鄂尔多斯盆地宜川-旬邑地区长八段储层特征及成岩作用  

Reservoir characteristics and diagenesis of Chan 8 Member in Yichuan-Xunyi area of Ordos Basin

作　　者：王勇[1] 施泽进[1] 田亚铭[1] 汪建辉[1] 宋江海[2] 

机构地区：[1]成都理工大学“油气藏地质及开发工程”国家重点实验室,四川成都610059 [2]中国石油长庆油田分公司勘探开发研究院,陕西西安710021

出　　处：《大庆石油地质与开发》2008年第3期39-43,58,共6页Petroleum Geology & Oilfield Development in Daqing

摘　　要：针对宜川—旬邑地区勘探程度低,储层基础资料研究不足的特点,利用薄片鉴定、粒度分析、扫描电镜、镜质体反射率、阴极发光等多种测试分析手段,对宜川—旬邑地区的成岩作用及储层特征进行了深入地研究和探讨。确定了该区长八段目前处于晚成岩A期,建立了该区的成岩演化序列;阐明了各种成岩作用对该地区储层物性的影响。宜川—旬邑地区的勘探程度很低,本次研究填补了该区基础地质资料的不足,为在该地区开展更深入的研究奠定了基础。Aiming at characteristics of low exploration degree and less basic data of reservoir of Yichuan-Xunyi area, this paper studies diagenesis and reservoir characteristics of this area through thin section analysis, grain size analysis, SEM, vitrinite reflectance and cathodeluminescence methods. It determines that Chang 8 Member in this area is in Stage A of late diagenesis, establishes diagenesis sequence of this area and illustrates effect of different diagenesis on reservoir property of this area. Yichuan-Xunyi area has a low exploration degree. This study compensates the shortage of basic geologic data and provides basis for further study.

关 键 词：鄂尔多斯盆地东南缘 延长组长八段 储层特征 成岩作用 

分 类 号：TE122.1[石油与天然气工程—油气勘探]