Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428588 | Synergistic viscosifiers for clay-free, water-based drilling fluids | Hui Zhou, William Walter Shumway | 2025-09-30 |
| 11787996 | Wellbore cleaner for use in displacement trains | Hui Zhou, Kay Ann Galindo | 2023-10-17 |
| 11591510 | Wellbore cleaner for use in displacement trains | Hui Zhou, Kay Ann Galindo | 2023-02-28 |
| 11560794 | Solvent-stabilized colorimetric detection of amine-based additives | Preston Andrew May, Jay Paul Deville | 2023-01-24 |
| 11555787 | Polymer-enhanced colorimetric detection of amine-based additives | Preston Andrew May, Jay Paul Deville | 2023-01-17 |
| 9822297 | Invertible water-in-oil latices and methods of use | Kerry Charles Brinkman | 2017-11-21 |