Classification and Characterization of Microscopic Pore Structures in Low and Extra-Low Permeability Reservoirs: A Case Study of Reservoirs Chang 2 and Chang 6 in Yanchang Formation of Yanchang Oilfield

PANG Zhenyu1, LI Yan1, DUAN Wei1, DONGYue2, DUAN Jingjie1, GAO Qinghua1

Xinjiang Petroleum Geology . 2017, (2): 1 -1 . DOI: 10.7657/XJPG20170213