环境系数通常与距离生油凹陷的远近及与三角洲前缘砂体的接触程度等外部环境因素有关。
The environment coefficient usually relates to some external environment factors, such as the distance to genetic sag and the contact degree to frontal sand body of delta.
有机成因二氧化碳气主要分布于生油凹陷周围，是烃类气体的次要伴生产物，并远离大断裂分布。
The organic origin carbon dioxide mainly distributed around hydrocarbon generating sags, occurring as a secondary by product of hydrocarbon gas and relatively far away from the main faults.
地下源岩已经达到生烃的压力和温度的适宜条件的地区，也有周知的源岩凹陷、生油凹陷或生气凹陷。
An area of the subsurface where source rock has reached appropriate conditions of pressure and temperature to generate hydrocarbons; also known as source kitchen, oil kitchen or gas kitchen.
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