1、 It is vital difference for the changes of porosity and permeability between sandstone and mudstone.
砂泥岩孔隙度、渗透率的变化存在很大差异.
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2、 Many serious turbidite sand bodies and huge thick dead color mudstone are developed in the depression.
洼陷内在沙三段发育有多套浊积砂体和巨厚暗色泥岩,油气成藏条件十分优越.
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