Issued Patents 2021
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11186763 | Acid sensitive emulsifier for use in subterranean treatment operations | Li Guo, William Walter Shumway, Kingsley Ihueze Nzeadibe | 2021-11-30 |
| 11181660 | Evaluating drill-in fluid performance in a wellbore | Philip D. Nguyen, Weijun Guo | 2021-11-23 |
| 11168241 | Downhole fluids and methods of use thereof | Vivek S. Goel, Peter Boul, Xueyu Pang, Lee J. Hall, Samuel J. Lewis +3 more | 2021-11-09 |
| 11111427 | Selective salt management for wellbore fluids using microgel particles | William Walter Shumway, Lee J. Hall, Xiaobo Hu, Sergey Sheyko | 2021-09-07 |
| 11098237 | Compositions for delayed acid generation for high temperature applications and methods of making and using same | Hui Zhou, Eliane Padua Oliveira | 2021-08-24 |
| 11091681 | Methods of making and using a superabsorbent polymer fluid | Nivika Rajendra Gupta, Edwin Gnanakumar Solomon Raja | 2021-08-17 |
| 11060400 | Methods to activate downhole tools | Dale E. Jamison, William Walter Shumway, Preston Andrew May | 2021-07-13 |
| 11015103 | Nanocelluloses and biogums for viscosity modification | Lee J. Hall, Orlando Rojas, Carlos Luis Salas Araujo | 2021-05-25 |
| 11001740 | Additives to reduce the crystallization temperature of brines and methods of use | Jessica Paola Ramirez Angulo, Chesnee Lae Davis | 2021-05-11 |
| 10995259 | Low density gas hydrate inhibitor | Chesnee Lae Davis, Jessica Paola Ramirez Angulo | 2021-05-04 |
| 10995258 | Removing filter cake with delayed enzymatic breakers | Hui Zhou, William Walter Shumway | 2021-05-04 |
| 10954423 | Wellbore servicing compositions and methods of making and using same | Nicholas Charles Braley, Anthony M. Badalamenti | 2021-03-23 |
| 10934835 | Chemically tagged drilling fluid additives | William Walter Shumway, Adam Dotson, Kevin Gregory Kleinguetl, Brice Aaron Jackson, Lawrence Joseph Herskowitz | 2021-03-02 |
| 10920122 | Drilling fluid composition including viscosifier and method of using the same | Hui Zhou | 2021-02-16 |
| 10883037 | Crosslinked n-vinylpyrrolidone polymers for use in subterranean formations and wells | Hui Zhou, Chesnee Lae Davis | 2021-01-05 |