木里地区水合物钻孔井壁构造裂缝特征
李洋, 刘东明, 林振洲, 王宇航, 贾定宇, 欧洋

Characteristics of fractures from borehole walls of gas-hydrate drilling holes in Muli region
Yang LI, Dong-Ming LIU, Zhen-Zhou LIN, Yu-Hang WANG, Ding-Yu JIA, Yang OU
图2 不同类型裂缝的声成像测井响应特征
Fig.2 The response characteristics of different types of fractures from ultrasonic image logging
a—horizontal fractures;b—low-angle fractures;c—high-angle fractures;d—vertical fractures;e—mud filled fractures;f—calcite filled fractures;g—drilling induced fractures