Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11946350 | Method for remotely shutting down downhole unit of rotary steering system from ground | Jing Bai, Jichuan Zhang, Dengyun Lu, Lei Li, Chongjun Huang +4 more | 2024-04-02 |
| 11225837 | Dual-speed dual—core enhanced drilling equipment | Zuo Chen, Bin LIU, Xiaofeng YANG, Sheng-Kang Yu, Jianlin Yao +10 more | 2022-01-18 |
| 10266744 | Accelerator used for drilling fluids, water-based drilling fluid and usage thereof | Guancheng Jiang, Deli Gao, Shuo Zhang, Yong Wang, Xianzhu Wu +9 more | 2019-04-23 |
| 10253237 | Film former used for coal-bed gas well drilling and preparation method thereof, drilling fluid and usage thereof | Guancheng Jiang, Deli Gao, Shuo Zhang, Yong Wang, Xianzhu Wu +9 more | 2019-04-09 |
| 10030188 | Nano-hybrid lubricant and method thereof, and oil-based drilling fluid | Guancheng Jiang, Shuanglei Peng, Yinbo He, Deli Gao, Lili Yang +4 more | 2018-07-24 |
| 10000684 | Drilling fluid additive composition, and oil-based drilling fluid and use thereof | Guancheng Jiang, Shuanglei Peng, Yinbo He, Deli Gao, Lili Yang +6 more | 2018-06-19 |
| 9834717 | Drilling fluid additive composition and pseudo oil-based drilling fluid suitable for horizontal shale gas wells | Guancheng Jiang, Xianmin Zhang, Yinbo He, Deli Gao, Xianzhu Wu +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, Xianmin Zhang +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, Xianmin Zhang, Xianzhu Wu +6 more | 2017-10-10 |
| 9783726 | Environment-friendly water-based drilling fluid applicable to horizontal shale gas wells | Guancheng Jiang, Yinbo He, Deli Gao, Xianmin Zhang, Xianzhu Wu +6 more | 2017-10-10 |
| 9638031 | Method of controlling well bore pressure based on model prediction control theory and systems theory | Zhilin LI, Bin Dong, Haifang Sun, Runde Xiao, Bo Yang +5 more | 2017-05-02 |