Study on lost circulation mechanism in fractured formation: a case study of BZ34-9 Oilfield, Bohai Sea, East China#br#
Tan Zhongjian, Hu Yun, Yuan Yadong, Cao Jun, Zhang Xiangqian, Yang Zhanxu
China Petroleum Exploration . 2021, (2): 127 -136 .  DOI: 10.3969/j.issn.1672-7703.2021.02.013