中南段侏罗系和白垩系的油属于偏腐殖型成熟原油，来自乌尔禾组烃源岩。
Oil of Jurassic and Cretaceous stratum in South central section comes from Wuerhe hydrocarbon source rock, and belongs to the mature crude oil.
说明南段深层是乌尔禾组和风城组成熟油气以及风城组高熟油气的有利勘探区。
That in deep south is favorable exploration areas in Urho group and Fengchen group mature hydrocarbon and Fengchen group high mature hydrocarbon.
准噶尔盆地西北缘二叠系乌尔禾组地层是既有烃源岩又有储集岩的复合含油气系统。
The Permian Wuerhe Formation in the northwest margin of Junggar Basin is a complex petroleum system with both source rocks and reservoir rocks.
克拉玛依油田八区下乌尔禾组为一套以砾岩为主的粗碎屑沉积，是该区最重要的含油层系。对其地层的划分与对比，是长期存在的一个问题。
Lower Urho Formation in Region 8 of Karamay Oilfield is an important oil-bearing series, where gravel is dominated. the classification and correlation of its strata are the long existed problems.
克拉玛依油田八区下乌尔禾组为一套以砾岩为主的粗碎屑沉积，是该区最重要的含油层系。对其地层的划分与对比，是长期存在的一个问题。
Lower Urho Formation in Region 8 of Karamay Oilfield is an important oil-bearing series, where gravel is dominated. the classification and correlation of its strata are the long existed problems.
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