Study on Rock Stress Sensitivity of Chang 8 Tight Oil Reservoir in Fuxian Block Yangyang Ao, Yin Wang, Pengxing Cui, Xinhua Sun and Shengsong Kang E3S Web of Conf., 406 (2023) 02025 Published online: 31 July 2023 DOI: 10.1051/e3sconf/202340602025