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在系统收集和整理安塞桥19井区三叠系长3油层组岩心、薄片等资料的基础上,利用大量的分析化验资料对该区岩石特征、孔喉类型、储层物性等进行了研究,并对其储层发育影响因素进行了分析。结果表明,该区储层岩石以长石砂岩为主,储集空间以原生粒间孔为主,储层物性主要受沉积环境和成岩作用等因素影响。
On the basis of collecting and arranging the data of core and thin section of Chang 3 oil layer of Triassic Well in Ansaiqiao 19 well, the rock characteristics, pore-throat types and reservoir physical properties in this area are studied by a large amount of analytical laboratory data The influencing factors of reservoir development are analyzed. The results show that the main reservoir rocks in the area are feldspar sandstone, and the reservoir space mainly consists of primary intergranular pores. The reservoir physical properties are mainly affected by sedimentary environment and diagenesis.