一.序言 克～乌油区位于准噶尔盆地西北缘,是一个以单斜为背景的断层——岩性封闭为主的石油聚集带。自东北到西南,包括乌尔禾、白口泉、白碱滩、克拉玛依、红山咀等五个油田。其中具有花岗斑岩〔S-D〕、古生界变质岩〔S-C_1〕、石碳系佳木河组〔C_2〕、二迭系夏子街组〔P_1〕和乌尔禾组〔P_2〕、三迭系白口泉组〔T_1〕、下克拉玛依组〔T_2~1〕、上克拉玛依组〔T_2~2〕、下白碱滩组〔T_3~2〕、侏罗系八道弯 I. Preface Ke’ao oil region is located in the northwestern margin of the Junggar Basin and is a petroleum accumulation belt dominated by fault-lithology with a monocline as the background. From northeast to southwest, including Wuerhe, Baekkouquan, Baitan, Karamay, Hongshan Tsui and other five oil fields. Among them, there are granite porphyry [SD], Paleozoic metamorphic rocks [S-C_1], carboniferous Jiamuhe Group 〔C_2〕, Erdian Xiazijie Group 〔P_1〕 and Wuerhe Group 〔P_2〕, Triassic Baikouquan Formation [T_1], Lower Karamay Formation 〔T_2 ~ 1〕, Upper Karamay Group 〔T_2 ~ 2〕, Lower Baotiantan Formation 〔T_3 ~ 2〕, Jurassic eighth bend