Effect of perforation shear on viscosity of polymer solutionXi Yan, Xiaoyan Wang, Wei Wang, Zeyu Lin, Guangyu Yuan, Nan Zhan, Song Han, Xidong Cai, Xing Wu and Yanbin LiangE3S Web Conf., 375 (2023) 01042DOI: https://doi.org/10.1051/e3sconf/202337501042