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对英格兰及伊拉克西部沙漠地区的隐蔽不整合面所打的7个钻孔的477个岩心样品进行了岩石学和储集层特性(孔隙度和渗透率测定)的研究。在英格兰,不整合面出现在下列边界上:1)白垩系/泥盆系;2)下里阿斯统/瑞替阶-里阿斯统/未知年代的岩层/石炭系灰岩;3)三迭系/下石炭统;4)三迭系/上煤层组(相当于上宾夕法尼亚系);5)三迭系/二迭系-三迭系/二迭系。在伊拉克西部沙漠地区的钻孔中遇到了五个不整合面,其层序的年代跨度从石炭纪到白垩纪。
A total of 477 core samples of seven boreholes struck by concealed, unconformities in England and western deserts of Iraq were studied for petrology and reservoir properties (porosity and permeability measurements). In England, the unconformities appear on the following boundaries: 1) Cretaceous / Devonian; 2) Lower-Middle Asiatic / Reti-Leidan / unknown rock / carboniferous limestone; 3) Triassic / Lower Carboniferous; 4) Triassic / Upper Seam (equivalent to Upper Pennsylvania); and 5) Triadic / Triassic - Triadic / Triassic. Five unconformities were encountered in boreholes in the western desert of Iraq, with sequences spanning from Carboniferous to Cretaceous.