This inventor holds 1 USPTO granted patent, plus 1 CIPO patent. Top assignees: China Petroleum & Chemical Corporation Exploration & Production Research Institute, China Petroleum Chemical Corporation. Active years: 2019.
Company Filing History:
1 out of 2 
1 out of 674 Years Active: 2019
Title: The Innovative Contributions of Qiulian Long
Introduction
Qiulian Long is a notable inventor based in Beijing, China. He has made significant contributions to the field of chemical engineering, particularly in the development of cationic copolymers. His work has implications for the oil and gas industry, specifically in enhancing drilling efficiency.
Latest Patents
Qiulian Long holds a patent for a "Cationic copolymer and use thereof in lost circulation additive." This invention involves a cationic copolymer characterized by a viscosity average molecular weight ranging from 2 million to 10 million. The copolymer consists of three structural units derived from three monomers, with specific mole fractions that optimize its performance. When utilized in oil well construction, this copolymer acts as a lost circulation additive, effectively blocking leakage paths through a rapid increase in viscosity, thereby facilitating efficient leaking stoppage.
Career Highlights
Throughout his career, Qiulian Long has worked with prominent organizations such as China Petroleum & Chemical Corporation and the China Petroleum & Chemical Corporation Exploration & Production Research Institute. His experience in these institutions has allowed him to apply his innovative ideas in practical settings, contributing to advancements in drilling technologies.
Collaborations
Qiulian Long has collaborated with esteemed colleagues, including Changming Su and Mengyun Zhao. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and enhances the development of innovative solutions in their field.
Conclusion
Qiulian Long's contributions to the field of chemical engineering, particularly through his patented innovations, demonstrate his commitment to advancing technology in the oil and gas industry. His work not only showcases his expertise but also highlights the importance of innovation in addressing industry challenges.