1Clavier C.The Challenge of Logging Horizontal Wells[J].The Log Analyst,1991.32(2):63-84.
2Zhao Jiangqing, Zhou Ding, Li Xuewen et al. Laboratory measurement and applications of anisotropy parameters of rock [A] . SPWLA 35^th Annual Logging Symposium, 1994. 19-22, Paper LLL.