Key oil accumulation periods of ultra-deep fault-controlled oil reservoir in northern Tarim Basin, NW China |
YANG Shuai,WU Guanghui,ZHU Yongfeng,ZHANG Yintao,ZHAO Xingxing,LU Ziye,ZHANG Baoshou |
Fig. 2. Photos of typical Ordovician carbonate cores and thin sections with fracture fillings. O2y-Yijianfang Formation; O1-2y-Yingshan Formation. |
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