Issued Patents 2017
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834717 | Drilling fluid additive composition and pseudo oil-based drilling fluid suitable for horizontal shale gas wells | Guancheng Jiang, Xianmin Zhang, Deli Gao, Xianzhu Wu, Lili Yang +9 more | 2017-12-05 |
| 9790415 | Modified silicon dioxide nano-particles and preparation method thereof, and drilling fluid suitable for shale gas wells | Guancheng Jiang, Qingying Ge, Lili Yang, Fan Liu, Yuxiu An +7 more | 2017-10-17 |
| 9790417 | High-density water-based drilling fluid suitable for horizontal shale gas wells | Guancheng Jiang, Fan Liu, Lili Yang, Xianmin Zhang, Deli Gao +10 more | 2017-10-17 |
| 9783725 | Drilling fluid additive composition and water-based drilling fluid suitable for horizontal shale gas wells | Guancheng Jiang, Deli Gao, Xianmin Zhang, Xianzhu Wu, Lili Yang +6 more | 2017-10-10 |
| 9783726 | Environment-friendly water-based drilling fluid applicable to horizontal shale gas wells | Guancheng Jiang, Deli Gao, Xianmin Zhang, Xianzhu Wu, Lili Yang +6 more | 2017-10-10 |
| 9745501 | Additive composition suitable for viscosity reduction of oil-based drilling fluid, oil-based drilling fluid and use thereof | Guancheng Jiang, Shuanglei Peng, Zhengqiang Deng, Lili Yang, Fan Liu +8 more | 2017-08-29 |