原油伴生气成藏主要受圈闭发育、圈闭与运移路径之间空间位置关系和保存条件的控制；
The accumulation of accompanying gas was controlled by development of trapping, the space matching relation between trap and migration routes and preservation conditions.
其中油田伴生气是指在油气藏中，烃类以液相和气相两相共存，在开采过程中伴随原油同时被采出的天然气。
Among them, oilfield associated gas is carried out with crude oil in the process of production as hydrocarbons exist in form of both gas phase and fluid phase.
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