英语语法分析

The mudstone provide on effective seal.

此泥岩提供了有效的封闭。

The cracky mudstone as well as may become reservoir.

裂缝发育的泥岩也可成为储集层。

The dark mudstone deposited in this time is the favorable source rock.

同时，该层序内沉积的暗色泥岩也是有利的烃源岩。