Study on the sensitivities and damage mechanisms of ultra-low permeability sandstone reservoirs: taking Chang 6 reservoir in Jingbian oilfield as an exampleXiulan Zhu, Yanlong Ran, Zhanjun Chen, Tai Xu, Shengling Jiang and Guangsheng ZhangE3S Web Conf., 194 (2020) 01037DOI: https://doi.org/10.1051/e3sconf/202019401037