Sun; Baojiang

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sun; Baojiang.The latest application filed is for "well structure for natural gas hydrate production".

Company Profile

6.13.6

Sun; Baojiang - Qingdao CN
Sun; Baojiang - Shandong CN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Well structure for natural gas hydrate production Grant 11,401,785 - Sun , et al. August 2, 2	2022-08-02
Method and equipment for optimizing hydraulic parameters of deepwater managed pressure drilling in real time Grant 11,203,922 - Sun , et al. December 21, 2	2021-12-21
Well Structure for Natural Gas Hydrate Production App 20210254438 - Sun; Baojiang ; et al.	2021-08-19
Active control method and control device for wellbore pressure in the open-cycle drilling of marine natural gas hydrates Grant 11,002,126 - Wang , et al. May 11, 2	2021-05-11
Active control method and control device for wellbore pressure in the open-cycle drilling of marine natural gas hydrates App 20210087918 - Wang; Zhiyuan ; et al.	2021-03-25
Well killing method and device for a fractured formation without safety pressure window by five-step bullheading Grant 10,408,014 - Sun , et al. Sept	2019-09-10
Control method and control device for drilling operations Grant 10,337,267 - Wang , et al.	2019-07-02
Anti-settling Apparatus and Method and Apparatus for Checking the Same, and Apparatus for Preventing Settlement of Well App 20190178046 - WANG; Zhiyuan ; et al.	2019-06-13
Homocentric squares-shaped well structure for marine hydrate reserve recovery utilizing geothermal heat and method thereof Grant 10,267,129 - Sun , et al.	2019-04-23
Kick information identification apparatus and method assisted for wellbore pressure control during horizontal drilling Grant 9,631,444 - Sun , et al. April 25, 2	2017-04-25
Surface layer conductor running tool for deep-water well drilling Grant 9,631,450 - Sun , et al. April 25, 2	2017-04-25
Wellbore pressure control system and method for offshore well cementation stages Grant 9,631,454 - Sun , et al. April 25, 2	2017-04-25
Foam stabilizer composition, foamed cement slurry and additive composition thereof Grant 9,624,420 - Wang , et al. April 18, 2	2017-04-18
Apparatus And Method For Monitoring Hydrate Decomposition Area Under Different Drilling And Production Processes App 20170101853 - GAO; Yonghai ; et al.	2017-04-13
Experimental apparatus for studying gas invasion and migration mechanism in oil and gas wellbores Grant 9,612,187 - Sun , et al. April 4, 2	2017-04-04
Surface Layer Conductor Running Tool For Deep-water Well Drilling App 20170089161 - Sun; Baojiang ; et al.	2017-03-30
Device And Method For Measuring Supercritical Carbon Dioxide Fracturing Fluid Throttling Coefficient Under Different Viscosities App 20170089850 - Wang; Jintang ; et al.	2017-03-30
Subsea wellhead pressure indicating and automatic adjusting device for deep-water dual-gradient drilling Grant 9,605,499 - Sun , et al. March 28, 2	2017-03-28
Device and method for measuring supercritical carbon dioxide fracturing fluid throttling coefficient under different viscosities Grant 9,594,038 - Wang , et al. March 14, 2	2017-03-14

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.