斜直井内下部钻柱空间弯曲变形的探讨
袁祥忠, 梁政
Discussion on Three-Dimensional Buckling of Lower Drill String in Deviated-Straight Borehole
Yuan Xiangzhon, Liang Zheng
石油学报 . 1987, (1): 103 -112 .  DOI: 10.7623/syxb198701012