Characteristics and Origin of Coal Powder in Coalbed Methane Well
ZHAO Jun-fang,WANG Sheng-wei,QIN Yi,ZHAO Wen-xiu,CHEN Wen-wen,YANG Jian,LI Rui
Natural Gas Geoscience . 2013, (6): 1316 -1320 .  DOI: 10.11764/j.issn.1672-1926.2013.06.1316