Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429415 | Microscopic and macroscopic evaluation method for dual-effect hydrate inhibitor | Zhiyuan Wang, Jihao Pei, Zhengfeng Shan, Longqiao Chen, Jianbo Zhang +1 more | 2025-09-30 |
| 12331602 | Well-killing system for ultra-deep well drilling with co-existence of overflow and lost circulation and operation method thereof | Bangtang Yin, Kai-Ten Feng, Zhiyuan Wang, Yonghai Gao, Hao Li +2 more | 2025-06-17 |
| 12131107 | Device and method for early monitoring of gas intrusion based on pressure wave propagation | Bangtang Yin, Yuhang Pang, Tianbao DING, Zhiyuan Wang, Shujie Liu +2 more | 2024-10-29 |
| 12078054 | Experimental device and method for co-existence of overflow and lost circulation in fractured formation during drilling of deviated well | Bangtang Yin, Chi Zhang, Zhiyuan Wang, Xuliang Zhang, Yonghai Gao +2 more | 2024-09-03 |
| 12071849 | Device and method for simulating gas intrusion and bullheading in wellbore under different inclinations | Bangtang Yin, Tianbao DING, Zhiyuan Wang, Yonghai Gao, Hao Li +2 more | 2024-08-27 |
| 12030994 | Preparation method for and application of modified siloxane-based supercritical carbon dioxide thickener | Yanling Wang, Bin Liu, Lei Liang, Di Li | 2024-07-09 |
| 12000245 | Apparatus for preventing and controlling secondary generation of hydrates in wellbore during depressurization exploitation of offshore natural gas hydrates and prevention and control method | Jianbo Zhang, Zhiyuan Wang, Xiaohui Sun, Hui Liu, Shikun Tong +2 more | 2024-06-04 |
| 12000222 | Pressure compensation device with accumulator group for controlled pressure drilling | Jinshan Ma, Jintao Qi, Liming Wei, Fengliang Xi, Gang Liu +13 more | 2024-06-04 |
| 11952869 | High-efficiency yield-increasing exploitation method for natural gas hydrates | Jianbo Zhang, Zhiyuan Wang, Yuting Wang, Jie Zhong, Jihao Pei +3 more | 2024-04-09 |
| 11773709 | Drilling well underground kick processing method and device with self-feedback adjustment | Yonghai Gao, Zhiyuan Wang, Hao Li, Yufa Su, Bangtang Yin +3 more | 2023-10-03 |
| 11401785 | Well structure for natural gas hydrate production | Ove Tobias Gudmestad, Xuefeng Li, Dahui Liu, Litao Chen | 2022-08-02 |
| 11203922 | Method and equipment for optimizing hydraulic parameters of deepwater managed pressure drilling in real time | Zhiyuan Wang, Shujie Liu, Yonghai Gao, Baitao FAN, Hao Li +5 more | 2021-12-21 |
| 11002126 | Active control method and control device for wellbore pressure in the open-cycle drilling of marine natural gas hydrates | Zhiyuan Wang, Jianbo Zhang, Wenqiang Lou, Xiaohui Sun, Zheng Liu +1 more | 2021-05-11 |
| 10408014 | Well killing method and device for a fractured formation without safety pressure window by five-step bullheading | Xueqing Teng, Yaoming Zhang, Zhiyuan Wang, Hongtao Liu, Jianbo Zhang +1 more | 2019-09-10 |
| 10337267 | Control method and control device for drilling operations | Zhiyuan Wang, Shaowei Pan, Jianbo Zhang, Jing Yu | 2019-07-02 |
| 10267129 | Homocentric squares-shaped well structure for marine hydrate reserve recovery utilizing geothermal heat and method thereof | Ye Chen, Zhiyuan Wang, Litao Chen, Yonghai Gao, Jiafang Xu +1 more | 2019-04-23 |
| 9631454 | Wellbore pressure control system and method for offshore well cementation stages | Xuerui Wang, Yingwen Ma, Yonghai Gao | 2017-04-25 |
| 9631444 | Kick information identification apparatus and method assisted for wellbore pressure control during horizontal drilling | Xiaohui Sun, Zhiyuan Wang, Jianliang Zhou | 2017-04-25 |
| 9631450 | Surface layer conductor running tool for deep-water well drilling | Ning Zhang, Hao Li, Yonghai Gao, Guomin Yan, Mingzhao Huang +1 more | 2017-04-25 |
| 9624420 | Foam stabilizer composition, foamed cement slurry and additive composition thereof | Chengwen Wang, Ruihe Wang, Weidong Zhou | 2017-04-18 |
| 9612187 | Experimental apparatus for studying gas invasion and migration mechanism in oil and gas wellbores | Yanli Guo, Hao Li, Linsong Song | 2017-04-04 |
| 9605499 | Subsea wellhead pressure indicating and automatic adjusting device for deep-water dual-gradient drilling | Zhennan Zhang, Zhiyuan Wang, Ning Wang, Xuerui Wang, Guomin Yan +1 more | 2017-03-28 |
| 9598936 | Apparatus and method for monitoring hydrate decomposition area under different drilling and production processes | Yonghai Gao, Ye Chen, Wenchao Sun, Hao Li | 2017-03-21 |
| 9594038 | Device and method for measuring supercritical carbon dioxide fracturing fluid throttling coefficient under different viscosities | Jintang Wang, Yun Liu, Zhiyuan Wang, Hao Li, Jianbo Zhang | 2017-03-14 |