Practice and theoretical and technical progress in exploration and development of Shunbei ultra-deep carbonate oil and gas field, Tarim Basin, NW China

MA Yongsheng,CAI Xunyu,YUN Lu,LI Zongjie,LI Huili,DENG Shang,ZHAO Peirong

Fig. 2. Schematic diagram of the distribution of fault-controlled fracture-cavity reservoirs in the Shunbei oil and gas field. O3qrb—Upper Ordovician Qalbake Formation, O1-2y—Middle and Lower Ordovician Yingshan Formation, O2yj—Middle Ordovician Yijianfang Formation, O1p—Lower Ordovician Penglaiba Formation, —C 1—2—Middle and Lower Cambrian, and —C 1y— Yurtus Formation.