Yang Qingli, Zheng Yi, Zhang Zaixu, Sun Yuxi and Hu Shoulin. Sustainable Development of CNPC’s Downhole Service Business[J]. Petroleum Science and Technology Forum, 2014, 33(4): 8-12.
杨庆理,郑毅,张在旭,孙玉玺,胡守林. 中国石油井下作业业务可持续发展问题探讨[J]. 石油科技论坛, 2014, 33(4): 8-12.