鄂尔多斯盆地北部下古生界碳酸盐岩地层测井岩性剖面的确定
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摘要
鄂尔多斯盆地气藏是低孔、低渗气藏,储层埋深较大,地表条件复杂,地震资料缺乏,而测井资料相对丰富,因此测井资料是其储层精细分析与评价的重要手段.通过对鄂尔多斯盆地下古生界奥陶系风化壳勘探成果的研究,在综合分析研究区地质条件的基础上,利用岩心观察、铸体薄片、岩性交会等各种储层研究方法和手段,建立了研究区下古界标准井测井岩性剖面.
In gas store of Ordos basin,the exploitation is low porosity and low permeability,the reservoir is more deeper.Its earth surface is complex and the data of earthquake is lacking,while,the logging data is relative abundance,so the logging data are important means of the refined analysis and estimation of reservoir.The production of weathering crust of lower Paleozoic ordovician is summaized and studied in ordos basin.Base on geologic condition,the experiment and technique means of core observation,casting thin sections and lithology crossplot is utilized to establish well logging lithology section in standard well of lower Paleozoic.
引文
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