Oil and gas source and accumulation of Zhongqiu 1 trap in Qiulitage structural belt, Tarim Basin, NW China

LI Jian,LI Jin,XIE Zengye,WANG Chao,ZHANG Haizu,LIU Mancang,LI Dejiang,MA Wei,MAO Danfeng,ZENG Xu

Fig. 7. Maturity of crude oils from different oil fields in Qiulitage structural belt and its adjacent area[5, 24-25]. MAI=1-methyladamantane/(1-methyladamantane + 2-methyladamantane); MDI=4- methyladamantane/(1-methyladamantane+3-methyladamantane+ 4-methyladamantane); The data of adamantine in adjacent oil fields is cited from references [5, 24-25], the identification limits are cited from reference [25].