Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10934211 | Modified sodium bentonite clays for barrier layer applications | Preston Andrew May | 2021-03-02 |
| 10597571 | Copolymer surfactants for use in downhole fluids | Shantel J. Stone | 2020-03-24 |
| 10377938 | Nanoparticle smart tags in subterranean applications | Diptabhas Sarkar, Charles R. Landis | 2019-08-13 |
| 10233374 | Polymer-based drilling fluids containing non-biodegradable materials and methods for use thereof | Preston Andrew May | 2019-03-19 |
| 10094181 | Fluid loss additive package for shallow well drilling fluids | Preston Andrew May | 2018-10-09 |
| 10066144 | Copolymer surfactants for use in downhole fluids | Shantel J. Stone | 2018-09-04 |
| 9790416 | Drilling fluid compositions and methods for use thereof in subterranean formations | Laura P. Kuri, Charles R. Landis, David M. Donald | 2017-10-17 |
| 9758433 | Thermally enhanced HDD grout | Joshuah S. Hathcox | 2017-09-12 |
| 9567508 | Dry drilling fluid additives and methods relating thereto | Thomas S. Cortner, Preston Andrew May | 2017-02-14 |
| 9102861 | Cement compositions for cementing in confined locales and methods for use thereof | Shantel J. Stone, Charles R. Landis | 2015-08-11 |
| 8851746 | Geothermal heating and/or cooling system grout testing | Shantel J. Stone, Laura P. Kuri | 2014-10-07 |