原生孔隙

孔隙空间主要是原生孔隙及由次生原因形成的孔隙和裂缝。

The pore spaces are completely dominated by primary porosity and pores , vogs and fractures with secondary origination .

岩屑砂岩与储层物性相关的主要成岩后生变化有：（1）埋藏压实作用使碎屑岩原生孔隙大量减少；

Post-diagenetic variations related to the reservoir features include : ( 1 ) Primary porosity of greywacke is sharply reduced during burial-diagenesis ;

在埋深超过1400m以后开始出现少量次生孔隙，在1400～1500m深度范围形成原生孔隙与次生孔隙并存的混合孔隙带；

There are a few secondary pores at a depth of more than 1 400 m , then comes mixed pore zones , characterized by the coexistence of primary and secondary pores in a depth range of 1 400-1 500 m ;

成岩作用使砂岩原生孔隙体系发生强烈变化。

Diagenesis have strongly changed primary pore system of the sandstones .

砂岩储层的孔隙类型以原生孔隙为主。

Primary porosity is the main pore type in sandstone reservoir .

贫石英砂岩的成岩作用使缩小了的原生孔隙得以再扩大。

Diagenesis of quartz & poor sandstone enlarges reduced primary pore volume .

近源砂岩原生孔隙储集层岩石相控建模及其应用

Modeling and application of the lithofacies-controlled primary pore reservoir of proximal sandstone

储集空间有原生孔隙、次生淋滤孔隙和裂缝。

There are primary pores and secondary-leaching pores and cracks in reservoir rocks .

自上而下原生孔隙减少，次生孔隙及裂缝增加。

Primary pores are decreasing whereas secondary pores and fractures are increasing downward .

储层孔隙以次生孔隙为主，原生孔隙较少；

Reservoir have more induced and less primary pore ;

前渊凹陷带储层类型为溶孔-裂缝型，以次生溶蚀孔隙为主，原生孔隙基本消失；

Foredeep belt was characterized by secondary pore-fracture reservoir type and dissolved pore .

白垩系储层以原生孔隙为主。

Cretaceous sandstone reservoir is of primary pore type .

碳酸盐岩储层储集空间主要有原生孔隙、次生孔隙、裂缝三大类。

And that of the carbonate reservoir is primary pores , secondary pores and cracks .

砂岩储层孔隙可以分为原生孔隙和次生孔隙两大类。

The types of pores in the sand reservoir can be grouped into primary and secondary ones .

超压保存了一部分原生孔隙，这是深部储层还具有高孔隙度的最主要原因；

( overpressure ) conserves parts of original porosity , which causes high porosity in a deep reservoir ;

储层孔隙类型可分原生孔隙、次生孔隙和裂缝（隙）。

The pore types of reservoir are divided into three types such as the primary pore and secondary pore and fissure .

东河砂岩由溶蚀相、原生孔隙相、溶蚀-原生孔隙相和碳酸盐胶结相组成。

The Donghe sandstone is composed of denudation facies , primary pore facies , denudation-primary pore facies and carbonate cementation facies .

不同前陆构造带的构造演化差异，决定了其储集砂体类型的差异和成岩作用的差异，从而影响其原生孔隙、次生孔隙和裂缝的发育。

The structural evolution difference of each foreland belt determined the difference of sedimentation sand bodies and the evolution of reservoir .

火山岩储集空间可分为原生孔隙、次生孔隙两大类11亚类。

The volcanic reservoir spaces can be divided into two types : primary pores and secondary pores , including 11 sub types .

沉积盆地的性质和沉积环境控制了沉积物的组成、岩石的结构和原生孔隙。

The depositional environments and the types of sediment basin control the original composition before burial , texture and porosity of sediments .

压实作用导致原生孔隙大量损失，不稳定组分的溶解则是改善孔隙结构的主要因素。

The loss of primary porosity is caused by compaction , and pore texture reformation is resulted from the solution of unstable components .

储层物性研究表明，本区主要以生物灰岩及中、细砂岩含油；孔隙以原生孔隙为主；

Property of reservoir bed indicates that oil mostly exists in biolithe , coarse and fine sandstone and most pore is primary pore .

相对早期胶结的白云石胶结物提高岩石的抗压实能力，使部分原生孔隙得到保存。

Relatively early cementation of dolomite cements improves the compression of rock solid ability , so part of the original pores are preserved .

本文将聚集期孔隙分为五类：（1）埋藏期原生孔隙；

Porosity types of reservoir-accumulation stage may be divided into fivetypes : 1 . Primary porosity of burial stage ; the complete period ;

碎屑岩储层储集空间主要有原生孔隙、次生孔隙、微孔隙、裂隙四种成因类型；

The reservoir pore space of the clastic reservoir mainly includes four origin types of primary pores , secondary pores , micropores and cracks ;

火成岩冷却后所形成的晶间孔、收缩孔等原生孔隙不受压实作用的影响，与沉积岩储层具有不同的特征。

The primary pores , such as intercrystal pores and shrinkage pores , formed while igneous rocks cool down are not influenced by compaction .

上古生界储层孔隙类型包括原生孔隙、溶蚀孔隙、晶间孔隙和次生孔隙4种。

Third , the pore type of the Upper palaeozoic group reservoir including between primary pore , corrosion pore , intercrystalline pore and secondary pore .

断裂带下盘埋深较深，压实作用强，原生孔隙所占比例明显减少，次生溶蚀孔隙相对发育。

Because of strong compaction , the proportion of the primary pores become obviously less , and the secondary pores are the major storage space .

压实、压溶作用使早期未固结的沉积物压实脱水，对沉积物的原生孔隙有致命的破坏性作用。

The unconsolidated sediment being consolidation and dehydration , while the primary porosity is destroyed fatally , is due to the compaction and pressure solution .

火山岩储集层物性的好坏，除受原生孔隙控制外，次生裂隙及溶洞也是关键因素。

Either good or bad physical properties of volcanic rock reservoir , the secondary crack and limestone cave are key factors besides controlling by primary porosity .