Wanjun Li

Title: Wanjun Li: Innovator in Expandable Tubular Technology

Introduction

Wanjun Li is a renowned inventor based in Beijing, China, recognized for his contributions to the field of expandable tubular technology. With a total of two patents to his name, his work has significantly impacted the oil and gas industry, particularly in drilling operations.

Latest Patents

Wanjun Li's latest patents showcase his innovative approach to enhancing expandable tubular systems. One of his patents describes an "Expansion Tool Assembly for Expandable Tubular," which includes an expandable tubular connected to a guide shoe and a sealing sleeve. This design features an expansion assembly that comprises an expansion cone and an expansion seat, allowing the weight of the expandable tubular to be effectively borne on the drill string, thereby avoiding unintentional expansion caused by interactions with the expansion cone.

His second patent, "Expandable Liner Hanger," presents an innovative system involving a central pipe and an expandable pipe. The system utilizes an expansion cone that moves along the central pipe, enabling the expansion of the expandable pipe. This invention simplifies the disconnection process between the expansion cone seat and the expansion cone sleeve, showcasing Li's commitment to advancing drilling technologies.

Career Highlights

Throughout his career, Wanjun Li has been associated with notable companies, including CNPC Engineering Technology R&D Company Limited and China National Petroleum Corporation. His experience in these leading firms has allowed him to collaborate with industry experts and apply his inventive concepts to real-world applications.

Collaborations

Wanjun Li has worked alongside various talented individuals, including Quanli Zhang and Binggui Xu. These collaborations have enabled him to refine his ideas and broaden his understanding of the complexities involved in drilling technologies.

Conclusion

Wanjun Li's innovative contributions to expandable tubular technology have established him as an influential inventor in the field. His patents not only demonstrate his technical expertise but also his commitment to improving drilling operations in the oil and gas industry. As his career progresses, Li is likely to continue making significant advancements that will benefit the sector and inspire future inventors.