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.

油气幕运移与地体幕都与地壳幕构造活相辅相成、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.

这一喷溢过程以幕活形周而复始，在超压盆地过渡带和常压带中形成大油气藏。