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 Danian Zhang
Introduction
Danian Zhang is a prominent 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 fluid performance.
Latest Patents
Danian Zhang holds a patent for a cationic copolymer and its use as a lost circulation additive. This innovative copolymer has a viscosity average molecular weight ranging from 2 million to 10 million. The copolymer consists of three structural units corresponding to three monomers, with specific mole fractions that optimize its performance. When utilized in oil well construction, this cationic chemical lost circulation additive is mixed with an anionic drilling fluid in sections where lost circulation occurs. The resulting mixture undergoes neutral and cross-linking reactions, leading to a rapid increase in viscosity and the formation of a space grid structure that effectively blocks leakage paths.
Career Highlights
Danian Zhang has worked with notable organizations, including China Petroleum & Chemical Corporation and the China Petroleum & Chemical Corporation Exploration & Production Research Institute. His experience in these companies has allowed him to apply his innovative ideas in practical settings, contributing to advancements in drilling technologies.
Collaborations
Throughout his career, Danian Zhang has collaborated with esteemed colleagues such as 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.
Conclusion
Danian Zhang's contributions to the field of chemical engineering, particularly through his patented cationic copolymer, demonstrate his commitment to innovation. His work not only addresses challenges in the oil and gas industry but also showcases the importance of collaboration in driving technological advancements.