The dolostones have experienced several types of post - depositional diagenetic modifications , of which dolomitization , dissolution , recrystallization and tectonic stress processes have exerted an important effect on porosity and permeability 认为该白云岩在沉积期后变化中经历了多种成岩作用改造,其中影响白云岩储集性的作用主要有白云石化作用、溶蚀作用、重结晶作用和构造应力作用,对白云岩孔渗改善起了积极作用。