焉耆盆地中生界含油气系统中，八道湾组是最主要的烃源岩层，烃源岩类型主要为煤系泥岩。
In the Mesozoic petroleum system in Yanqi basin, the Badaowan Formation is the principle source rock with coal-measure mudstone as the main type of source rock.
利用储量分布模型核算的七区八道湾组油藏储量更加准确，更能反映该区储量分布的非均质性。
Reserve distribution model can better calculate the reserves of badaowan formation of group 7, which can better reflect heterogeneity of reserves distribution in the work area.
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