Issued Patents 2023
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11828693 | Centrifuge method for evaluating contact angle and wettability alteration | Jun Gao, Abdulkareem AlSofi | 2023-11-28 |
| 11820842 | Sulfonated polymer | Xuan Zhang, Ming Han, Jian Hou | 2023-11-21 |
| 11795374 | Composition and method of making cationic surfactants with two quaternary ammonium head groups | Xuan Zhang, Ming Han, Dongqing Cao | 2023-10-24 |
| 11774436 | Method for determining foam stability in a core plug | Abdulkareem M. Al-Sofi | 2023-10-03 |
| 11661829 | Sequential injection of solvent, hot water, and polymer for improving heavy oil recovery | Abdulkareem AlSofi, Saleh F. Hassan | 2023-05-30 |
| 11614391 | Evaluating gel stability by injection in alternating flow directions | Abdulkareem M. Al-Sofi | 2023-03-28 |
| 11591291 | Preparation of cationic surfactants | Xuan Zhang, Ming Han | 2023-02-28 |
| 11591292 | Preparation of cationic surfactants | Xuan Zhang, Ming Han | 2023-02-28 |