| 1. | Rocks having original porosity are more uniform in their characteristics than those rocks in which a large part of the porosity is induced
具有原生孔隙度的岩石比次生孔隙度占大部分的岩石在性质上更具有一致性。 |
| 2. | Original porosity is typified by the intergranular porosity of sandstones and the intercrystalline and oolitic porosity of some limestones
原生孔隙度以砂岩粒问孔隙度和某些石灰石的晶体粒间和鲕状孔隙度为代表。 |
| 3. | The formation mechanism of the pore of diagenetic dolostone includes : 1 ) the primary porosity is essential condition for the formation of dolostone reservoir
成岩白云岩孔隙的形成机制有: l )岩石的原生孔隙度是成岩白云岩储层形成的必要条件。 |
| 4. | The main control factors of carbonate of preservation for information of seawater are : a ) the components of original minerals ; b ) the primary porosity of rock ; c ) the content of terrigenous elastics of carbonate rocks
有如下3个主要控制因素： a )原始矿物组成； b )岩石的原生孔隙度； c )碳酸盐岩中陆源碎屑矿物的含量。 |
| 5. | The diagenesis may result in the variations in pore structures of sandstone reservoirs ; the compression and cementation may lead to the decrease in valid primary porosity of sandstones , and the secondary porosity generated by solution may serve as main oil storage spaces
压实作用和胶结作用降低了砂岩的原生孔隙度，溶解作用产生的次生孔隙成为主要的汕气储集空间。 |
| 6. | A lot of diagenetic dolostones have remainder granulation structure , and the native rock of it may be various intraclast limestone . this type of rock usually has high primary porosity . the high primary porosity is the important base of forming the pore of dolostone reservoir
一部分成岩白云岩仍具有残余粒屑结构，其原岩可能主要为各种类型的粒屑灰岩，这类岩石通常具有较高的初始孔隙度(原生孔隙度) ，这是以后形成成岩白云岩储层孔隙的重要基础条件。 |
