Location History:
- Shandong, CN (2019)
- Qingdao Shandong, CN (2019 - 2021)
- Qingdao, CN (2024)
Company Filing History:
6 out of 25 
1 out of 307 
Years Active: 2019-2025
Title: Innovations and Contributions of Qingjun Du
Introduction
Qingjun Du is a prominent inventor based in Qingdao, China. He has made significant contributions to the field of oil and gas engineering, holding a total of 6 patents. His work focuses on innovative methods that enhance the efficiency of oil extraction processes.
Latest Patents
One of his latest patents is a method for determining the dynamic adsorption retention of polymer capsules. This method involves conducting a thermal aging experiment to establish relationships between capsule concentration and aging time, as well as polymer release concentration and aging time. It also includes setting up a polymer capsule displacement experimental device to determine the release concentration of polymers in effluent. Additionally, it addresses the release of polymers encapsulated by capsules in the effluent to acquire total adsorption retention in a porous medium.
Another notable patent is a chemical flooding method for balanced displacement of heterogeneous oil reservoirs. This method aims to optimize crude oil displacement through coordinated chemical flooding. It involves determining the median size and elastic modulus of viscoelastic particles based on the average permeability of the reservoir. The method also optimizes the concentration ratio of the chemical agent and calculates the optimal section slug volume ratio for single well injections.
Career Highlights
Qingjun Du has worked at prestigious institutions such as China University of Petroleum and Shandong University. His experience in these organizations has allowed him to develop and refine his innovative techniques in oil and gas engineering.
Collaborations
Throughout his career, Qingjun Du has collaborated with notable colleagues, including Jian Hou and Yongge Liu. These collaborations have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Qingjun Du's innovative contributions to the field of oil and gas engineering demonstrate his expertise and commitment to advancing technology in this sector. His patents reflect a deep understanding of complex processes and a dedication to improving oil extraction methods.