1、

The results show that the catalytic cementation nitrocarburizing below the eutectoid temperature has a rapid penetrating rate and high hardness for the diffusion layer.

结果表明,在共析温度以下进行催渗氮碳共渗,具有渗速快、渗层硬度高的特点;

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2、

The influences of diagenesis on the reservoir physical properties are mainly the change of porosity and permeability. Compaction and cementation of the reservoir rocks makes the primary pores and permeability decreased quickly, which is the main causes of the poor physical properties;

成岩作用对储集物性的影响主要表现在孔隙度和渗透率的变化,其中压实作用和胶结作用使储层原生孔隙迅速减少、渗透率降低,使得储集物性变差;

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3、

Through analyses of effect on the reservoir property of diagenesis and its phases, it indicated that the genetic mechanism of the low permeability of this area is the filling and cementation of autogenetic mineral during diagenesis.

通过分析低渗透储层成岩作用对储集物性的影响,认为造成本区储层砂岩较低渗透率的主要成因机理是成岩期各种自生矿物的充填和胶结作用。

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4、

Although automorphic or partial automorphic quartz cementation losses some intergranular pores in late diagenesis, the reservoir with relatively high porosity still can be formed.

虽然晚成岩期自形或半自形石英胶结损失了部分粒间孔隙,但仍能形成孔隙度相对较高的储层。

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5、

Basins in Jiangxi province mostly are red basins dominated by sandy conglomerate, and some conglomerate and sandstone with calcareous and ferruginous cementation.

省内盆地多为红盆,岩性以砂砾岩为主,其次为砾岩和砂岩,胶结物以钙质和铁质为主。

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