Inventor · disambiguated record
Baojiang Sun
Also filed as: SUN BAOJIANG
25 granted patents·2 pending applications·231 citations·filing 2016–2025
95Inventor score
Top patents by PatentIndex Score
27 records- 0197US9598936B1Apparatus and method for monitoring hydrate decomposition area under different drilling and production processesUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Mar 21, 2017·67 cites·9 claims
- 0297US9594038B1Device and method for measuring supercritical carbon dioxide fracturing fluid throttling coefficient under different viscositiesUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Mar 14, 2017·27 cites·5 claims
- 0395US10337267B1Control method and control device for drilling operationsUNIV CHINA PETROLEUM EAST CHINA·Filed 2018·Granted Jul 2, 2019·14 cites·10 claims
- 0494US11203922B1Method and equipment for optimizing hydraulic parameters of deepwater managed pressure drilling in real timeUNIV CHINA PETROLEUM EAST CHINA·Filed 2021·Granted Dec 21, 2021·24 cites·8 claims
- 0593US9612187B1Experimental apparatus for studying gas invasion and migration mechanism in oil and gas wellboresUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Apr 4, 2017·34 cites·9 claims
- 0692US9624420B1Foam stabilizer composition, foamed cement slurry and additive composition thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Apr 18, 2017·8 cites·20 claims
- 0791US9631454B1Wellbore pressure control system and method for offshore well cementation stagesUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Apr 25, 2017·14 cites·11 claims
- 0891US9605499B1Subsea wellhead pressure indicating and automatic adjusting device for deep-water dual-gradient drillingUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Mar 28, 2017·12 cites·8 claims
- 0990US10267129B1Homocentric squares-shaped well structure for marine hydrate reserve recovery utilizing geothermal heat and method thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2018·Granted Apr 23, 2019·12 cites·12 claims
- 1089US9631444B1Kick information identification apparatus and method assisted for wellbore pressure control during horizontal drillingUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Apr 25, 2017·9 cites·12 claims
- 1186US10408014B1Well killing method and device for a fractured formation without safety pressure window by five-step bullheadingUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Sep 10, 2019·6 cites·13 claims
- 1274US11401785B2Well structure for natural gas hydrate productionUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Aug 2, 2022·1 cites·9 claims
- 1372US11002126B2Active control method and control device for wellbore pressure in the open-cycle drilling of marine natural gas hydratesUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted May 11, 2021·1 cites·10 claims
- 1469US9631450B2Surface layer conductor running tool for deep-water well drillingUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Apr 25, 2017·2 cites·8 claims
- 1568US12030994B2Preparation method for and application of modified siloxane-based supercritical carbon dioxide thickenerUNIV CHINA PETROLEUM EAST CHINA·Filed 2022·Granted Jul 9, 2024·0 cites·11 claims
- 1660US12071849B2Device and method for simulating gas intrusion and bullheading in wellbore under different inclinationsUNIV CHINA PETROLEUM EAST CHINA·Filed 2024·Granted Aug 27, 2024·0 cites·8 claims
- 1756US12480371B1Device and method for rapidly regulating downhole pressure after kick in deepwater shallow open-circuit drillingUNIV CHINA PETROLEUM EAST CHINA·Filed 2025·Granted Nov 25, 2025·0 cites·6 claims
- 1856US12131107B2Device and method for early monitoring of gas intrusion based on pressure wave propagationUNIV CHINA PETROLEUM EAST CHINA·Filed 2024·Granted Oct 29, 2024·0 cites·9 claims
- 1955US12331602B2Well-killing system for ultra-deep well drilling with co-existence of overflow and lost circulation and operation method thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2024·Granted Jun 17, 2025·0 cites·6 claims
- 2052US12078054B2Experimental device and method for co-existence of overflow and lost circulation in fractured formation during drilling of deviated wellUNIV CHINA PETROLEUM EAST CHINA·Filed 2024·Granted Sep 3, 2024·0 cites·1 claims
- 2150US2025349107A1Method for evaluation of co2 plume distribution pattern based on image spatial moment theoryUNIV CHINA PETROLEUM EAST CHINA·Filed 2025·Application pending·0 cites
- 2247US11952869B1High-efficiency yield-increasing exploitation method for natural gas hydratesUNIV CHINA PETROLEUM EAST CHINA·Filed 2023·Granted Apr 9, 2024·0 cites·9 claims
- 2346US12000245B2Apparatus for preventing and controlling secondary generation of hydrates in wellbore during depressurization exploitation of offshore natural gas hydrates and prevention and control methodUNIV CHINA PETROLEUM EAST CHINA·Filed 2023·Granted Jun 4, 2024·0 cites·8 claims
- 2442US11773709B1Drilling well underground kick processing method and device with self-feedback adjustmentUNIV CHINA PETROLEUM EAST CHINA·Filed 2022·Granted Oct 3, 2023·0 cites·6 claims
- 2539US12429415B2Microscopic and macroscopic evaluation method for dual-effect hydrate inhibitorUNIV CHINA PETROLEUM EAST CHINA·Filed 2023·Granted Sep 30, 2025·0 cites·2 claims
- 2638US2019178046A1Anti-settling Apparatus and Method and Apparatus for Checking the Same, and Apparatus for Preventing Settlement of WellUNIV CHINA PETROLEUM EAST CHINA·Filed 2018·Application pending·0 cites
- 2723US12000222B2Pressure compensation device with accumulator group for controlled pressure drillingCNPC BOHAI DRILING ENGINEERING COMPANY LTD·Filed 2020·Granted Jun 4, 2024·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →