Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11787996 | Wellbore cleaner for use in displacement trains | Emily Hart, Hui Zhou | 2023-10-17 |
| 11591510 | Wellbore cleaner for use in displacement trains | Emily Hart, Hui Zhou | 2023-02-28 |
| 11414989 | Optical analysis of wellbore fluid demulsifiers | Li Guo, Jay Paul Deville, William Walter Shumway | 2022-08-16 |
| 11162019 | Crosslinked polymer compositions for use in subterranean formation operations | Weibin Zha, William Walter Shumway | 2021-11-02 |
| 11021640 | Hydrophobically-treated particulates for improved fluid rheology | William Walter Shumway, Jessica Paola Ramirez Angulo | 2021-06-01 |
| 10662371 | Crosslinked polymer compositions for use in subterranean formation operations | Weibin Zha, William Walter Shumway | 2020-05-26 |
| 10428258 | Barrier pills | Sandeep D. Kulkarni, Matthew L. Miller, Dale E. Jamison, Jessica Paola Ramirez Angulo, William Walter Shumway | 2019-10-01 |
| 10407526 | Crosslinked polymer compositions with two crosslinkers for use in subterranean formation operations | Weibin Zha, Hui Zhou | 2019-09-10 |
| 10336850 | Methods of use for crosslinked polymer compositions in subterranean formation operations | Weibin Zha, Hui Zhou | 2019-07-02 |
| 10259983 | Fluorinated packer fluids | Jay Paul Deville | 2019-04-16 |
| 10190033 | Salt-free fluorous-invert emulsion fluid | Jay Paul Deville | 2019-01-29 |
| 10113098 | Composition including viscosifier polymer and polyamine viscosity modifier for treatment of subterranean formations | Weibin Zha, Jay Paul Deville, Hui Zhou | 2018-10-30 |
| 10000683 | Drilling fluids with crosslinked sulfonate-containing polymers dispersed in high density brines | Hui Zhou, Weibin Zha | 2018-06-19 |
| 9957432 | Wellbore fluid additives of fibrillated fibers and methods of use | Matthew L. Miller | 2018-05-01 |
| 9926481 | Polymeric viscosifiers for use in water-based drilling fluids | Weibin Zha, Jay Paul Deville | 2018-03-27 |
| 9879172 | Modified hydroxyethyl cellulosic polymers for improved well bore fluids and related uses | Samuel James Maguire-Boyle | 2018-01-30 |
| 9845647 | Viscosifiers and filtration control agents for use in high temperature subterranean operations | Jay Paul Deville | 2017-12-19 |
| 9797213 | Wellbore fluids comprising hydrated inorganic oxide materials and associated methods | Matthew L. Miller, Robert J. Murphy | 2017-10-24 |
| 9790413 | Fluorous additives for use in a fluorous-based treatment fluid | Jay Paul Deville, Greg Paul Perez | 2017-10-17 |
| 9701882 | Composition including viscosifier polymer and polyamine viscosity modifier for treatment of subterranean formations | Weibin Zha, Jay Paul Deville, Hui Zhou | 2017-07-11 |