直井地面驱动螺杆泵采油杆管偏磨机理
董世民 张万胜 王 强 柴国鸿 苏艳玲
Mechanism of eccentric wear between rod string and tubing string of a surface driving screw pump lifting system in vertical wells
DONG Shimin ZHANG Wansheng WANG Qiang CHAI Guohong SU Yanling
石油学报 . 2012, (2): 304 -309 .  DOI: 10.7623/syxb201202019