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Reservoir evaluation of accretionary wedge basin
Author(s): 
Pages: 71-76
Year: Issue:  7
Journal: Petrochemical Industry Application

Keyword:  增生楔盆地粒度物性沉积相储层评价;
Abstract: 从某区块已钻井和手工顿钻井的粒度、物性及沉积相分析,表明该区储层粒度偏细,以粉砂岩为主.基于钻井的粒度、物性等测试化验分析、结合沉积相,对研究区的两套主要储层渐新统和中新统的砂岩进行评价.研究认为,研究区北部储层主要集中在浅部中新统中,而南部主要分布在中部中新统-始新统,总体上中新统和始新统物性差异不大.受物源粒级较细、分选中等、泥质杂基含量高影响,全区砂岩储层物性以中孔低渗为主.受增生楔构造及沉积相展布的影响,区内储层平面上连续性较差,总体而言,北部储层好于南部储层.
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