| 6854522 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, John C. Gano, William David Henderson +12 more | 2005-02-15 |