Originalporosity 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。
2
The effective porosity and original gas saturation of gas reservoir are the important parameters in calculating gas reserves.
气层“两度”是指有效孔隙度与原始含气饱和度，它是计算天然气储量的重要参数。
3
Based on analysis of geological, seismic and experimental analysis in Gaoyou depression, the article analyses the original mechanism of secondary porosity.