Pore Characteristics and Gas Released by Crush Methods of Wufeng-Longmaxi Shale in the Northwest of Hubei Province,China

摘要

1 Introduction Wufeng-Longmaxi organic-rich shale in the Late Ordovician-Early Silurian is widely distributed in South China(Qiu et al.,2013),which is also the target formations of shale gas industry.Until now,the investigations into shale gas reservoirs is mainly conducted in eastern and southern part of Sichuan Basin(Huang et al.,2012;Liu