...然科学版、英文版） 关键字: 特低渗透率；微观孔隙结构；核磁共振；注水开发可行性[gap=1723]Key words: ultra-low permeability; microscopic pore structure; nuclear magnetic resonance; waterflooding feasibil..
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在考虑退汞麻痹效应和特低渗透率岩样退汞中止点假定条件下，对退汞量作了必要的修正。
By assuming the existence of mercury-ejection threshold pressure and mercury-ejection ending for extreme low-permeable rock, a necessary correction for mercury-ejection volume was made.
鄂尔多斯盆地安塞特低渗透油田由于存在天然裂缝或人工压裂裂缝，造成了储集层平面渗透率的方向非均质性。
Ansai oil field in Ordos basin is a ultra low permeability reservoir with natural and induced fractures, which caused serious lateral heterogeneity of permeability in the reservoir.
对于低渗、特低渗储层渗透率恢复值可达到78%和85%。
Permeability recovery reached 78% and 85% for low and very low permeability cores respectively.
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