The loss of primary porosity is caused by compaction, and pore texture reformation is resulted from the solution of unstable components.
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 diameter of sand, content of plastic clastic and development of coal measures play a role in decreasing pore and development of protogenic pore between grains during diagenetic compaction.
砂岩粒径、塑性岩屑含量和煤系发育程度影响成岩压实减孔量，从而影响剩余原生粒间孔隙发育程度。
The clastic rock shallow gas layer has the characters of lower deep and infirmness compaction, so that the compaction extent of mud and the pressure of pore volume and liquid are low.
碎屑岩浅气层具有储层埋深浅，岩体弱压实的特征，故其间泥质的压实程度低，孔隙空间及所含流体承受的压力较小。
The clastic rock shallow gas layer has the characters of lower deep and infirmness compaction, so that the compaction extent of mud and the pressure of pore volume and liquid are low.
碎屑岩浅气层具有储层埋深浅，岩体弱压实的特征，故其间泥质的压实程度低，孔隙空间及所含流体承受的压力较小。
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