Inventor
JINHAI ZHAO
Inventor
CN
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling55%
E21CMining or quarrying9%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels5%
F16LPipes5%
F24TGeothermal collectors5%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock5%
G01RMeasuring electric variables5%
G01VGeophysics5%
G06FElectric digital data processing5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
PatentTitleYear
12,060,958Pure electric modular subsea test tree202411,946,374Omni-directional horizontally orientaed deflecting tool for coiled tubing202411,828,177Comprehensive utilization method and test equipment for surface water, goaf and geothermal energy in coal mining subsidence area202311,746,640Solid fluidization tubular separator for marine natural gas hydrate202311,732,551Fully electrically controlled intelligent subsurface safety valve202311,542,789Cavity creation tool by crushing with multi-stage controllable water jet for natural gas hydrate development202311,506,033Oil extraction and gas production method capable of in-situ sand control and removal by downhole hydraulic lift202211,434,727In situ exploitation-separation-backfilling integration apparatus used for natural gas hydrates202211,372,128Method and system for detecting downhole magnetic interference on measurement while drilling operations202211,225,863Method for controlling a drilling system202211,225,864Method for controlling MWD tool in bottom hole assembly202211,187,076Central storage unit for a measuring-while-drilling assembly for an oil drilling system202111,180,965Autonomous through-tubular downhole shuttle2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2022Patents assigned to CHINA PETROLEUM & CHEM CORP (5)· patent assignee history
2021–2022Based in US· patent location history
2022–2024Patents assigned to UNIV SOUTHWEST PETROLEUM (7)· patent assignee history
2022Patents assigned to Sinopec Tech Houston (1)· patent assignee history
2022–2024Based in CN· patent location history
2023Patents assigned to SOUTHERN MARINE SCIENCE AND ENG GUANGDONG LABORATORY ZHANJIANG (2)· patent assignee history
2023Patents assigned to SOUTHERN MARINE SCIENCE AND ENG GUANGDONG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV SOUTHWEST PETROLEUM | 7 | 2022–2024 |
| CHINA PETROLEUM & CHEM CORP | 5 | 2021–2022 |
| SOUTHERN MARINE SCIENCE AND ENG GUANGDONG LABORATORY ZHANJIANG | 2 | 2023 |
| SOUTHERN MARINE SCIENCE AND ENG GUANGDONG | 1 | 2023 |
| Sinopec Tech Houston | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 8 | 2022–2024 |
| US | 5 | 2021–2022 |