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China National Offshore Oil Corporation

USPTO Granted Patents = 29

CIPO Patents = 1

Trademarks = 4

Forward Citations = 39

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144 inventors (with patents filed for the assignee):

Yongren Feng (14 out of 18 patents)

Tiemin Liu (8 out of 9 patents)

Xiaodong Chu (8 out of 9 patents)

4. Zhibin Tian (8 out of 9 patents)

5. Zanqing Wei (7 out of 8 patents)

6. Tao Lu (6 out of 7 patents)

7. Lin Huang (6 out of 9 patents)

8. Xingfang Wu (5 out of 7 patents)

9. Guiqing Hao (4 out of 4 patents)

10. Yong Jiang (4 out of 5 patents)

11. Liping Liu (3 out of 3 patents)

12. Minggao Zhou (3 out of 4 patents)

13. Xiaofei Qin (3 out of 4 patents)

14. Bin Xie (2 out of 6 patents)

15. Qiang Yu (2 out of 15 patents)

29 patents: Sort by Forward Citations

1. 12320942 - Sensor module, sensor assembly and acoustic logging tool (2025-06-03),

2. 12235194 - Coring device (2025-02-25),

3. 12188919 - Method and system for measuring composition and property of formation fluid (2025-01-07),

4. 12025159 - Hydraulic power system for downhole device and downhole device (2024-07-02),

5. 12012816 - Core detection device of coring instrument and spacer insertion device (2024-06-18),

6. 11905829 - Integrated logging instrument for coring and sampling (2024-02-20),

7. 11739603 - Core detection device of coring instrument (2023-08-29),

8. 11714026 - Vibration detection apparatus applied to nuclear magnetic resonance while drilling instrument (2023-08-01),

9. 11118733 - Three-dimensional layoutlayout method for splicing vault plates of large LNG storage tank (2021-09-14),

10. 11028658 - Horizontal-to-vertical drilling module for deep well (2021-06-08),

11. 10941333 - Heavy oil activator and preparation method and use thereof (2021-03-09),

12. 10619108 - Method for simulated moving bed to adsorb and separate polycyclic aromatic hydrocarbons (2020-04-14),

13. 10381899 - Sidewall coring structure directly driven by an electric motor (2019-08-13),

14. 10295083 - Real-time analysis system for operation of working ship based on ship attitude measurement (2019-05-21),

15. 10236667 - Wire follow-up protection structure of electric reducer (2019-03-19),

China National Offshore Oil Corporation (CNOOC) is China's largest producer of offshore crude oil and natural gas. As one of the country's major national oil companies, CNOOC primarily focuses on the exploration, development, and production of oil and gas resources in offshore areas. With extensive operational experience, advanced technology, and a large portfolio of exploration and production assets, CNOOC plays a vital role in China's energy industry, contributing to national economic growth and energy security.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

29 Patents

#127 in Beijing

#938 in China

#21,858 in the World

China National Offshore Oil Corporation

Forward Citations = 39

144 inventors:

Yongren Feng (14 out of 18 patents)

Tiemin Liu (8 out of 9 patents)

Xiaodong Chu (8 out of 9 patents)

4. Zhibin Tian (8 out of 9 patents)

5. Zanqing Wei (7 out of 8 patents)

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