Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12241016 | High temperature high salt low end rheology modifiers | JANINE SHIPMAN, Meng Lu | 2025-03-04 |
| 12049588 | Delayed gelation polymer system for high temperature and high salinity applications | Meng Lu, Danhua Zhang, Fuchen Liu, Nancy Zhou, Jianshen Li | 2024-07-30 |
| 11851606 | Lost circulation test method for expandable geopolymers | Meng Lu, JANINE SHIPMAN | 2023-12-26 |
| 11492531 | Sand consolidation with a curable resin and filtercake removal fluid | Jay Paul Deville, Philip D. Nguyen, Michael W. Sanders | 2022-11-08 |
| 11268006 | Crosslinked polymer compositions and methods for use in subterranean formation operations | Hui Zhou | 2022-03-08 |
| 11162019 | Crosslinked polymer compositions for use in subterranean formation operations | Kay Ann Galindo, William Walter Shumway | 2021-11-02 |
| 11041106 | Star macromolecules for wellbore applications | Hui Zhou | 2021-06-22 |
| 10752822 | Crosslinked polymer compositions and methods for use in subterranean formation operations | Hui Zhou | 2020-08-25 |
| 10662371 | Crosslinked polymer compositions for use in subterranean formation operations | Kay Ann Galindo, William Walter Shumway | 2020-05-26 |
| 10640693 | Star macromolecules for wellbore applications | Hui Zhou | 2020-05-05 |
| 10508229 | Crosslinked polymers including sulfonic acid groups or salts or esters thereof as viscosifiers and fluid loss additives for subterranean treatment | Hui Zhou, Jay Paul Deville | 2019-12-17 |
| 10501675 | Fluid loss additive for water based drilling fluids with improved thermal stability | Hui Zhou | 2019-12-10 |
| 10407526 | Crosslinked polymer compositions with two crosslinkers for use in subterranean formation operations | Hui Zhou, Kay Ann Galindo | 2019-09-10 |
| 10336850 | Methods of use for crosslinked polymer compositions in subterranean formation operations | Kay Ann Galindo, Hui Zhou | 2019-07-02 |
| 10273397 | Synthetic crosslinked polymer additive for use in subterranean treatment fluids | Hui Zhou | 2019-04-30 |
| 10179872 | Fluid loss additive for water based drilling fluids with improved thermal stability | Hui Zhou | 2019-01-15 |
| 10113098 | Composition including viscosifier polymer and polyamine viscosity modifier for treatment of subterranean formations | Kay Ann Galindo, Jay Paul Deville, Hui Zhou | 2018-10-30 |
| 10000683 | Drilling fluids with crosslinked sulfonate-containing polymers dispersed in high density brines | Kay Ann Galindo, Hui Zhou | 2018-06-19 |
| 9938446 | Wellbore service fluid | — | 2018-04-10 |
| 9926481 | Polymeric viscosifiers for use in water-based drilling fluids | Kay Ann Galindo, Jay Paul Deville | 2018-03-27 |
| 9701882 | Composition including viscosifier polymer and polyamine viscosity modifier for treatment of subterranean formations | Kay Ann Galindo, Jay Paul Deville, Hui Zhou | 2017-07-11 |
| 9410069 | Ethylene viscosifier polymer for treatment of a subterranean formation | Hui Zhou | 2016-08-09 |