Issued Patents 2017
Showing 1–5 of 5 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, Yinbo He, Deli Gao, Xianzhu Wu, Lili Yang +9 more | 2017-12-05 |
| 9790417 | High-density water-based drilling fluid suitable for horizontal shale gas wells | Guancheng Jiang, Yinbo He, Fan Liu, Lili Yang, 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, Yinbo He, Deli Gao, Xianzhu Wu, Lili Yang +6 more | 2017-10-10 |
| 9783726 | Environment-friendly water-based drilling fluid applicable to horizontal shale gas wells | Guancheng Jiang, Yinbo He, Deli Gao, Xianzhu Wu, Lili Yang +6 more | 2017-10-10 |
| 9705200 | Traveling-wave loop antenna based on metal ring cavity for generating radio frequency orbital angular momentum | Shilie Zheng, Hao Chi, Xiaofeng Jin | 2017-07-11 |