Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7879770 | Oxidative internal breaker for viscoelastic surfactant fluids | Lijun Lin, Yiyan Chen, Belgin Baser, Carlos Abad, Jesse Lee | 2011-02-01 |
| 7874362 | Determination of downhole pressure while pumping | Richard Timothy Coates, Douglas E. Miller, Francois M. Auzerais, Tarek M. Habashy | 2011-01-25 |
| 7857051 | Internal breaker for oilfield treatments | Carlos Abad, Jesse Lee, Erik Nelson, Yiyan Chen, Belgin Baser +1 more | 2010-12-28 |
| 7823642 | Control of fines migration in well treatments | Balkrishna Gadiyar, Erik Nelson, Juan-Carlos Santamaria, Brent Busby | 2010-11-02 |
| 7798224 | Rheology controlled heterogeneous particle placement in hydraulic fracturing | Haiying Huang, Joseph Ayoub | 2010-09-21 |
| 7775278 | Degradable material assisted diversion or isolation | Dean M. Willberg, Marina Bulova, Christopher N. Fredd, Alexey Vostrukhov, Curtis L. Boney +2 more | 2010-08-17 |
| 7748452 | Polymeric microspheres as degradable fluid loss additives in oilfield applications | Gary John Tustin, Bruno Drochon, Marie Noelle Dessinges, Gregory Kubala, Christelle Vatry | 2010-07-06 |
| 7703521 | Polymeric microspheres as degradable fluid loss additives in oilfield applications | Gary John Tustin, Don Williamson, Hemant K. Ladva | 2010-04-27 |
| 7703529 | Gel capsules for solids entrainment | Geoff Robinson, Radovan Rolovic, Golchehreh Salamat | 2010-04-27 |
| 7703527 | Aqueous two-phase emulsion gel systems for zone isolation | Gary John Tustin, Yenny Christanti, Gregory Kubala, Bruno Drochon, Trevor Hughes | 2010-04-27 |
| 7677311 | Internal breaker for oilfield treatments | Carlos Abad, Jesse Lee, Erik Nelson, Yiyan Chen, Belgin Baser +1 more | 2010-03-16 |
| 7665522 | Fiber laden energized fluids and methods of use | Christopher N. Fredd | 2010-02-23 |
| 7637320 | Differential filters for stopping water during oil production | Paul R. Howard, Timothy Lesko | 2009-12-29 |
| 7617872 | System and method for perforated well sand control | Gregory Kubala, Kevin W. England | 2009-11-17 |
| 7431087 | Internal breaker for oilfield fluids | Belgin Baser, Carlos Abad, Yiyan Chen, Mehmet Parlar, Gregory Kubala | 2008-10-07 |
| 7402549 | Viscoelastic surfactant rheology modification | Yiyan Chen, Jesse Lee, Timothy L. Pope | 2008-07-22 |
| 7398826 | Well treatment with dissolvable polymer | Ann M. W. Hoefer, Golchehreh Salamat, Curtis L. Boney, Jesse Lee, Yiyan Chen +5 more | 2008-07-15 |
| 7380600 | Degradable material assisted diversion or isolation | Dean M. Willberg, Marina Bulova, Christopher N. Fredd, Alexey Vostrukhov, Curtis L. Boney +2 more | 2008-06-03 |
| 7287590 | Internal breaker for oilfield fluids | Belgin Baser, Carlos Abad, Yiyan Chen, Mehmet Parlar, Gregory Kubala | 2007-10-30 |
| 7219731 | Degradable additive for viscoelastic surfactant based fluid systems | J Ernest Brown, Jesse Lee, Golchehreh Salamat | 2007-05-22 |
| 7084095 | Methods for controlling the rheological properties of viscoelastic surfactants based fluids | Jesse Lee, Erik Nelson, Kevin W. England | 2006-08-01 |
| 7081439 | Methods for controlling the fluid loss properties of viscoelastic surfactant based fluids | Yenny Christanti, Isabelle Couillet, Stephen Davies, Trevor Hughes, Alexander Wilson | 2006-07-25 |
| 7066260 | Dissolving filter cake | Curtis L. Boney | 2006-06-27 |
| 6419019 | Method to remove particulate matter from a wellbore using translocating fibers and/or platelets | Bentley J. Palmer, Dean M. Willberg, Roger J. Card, J. Ernest Brown | 2002-07-16 |
| 6085844 | Method for removal of undesired fluids from a wellbore | Bentley J. Palmer, Dean M. Willberg, Patrick W. Bixenman | 2000-07-11 |