Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10106721 | Cationic surfactants for scale inhibitor squeeze applications | Zhiwei Yue, Yang Peng, Liangwei Qu, Chunfang Fan | 2018-10-23 |
| 10059871 | Multi-tail hydrate inhibitors | Yanqui Sun, Liangwei Qu, Erick J. Acosta | 2018-08-28 |
| 9919348 | Compositions, systems, and methods for removing iron sulfide scale from oilfield components | Yang Peng, Zhiwei Yue, Liu Shi, Liangwei Qu, Chunfang Fan | 2018-03-20 |
| 9902893 | Multiple hydrophilic head hydrate inhibitors | Liangwei Qu, Yangqiu Sun, Curtis Conkle, Erick J. Acosta | 2018-02-27 |
| 9896616 | Acrylonitrile-based sulfur scavenging agents and methods of use in oilfield operations | Liu Shi, Liangwei Qu, Michael L. Harless, Ron Hoppe | 2018-02-20 |