分层采油技术的发展历程和展望
刘合1, 郑立臣1, 杨清海1, 俞佳庆1, 岳庆峰2, 贾德利1, 王全宾1

Development and prospect of separated zone oil production technology
LIU He1, ZHENG Lichen1, YANG Qinghai1, YU Jiaqing1, YUE Qingfeng2, JIA Deli1, WANG Quanbin1