Guangyan Du

Title: Innovations of Guangyan Du in Phase Change Fracturing Technology

Introduction

Guangyan Du is a notable inventor based in Chengdu, China. He has made significant contributions to the field of phase change fracturing technology. With a total of 2 patents, his work focuses on enhancing the efficiency and effectiveness of hydraulic fracturing processes.

Latest Patents

One of Guangyan Du's latest patents is a phase change fracturing fluid system designed for phase change fracturing. This invention includes various components in specific weight percentages, such as 10%-40% supramolecular construction unit, 0-40% supramolecular function unit, and other additives. The supramolecular construction unit can be melamine or triallyl isocyanurate, while the function unit may include vinyl acetate or acrylonitrile. The solvent options include methylbenzene and xylene variants. The process involves initially using a conventional fracturing fluid, followed by the injection of the phase change fracturing fluid into the formation.

Another significant patent is the phase-change hydraulic fracturing process. This process consists of several steps, starting with the injection of clean water or conventional fracturing fluid to fracture the formation. It then involves the simultaneous injection of non-phase-change and phase-change liquids in a specific volume ratio. The process concludes with well shut-in and pressure-out steps to ensure solid-phase materials generated by the phase-change liquid are effectively laid in the fracture.

Career Highlights

Guangyan Du is affiliated with Southwest Petroleum University, where he continues to advance research in petroleum engineering and fracturing technologies. His innovative approaches have garnered attention in the industry, contributing to the development of more efficient extraction methods.

Collaborations

Guangyan Du has collaborated with notable colleagues, including Liqiang Zhao and Yong Yang. Their combined expertise enhances the research and development efforts in the field of hydraulic fracturing.

Conclusion

Guangyan Du's contributions to phase change fracturing technology demonstrate his commitment to innovation in the petroleum industry. His patents reflect a deep understanding of the complexities involved in hydraulic fracturing processes. Through his work, he continues to influence advancements in extraction techniques and fluid systems.