Issued Patents 2019
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508229 | Crosslinked polymers including sulfonic acid groups or salts or esters thereof as viscosifiers and fluid loss additives for subterranean treatment | Hui Zhou, Weibin Zha | 2019-12-17 |
| 10435612 | Thermal thickening in invert emulsion treatment fluids | Philip Wayne Livanec, Chesnee Lae Davis, Jonathan Paul Walker | 2019-10-08 |
| 10428259 | Downhole fluids and methods of use thereof | Vivek S. Goel, Peter Boul, Xueyu Pang, Lee J. Hall, Samuel J. Lewis +3 more | 2019-10-01 |
| 10414963 | High-temperature crosslinked polymer for use in a well | Hui Zhou | 2019-09-17 |
| 10407988 | Wellbore fluids comprising mineral particles and methods relating thereto | Dale E. Jamison, Charles R. Landis, Cato Russell McDaniel | 2019-09-10 |
| 10294403 | Additive of chemically-modified cellulose nanofibrils or cellulose nanocrystals | Lee J. Hall, Orlando Rojas, Carlos CARRILLO, Carlos L. Salas | 2019-05-21 |
| 10259983 | Fluorinated packer fluids | Kay Ann Galindo | 2019-04-16 |
| 10190033 | Salt-free fluorous-invert emulsion fluid | Kay Ann Galindo | 2019-01-29 |