Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447589 | Temperature-resistant and anti-collapse multi-branched polymer fluid loss reducer and preparation method thereof | Aibin Wu, Weichu Yu, Ying Zhang, Shanwen Yu | 2022-09-20 |
| 11408264 | Volumetric fracturing method of temporarily plugging and diverting through functional slick water with oil displacement agent injected simultaneously | Weichu Yu, Ying Zhang, Rui Li, Hui Zhao, Lei Zhang +4 more | 2022-08-09 |
| 11352866 | Enhanced oil recovery method with single well huff and puff and inter-segment oil displacement after horizontal well fracturing | Weichu Yu, Ying Zhang, Fei Ding, Lei Zhang, Jianglu Jing +10 more | 2022-06-07 |
| 11246848 | Three-dimensional cage-like hyperbranched monomer, and preparation method and application thereof | Weichu Yu, Jizhao Xing, Aibin Wu, Yaolu Li | 2022-02-15 |