Issued Patents 2016
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410071 | Oil-based viscosifier of drilling fluid and the preparation method thereof | Guancheng Jiang, Xianbin Huang, Guangchang Ma, Kun Zhang, Wei-Lin WAN | 2016-08-09 |
| 9399692 | Amphiphilic reservoir protecting agent and preparation method thereof and drilling fluid | Guancheng Jiang, Yang Xuan, Ranran Song, Xianzhu Wu, Junbin Chen +3 more | 2016-07-26 |
| 9353305 | Reservoir protecting agent composition, drilling fluid for middle permeability reservoirs and use thereof | Guancheng Jiang, Yang Xuan, Yuxiu An | 2016-05-31 |
| 9299556 | Method for preparing semiconductor substrate with insulating buried layer gettering process | Xing Wei, Zhongdang Wang, Fei Ye, Gongbai Cao, Chenglu Lin +1 more | 2016-03-29 |
| 9296936 | Preparation method of a wettability reversal agent | Guancheng Jiang, Yang Xuan, Shuo Zhang, Yuxiu An, Jinsheng Sun | 2016-03-29 |
| 9279076 | Reservoir protecting agent composition and broad-spectrum drilling liquid and use thereof | Guancheng Jiang, Yang Xuan, Shuo Zhang, Yuxiu An, Jinsheng Sun | 2016-03-08 |
| 9267068 | Protecting agent composition for high/ultra-high permeability reservoirs and drilling fluid and use thereof | Guancheng Jiang, Yang Xuan, Shuo Zhang, Yuxiu An, Jinsheng Sun | 2016-02-23 |