Dai Jun Du

Title: Innovative Contributions of Inventor Dai Jun Du

Introduction

Dai Jun Du is a notable inventor located in Chengdu, China. With a focus on advancing the field of materials science, he holds a significant patent that highlights his innovative capabilities. His work primarily addresses challenges in plugging large fractures with a specialized formulation.

Latest Patents

Dai Jun Du's patent is titled "Plugging agent with temperature-resistant, salt-resistant and high-expansion for plugging large fractures and preparation method thereof." This invention introduces a unique plugging agent system consisting of various essential components: a main agent (6%–10%), cross-linking agent (0.6%–1%), initiator (0.006%–0.01%), and additives (6%–14%) with water making up the remainder. The innovative preparation method involves creating a montmorillonite dispersion system followed by the addition of the main components, which is then subjected to a controlled temperature environment (90–20°C) for 9–48 hours to achieve gelation. The resulting agent system exhibits high adhesive strength (grade H), a remarkable expansion multiple of 50–80, and an effective water plugging capability at temperatures up to 140°C and a mineralization degree of 250,000.

Career Highlights

Dai Jun Du is associated with Southwest Petroleum University, where he engages in research and development of innovative materials that contribute to the petroleum sector. His work not only enhances the efficiency of plugging techniques but also ensures the durability of these materials under extreme conditions, underlining his role as a significant contributor to the field.

Collaborations

Throughout his career, Dai Jun Du has collaborated with esteemed colleagues such as Fa Yang Jin and Wan Fen Pu. These collaborations have undoubtedly enriched his research perspectives and contributed to the advancement of their shared fields, fostering a spirit of innovation and discovery.

Conclusion

Dai Jun Du's inventive approach has led to significant advancements in materials used for plugging large fractures. His patent serves as a testament to his dedication and ingenuity in addressing complex challenges in the energy sector. As an innovator, he continues to inspire future generations of researchers and inventors.