episodic

The episodic flow of hydrocarbon migration and all geofluid and the episodic action of crust structure are complementary to each other and mutually determined.

油气幕式运移与地流体的幕式流动都与地壳的幕式构造活动相辅相成、互为因果。

This expulsion process of geopressured system is episodic and generally forms big oil field or gas field in the transition zone of pressure and normal pressure zone in geopressured basin.

这一喷溢过程以幕式活动形式周而，超压盆地的过渡带和常压带中形成大的油气藏。