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Fine log interpretation for oilfields with thin sands and multiple developed layer systems
Author(s): 
Pages: 1137-1142
Year: Issue:  6
Journal: Acta Petrolei Sinica

Keyword:  thin sand layermultiple oil-bearing layer systemsdetailed log interpretationdifferent layer systemsedimentary microfaciesYuejin-2 oilfield;
Abstract: 柴达木盆地跃进二号油田为典型的薄砂层多开发层系油田,垂向上含油层系多、目的层段长、单砂体薄,平面上砂体规模小、相带窄、相变快,不同层系、不同沉积环境的储层特征差别很大.以跃进二号油田N21油藏为研究对象,分层系按沉积微相带建立了薄砂体多开发层系油田储层测井解释模型并进行了测井精细解释,从而提高了解释精度.在测井精细解释的综合化、定量化和自动一体化等方面进行了探索,研究了薄砂体多开发层系油田测井精细解释方法:测井资料预处理与标准化;测井计算泥质含量实现自动分层;测井沉积微相自动识别与划分;分层系按沉积微相带的储层参数解释模型;分层系按沉积微相带的测井精细解释.研究表明,分层系按沉积微相带进行测井解释是准确计算该类油田储层参数的有利途径.
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