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Houston, TX, United States of America

Cnpc USA Corporation

USPTO Granted Patents = 93

Forward Citations = 71

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120 inventors (with patents filed for the assignee):

Peng Cheng (22 out of 22 patents)

Chris X Cheng (19 out of 19 patents)

Lijun Lin (17 out of 17 patents)

4. Fuchen Craig Liu (17 out of 17 patents)

5. Xiongwen Yang (16 out of 16 patents)

6. Jianpeng Yue (14 out of 14 patents)

7. Jiangshui Huang (14 out of 21 patents)

8. Yu Liu (13 out of 89 patents)

9. Zhenzhou Yang (12 out of 12 patents)

10. Lulu Song (11 out of 12 patents)

11. Stephanie Yu (10 out of 10 patents)

12. Jiaxiang Ren (10 out of 23 patents)

13. Jiaqing Yu (9 out of 23 patents)

14. Ming Zhang (8 out of 11 patents)

15. Marvin Allen Gregory (8 out of 14 patents)

Core Competencies:

Corrosion Resistant Alloys

Degradable Downhole Tools

Hydraulic Fracturing

Nano-Particles

Fluid-Loss-Control Additives

Packer Systems

Hybrid Battery Systems

Thermoset Composites

Polymer Fracturing Fluids

Mechanical Support Rings

Enhanced Oil Recovery

Force Modulation Systems

93 patents: Sort by Forward Citations

1. 12467123 - Boronized corrosion resistant alloy component for high pressure and high temperature oilfield applications (2025-11-11),

2. 12448863 - Molded articles of modified polyglycolic acid for degradable downhole tools application (2025-10-21),

3. 12435585 - Hydraulic control apparatus and method for a downhole tool (2025-10-07),

4. 12392704 - Apparatus and method for determining the static proppant-settling-velocity in fracturing fluids (2025-08-19),

5. 12391868 - Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive (2025-08-19),

6. 12365826 - HTHP corrosion resistant composite seal via recrystallization of reactive composite: formulation and deployment (2025-07-22),

7. 12351758 - Method of hydraulic fracturing utilizing a hydraulic fracturing fluid with a single phase liquid proppant (2025-07-08),

8. 12337428 - Force modulation cartridge system for a drill bit (2025-06-24),

9. 12325824 - Composition and method for improving the production of petroleum hydrocarbons (2025-06-10),

10. 12319872 - Treatment of subterranean formations with crosslinked fluids (2025-06-03),

11. 12312536 - Low concentration synthetic polymer fracturing fluid with ascorbic acid (2025-05-27),

12. 12252645 - Formulation and setup method of in-situ dissolvable plug (2025-03-18),

13. 12241022 - Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive (2025-03-04),

14. 12241016 - High temperature high salt low end rheology modifiers (2025-03-04),

15. 12218610 - Sensor system with an interior sensor and a piezoelectric power supply (2025-02-04),

CNPC USA CORPORATION is a subsidiary of China National Petroleum Corporation (CNPC), one of the largest integrated energy companies in the world. CNPC USA is engaged in the exploration, production, and marketing of oil and gas in the United States. With a focus on sustainable development, CNPC USA strives to contribute to the energy security and economic growth of the US by leveraging advanced technologies and expertise.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 13 2026

93 Patents

#70 in Houston, TX

#217 in Texas

#3,891 in US

#8,065 in the World

Houston, TX, United States of America

Cnpc USA Corporation

Forward Citations = 71

120 inventors:

Peng Cheng (22 out of 22 patents)

Chris X Cheng (19 out of 19 patents)

Lijun Lin (17 out of 17 patents)

4. Fuchen Craig Liu (17 out of 17 patents)

5. Xiongwen Yang (16 out of 16 patents)

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