Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11542424 | Wellbore servicing fluids and methods for controlling fluid losses in permeable zones | Shubhajit GHOSH | 2023-01-03 |
| 11186763 | Acid sensitive emulsifier for use in subterranean treatment operations | Li Guo, William Walter Shumway, Jay Paul Deville | 2021-11-30 |
| 11117072 | Ultrasonic breaking of polymer-containing fluids for use in subterranean formations | Preston Andrew May, William Walter Shumway | 2021-09-14 |
| 9297734 | Apparatus and method to test a property of a fluid | Kenneth Heidt Matthews, Dale E. Jamison | 2016-03-29 |
| 9175204 | Method for dispersing aqueous based drilling fluid for drilling subterranean boreholes | Gregory Paul Perez | 2015-11-03 |
| 8881823 | Environmentally friendly low temperature breaker systems and related methods | Natalia Collins, Stephen W. Almond, Carl Thaemlitz | 2014-11-11 |
| 8522898 | Method for dispersing aqueous based drilling fluid for drilling subterranean boreholes | Gregory Paul Perez | 2013-09-03 |
| 8453735 | Method and biodegradable water based thinner composition for drilling subterranean boreholes with aqueous based drilling fluid | Gregory Paul Perez | 2013-06-04 |