川南大安龙马溪组电成像测井资料中大型滑塌体的发现及地质意义*
潘峰1,2, 蒋裕强1, 蒋立伟3,4,5, 王玥2

Discovery and geological significance of large landslide bodies using borehole image logs in the Longmaxi Formation of Da'an area, southern Sichuan Basin,China
PAN Feng1,2, JIANG Yuqiang1, JIANG Liwei3,4,5, WANG Yue2
川南大安地区A井中龙一2亚段—龙二段滑塌体内滑塌构造和滑动构造的FMI-HD电成像测井特征 FMI-HD电成像上裂缝和断层的形态相似,均呈正弦曲线切割纹层的缝面,裂缝缝面前后的纹层是连续的,断层缝面前后的纹层具有位移,是错动或终止的; A中x836.4-x839 m纹层卷曲横卧; B中x889-x892 m纹层角度较高,x892 m以下低角度裂缝和断层发育,构成剪切滑移动面