Petroleum geological conditions and exploration potential of Lower Paleozoic carbonate rocks in Gucheng Area, Tarim Basin, China

CAO Yinghui,WANG Shan,ZHANG Yajin,YANG Min,YAN Lei,ZHAO Yimin,ZHANG Junlong,WANG Xiandong,ZHOU Xiaoxiao,WANG Hongjiang

Table 1 Stratigraphic correlation of Cambrian-Ordovician around Gucheng.

Strata Taxi platform facies area Gucheng platform margin facies area Tadong basin facies area Upper Ordovician Sangtamu Formation Lianglitage Formation Que’erqueke Formation Que’erqueke Formation Tumuxiuke Formation Tumuxiuke Formation Middle-Lower Ordovician Yijianfang Formation Yijianfang Formation Heituao Formation Yingshan Formation Yingshan Formation Penglaiba Formation Penglaiba Formation Upper Tuershaketageya Group Upper Cambrian Lower Qiulitage Formation Lower Qiulitage Formation Lower Tuershaketageya Group Middle Cambrian Awatage Formation Awatage Formation Mohe’ershan Formation Shayilike Formation Shayilike Formation Lower Cambrian Wusonggeer Formation Wusonggeer Formation Xidashan Formation Xishanbulake Formation Xiaoerbulake Formation Xiaoerbulake Formation Yuertusi Formation Yuertusi Formation