Technical status and development direction of workover operation of PetroChina

LEI Qun,LI Yiliang,LI Tao,LI Hui,GUAN Baoshan,BI Guoqiang,WANG Jialu,WENG Dingwei,HUANG Shouzhi,HAN Weiye

Fig. 1. Workload of workover in PetroChina, 2012-2018.