The movement of newly generated hydrocarbons out of their source rock is primary migration, also called expulsion.

新生成的烃类由其源岩运动出来是初次运移作用，也称为排出作用。

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The movement of newly generated hydrocarbons out of their source rock is primary migration, also called expulsion.

新生成的烃类由其源岩运动出来是初次运移作用，也称为排出作用。

youdao