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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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.

youdao