井眼测量误差椭球最小间距计算方法
唐宁, 王少萍, 洪迪峰
A calculation method of minimum distance between wellbore survey error ellipsoids
Tang Ning, Wang Shaoping, Hong Difeng
石油学报 . 2017, (11): 1320 -1325 .  DOI: 10.7623/syxb201711011