Qingdao, China

Qingfeng Liu

This inventor holds 2 USPTO granted patents. Top assignees: China University of Petroleum (East China), Qingdao University of Science and Technology, Sichuan University. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Qingfeng Liu. Retrieved from https://idiyas.com/inventor/qingfeng-liu-09ubnala

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 50.0

Average Co-Inventor Count = 11.0

ph-index = 1


Company Filing History:


Years Active: 2025-2026

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Qingfeng Liu: Innovator in Oilfield Chemistry

Introduction

Qingfeng Liu is a prominent inventor based in Qingdao, China. He has made significant contributions to the field of oilfield chemistry, particularly in the development of innovative solutions for gas channeling control during CO flooding in offshore heavy oil reservoirs. His work is characterized by a focus on enhancing the efficiency and effectiveness of oil extraction processes.

Latest Patents

Qingfeng Liu holds a patent for a CO chemical reaction viscosity-increasing type polymer surfactant designed for gas channeling control during CO flooding in offshore heavy oil reservoirs. The patent details a preparation method and the use of this surfactant, which includes structural units represented by specific formulas. The surfactant demonstrates high CO gas channeling plugging strength, excellent chemical stability, and desirable heavy oil viscosity reduction performance. He has 1 patent to his name.

Career Highlights

Throughout his career, Qingfeng Liu has worked with notable institutions such as China University of Petroleum and Qingdao University of Science and Technology. His research and innovations have significantly impacted the oilfield chemistry sector, providing new methodologies for improving oil recovery processes.

Collaborations

Qingfeng Liu has collaborated with esteemed colleagues, including Guang Zhao and Jia Chen. Their joint efforts have contributed to advancements in the field and have fostered a collaborative environment for innovation.

Conclusion

Qingfeng Liu's contributions to oilfield chemistry through his innovative patent and collaborative efforts highlight his role as a key inventor in the industry. His work continues to influence the methods used in oil extraction, showcasing the importance of innovation in addressing complex challenges in the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…