吉林大学学报(地球科学版) ›› 2018, Vol. 48 ›› Issue (4): 991-1007.doi: 10.13278/j.cnki.jjuese.20170086
林敉若1, 操应长1, 葸克来1, 王健1, 陈洪2, 吴俊军2
Lin Miruo1, Cao Yingchang1, Xi Kelai1, Wang Jian1, Chen Hong2, Wu Junjun2
摘要： 运用岩心观察、铸体薄片鉴定、扫描电镜分析、物性测试、压汞分析等实验方法，以阜康凹陷东部斜坡带二叠系梧桐沟组储集层为研究对象，探讨其储层特征及控制因素，并对储层进行分类评价。研究表明：梧桐沟组储层以岩屑砂岩及长石岩屑砂岩为主，粒度较细，分选磨圆较差，成分与结构成熟度低；储层原生孔隙发育，具有一定量的次生溶孔及微裂缝，发育微米级孔喉，物性较好，属于中孔中低渗储层；通过研究区成岩作用类型及强度的定量分析，共识别出8种成岩相类型。研究区储层物性及孔喉结构主要受岩相及成岩相控制，共划分出29种岩相成岩相组合，结合油田实际产能，将研究区储层划分为四类，从一类到四类，储层物性、孔喉结构及产油情况逐渐变差。
中图分类号:
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