Issued Patents 2020
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10668510 | Compositions, systems, and methods for removing iron sulfide scale from oilfield components | Yang Peng, Funian Zhao, Zhiwei Yue, Liu Shi, Chunfang Fan | 2020-06-02 |
| 10597582 | Acrylate-based sulfur scavenging agents for use in oilfield operations | Liu Shi, Funian Zhao, Michael L. Harless, Ron Hoppe | 2020-03-24 |
| 10590333 | Cationic multiple quaternary ammonium-based surfactants for enhancing production in subterranean formations | Kai He, Funian Zhao, Liang Xu | 2020-03-17 |
| 10584275 | Compositions, systems, and methods for removing iron sulfide scale from oilfield components using methyl acrylate | Yang Peng, Zhiwei Yue, Funian Zhao, Liu Shi, Ronald L. Hoppe +1 more | 2020-03-10 |
| 10550309 | Synergistic sulfide scavenging additives for use in oilfield operations | Liu Shi, Funian Zhao, Edward Corrin | 2020-02-04 |
| 10526873 | Tagged corrosion inhibitors for use in subterranean operations | Nathan Darrell Davis | 2020-01-07 |