Beijing Qihoo Technology Company Limited

Qizhi Software (Beijing) Company Limited

China University of Geosciences (Beijing)

Zhihua Luo

Yu Wang

Ziming Wang

Peizhi Yu

Gan Ning

Xuesong Xing

Bairu Xia

A star-shaped polyacrylamide copolymer and a preparation method thereof are provided, as well as a drilling fluid containing the star-shaped polyacrylamide copolymer. Only the star-shaped polyacrylamide copolymer is added into the drilling fluid; under a high-temperature environment, the filtration volume of the drilling fluid can be reduced, the high-temperature rheological property of the drilling fluid is improved, and the pressure loss of a circulation system of the drilling fluid is reduced.

Star-shaped polyacrylamide copolymer and preparation method thereof and drilling fluid including the copolymer

Display screen with a graphical user interface

Growing community of inventors

Beijing, China

Zhihua Luo