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Southwest Petroleum University

USPTO Granted Patents = 321

CIPO Patents = 4

EPO Patents = 3

Forward Citations = 133

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1,216 inventors (with patents filed for the assignee):

Jinzhou Zhao (28 out of 29 patents)

Yang Bai (27 out of 66 patents)

Yongming Li (26 out of 27 patents)

4. Pingya Luo (22 out of 22 patents)

5. Guorong Wang (21 out of 28 patents)

6. Qingyou Liu (20 out of 31 patents)

7. Jianchun Guo (19 out of 20 patents)

8. Jialin Tian (15 out of 15 patents)

9. Wanfen Pu (14 out of 15 patents)

10. Yang Tang (13 out of 15 patents)

11. Gao Li (12 out of 12 patents)

12. Rui Liu (12 out of 15 patents)

13. Yijian Chen (11 out of 11 patents)

14. Shouwei Zhou (11 out of 11 patents)

15. Lin Yang (11 out of 16 patents)

Core Competencies:

Seismic Data Processing

Water Injection Optimization

Gas Diffusion Coefficient

Contamination-Resistant Additives

Fractured Gas Reservoir Analysis

Directional Drilling Technology

Hydraulic Fracturing Techniques

Nanofluid Applications

Fractal Dimension Calculation

Drilling Fluid Solutions

Well Integrity Evaluation

Polycrystalline Diamond Compact

321 patents: Sort by Forward Citations

1. 12509621 - Method for preparing heat-conductive cement slurry for well cementation (2025-12-30),

2. 12503939 - Sealing performance simulation method for cement sheath considering wellbore filter cake and fracturing working conditions (2025-12-23),

3. 12503652 - Method for correcting movable hydrocarbon content of high gas-oil ratio shale oil based on phase behavior and rock pyrolysis (2025-12-23),

4. 12492603 - Intelligent impact casing reshaping tool (2025-12-09),

5. 12487373 - Denoising methods and systems for preserving amplitude variation with offset (AVO) features of pre-stack seismic data (2025-12-02),

6. 12486744 - Methods for optimizing multi-cycle pressure- separated water injection in oilfields based on improved butterfly algorithms (2025-12-02),

7. 12485444 - Efficient generation and performance evaluation device of foam under high temperature and high pressure (2025-12-02),

8. 12480854 - Device and method for determining gas diffusion coefficient in rocks (2025-11-25),

9. 12473483 - Low-molecular-weight composite contamination-resistant additive for well cementing (2025-11-18),

10. 12449563 - Stress sensitivity analysis method for fractured gas reservoir (2025-10-21),

11. 12436142 - Method of preparing degassed oil representative of live oil with equivalent minimum miscible pressure (2025-10-07),

12. 12436141 - Method for quantitative evaluation of self-sealing property of organic-rich shale (2025-10-07),

13. 12435569 - Directional well hydraulic clutch drill string full rotation controller (2025-10-07),

14. 12427452 - Independent double-negative-pressure shale shaker (2025-09-30),

15. 12422333 - Dual-dial measurement device and measurement method for viewing angle measurement of optical component (2025-09-23),

Southwest Petroleum University (SWPU) is a leading university in China specializing in petroleum, geology, natural gas, and petrochemical engineering. Founded in 1958, SWPU is located in Chengdu, Sichuan Province. It is known for its high-quality education, advanced research facilities, and industry collaborations. The university offers various undergraduate, postgraduate, and doctoral programs, with a focus on petroleum-related disciplines. SWPU is committed to nurturing talent, conducting cutting-edge research, and promoting sustainable development in the energy sector.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

321 Patents

#2 in Sichuan

#113 in China

#2,720 in the World

Southwest Petroleum University

Forward Citations = 133

1,216 inventors:

Jinzhou Zhao (28 out of 29 patents)

Yang Bai (27 out of 66 patents)

Yongming Li (26 out of 27 patents)

4. Pingya Luo (22 out of 22 patents)

5. Guorong Wang (21 out of 28 patents)

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