mudstone

In the case of mudstone to be a source rock, the uncompacted mudstone would have a strong capability of hydrocarbon concentation sealing to seal gas in diffusive phase.

文在研究盖层封闭油气机理的基础上,分析了欠压实泥岩在封益油气中的作用。

third is low-density turbidity sequence composed of flaggy sandstone and mudstone;

三为由薄层状砂岩与泥岩呈韵律状互层构成的浊流远端低密度流序列；

the depocenter of hydrocarbon source rock such as coal and dark mudstone is situated in the Xinxian sunken in the south of the study area;

煤与暗泥岩等烃源岩的沉积中心位于研究区南部的莘县凹陷；

The platform foreslope is composed of the dark grey and celadon calcareous mudstone,siltstone,sandstone intercalated with limestone conglo...

内陆棚以深灰、灰绿灰质泥岩夹浅灰砂质、灰质纹层或条带为特征,并编制了该地区桑塔木组的岩相古地理图。

Nonsandstone reservoirs between salt beds of Qianjiang Formation in the Qianjiang Sag of the Jianghan Basin are mainly composed of dolomicrite,glauberite rock,mudstone and their peperite.

组成江汉盆地潜江凹陷潜江组盐间段非砂岩储层的岩石主为泥晶白云岩、钙芒硝岩、泥岩及其混积岩,孔渗性普遍较差。

Kapeng syderolite deposit is large,occurred in purple clayey ferruginous mudstone and grey-green clayey shale of Lower Silurian series.

卡棚大型紫砂陶土矿主于志留系下统紫红粘土质含铁泥岩和灰绿粘土质页岩中,分上下2个含矿岩系,4个矿层。

And the boundary of them has the same lithologic character: the ravinement surface of river course or exposure mudstone of flooding plain and root clay.

二者的界面是相同的,均为河道砂体底部的冲刷侵蚀面或者是暴露过泛滥平原泥岩、根土岩等。

Lacustrine source rocks provided resource for the oil and gas generation, and flood plain facies and paludal facies mudstone supplied cap rock for the reservoir accumulation.

泛滥平原相、沼泽相泥岩为油气成藏提供了良好的盖层条件；