Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421443 | Viscosity reducer compositions, methods for producing, and methods of using | Shaohua Chen, Abdulkareem AlSofi | 2025-09-23 |
| 12399165 | On-line core holder design for polymer quality testing device | Jinxun Wang, Abdulaziz AlKhateeb, Abdulkareem AlSofi | 2025-08-26 |
| 12391866 | Surfactant mixtures for enhanced oil recovery | Limin Xu, Tianping Huang | 2025-08-19 |
| 12379299 | Methods and systems for a parallel flow core sample holder | Jinxun Wang, Abdulkareem M. Al-Sofi | 2025-08-05 |
| 12352618 | Demodulation of fiber optic sensors | — | 2025-07-08 |
| 12221883 | Compact apparatus for quick core flood tests and method of use | Jinxun Wang | 2025-02-11 |
| 12152194 | Low surface tension surfactant system for enhancing flow-back performance | Ziyuan Qi, Rajendra Arunkumar Kalgaonkar, Mohammed Abdullah Bataweel | 2024-11-26 |
| 12139664 | Thermal stimuli-responsive surfactants for enhanced oil recovery | Limin Xu, Tianping Huang | 2024-11-12 |
| 12049529 | Synthesis of a cationic surfmer and its copolymers for enhanced oil recovery | Xuan Zhang, Limin Xu | 2024-07-30 |
| 11993553 | Preparation of cationic surfactants | Xuan Zhang, Jinxun Wang | 2024-05-28 |
| 11993747 | Treatment of subterranean formations | Zuhair Al-Yousif, Abdulaziz S. Al-Qasim, Shaohua Chen, Tianping Huang | 2024-05-28 |
| 11906417 | Restoring core samples | Ying-Chih Wang, Dongqing Cao, Jinxun Wang | 2024-02-20 |
| 11867039 | Alternating microsphere and smartwater injection for enhanced oil recovery | Subhash Chandrabose Ayirala, Dongqing Cao, Saleh Hamad Al-Salah, Ali Yousef | 2024-01-09 |
| 11867038 | Thickened CO2 in gravity drainage gas injection processes | Zuhair Al-Yousif, Subhash Chandrabose Ayirala, Muhammad M. Almajid, Dong Kyu Cha | 2024-01-09 |
| 11820842 | Sulfonated polymer | Xuan Zhang, Jian Hou, Jinxun Wang | 2023-11-21 |
| 11795374 | Composition and method of making cationic surfactants with two quaternary ammonium head groups | Xuan Zhang, Jinxun Wang, Dongqing Cao | 2023-10-24 |
| 11746274 | Ionic liquid monomer for synthesis of friction reducer and methods thereof | Xuan Zhang, Jose I. Rueda, Mohammed Abudullah Bataweel, Ziyuan Qi | 2023-09-05 |
| 11747133 | Demodulation of fiber optic interferometric sensors | — | 2023-09-05 |
| 11739620 | Methodology to improve the efficiency of gravity drainage CO2 gas injection processes | Subhash Chandrabose Ayirala, Zuhair AlYousef, Dong Kyu Cha, Muhammad M. Almajid, Ali Abdallah Alyousef | 2023-08-29 |
| 11697700 | Synthesis of a cationic surfmer and its copolymers for enhanced oil recovery | Xuan Zhang, Limin Xu | 2023-07-11 |
| 11649397 | Polyaromatic hydrocarbon-based host-guest complex for heavy crude oil viscosity reduction | Shaohua Chen, Abdulkareem AlSofi | 2023-05-16 |
| 11591292 | Preparation of cationic surfactants | Xuan Zhang, Jinxun Wang | 2023-02-28 |
| 11591291 | Preparation of cationic surfactants | Xuan Zhang, Jinxun Wang | 2023-02-28 |
| 11590708 | Three-dimensional fluid micromodels | Ali Alkhatib, Amar Jaber M. Alshehri | 2023-02-28 |
| 11530348 | Ionic liquid enhanced surfactant solution for spontaneous imbibition in fractured carbonate reservoirs | Ziyuan Qi | 2022-12-20 |