首页> 中文期刊> 《海相油气地质》 >成像测井在台缘斜坡礁滩微相研究中的应用--以土库曼斯坦阿姆河右岸中部卡洛夫阶-牛津阶为例

成像测井在台缘斜坡礁滩微相研究中的应用--以土库曼斯坦阿姆河右岸中部卡洛夫阶-牛津阶为例

         

摘要

Based on the imaging logging data, the Middle-Lower Jurassic Callovian-Oxfordian reef-bank sedimentary microfacies in carbonate platform margin slope are studied in the central part of Right Bank of Amu Darya, Turkmenistan. First, the cores and thin sections are used to calibrate the imaging logging, and seven sedimentary microfacies identified are classified into baffle reef, bond mound, high energy bioclastic bank, low energy bioclastic bank, low energy psammitic bank, inter reef (bank) and slope mud. Then, through the analysis of the imaging logging response characteristics for different sedimentary microfacies, some imaging logging facies models are established, which include bright spot, dark spot, low resistivity interlaced layers, low resistivity deformative layers, interbedded and massive facies. According to these facies models, the continuous logging facies of every single well are divided and the corresponding sedimentary microfacies are interpreted. Finally, the relationship between sedimentary microfacies and reservoir physical properties are analyzed. It is shown that fractured-porous reef-bank reservoirs are common in this area, and the sedimentary microfacies favorable for reservoir development are high energy bioclastic bank, low energy psammitic bank, baffle reef, low energy bioclastic bank and bond mound while the inter-reef (bank), and slope mud microfacies are not favorable for reservoir development for dense lithology.%以成像测井资料为基础,开展了土库曼斯坦阿姆河右岸中部的中上侏罗统卡洛夫阶-牛津阶台缘斜坡礁滩沉积微相研究。首先利用岩心、薄片等资料对成像测井进行标定,在成像测井上识别出障积礁、粘结丘、高能生物碎屑滩、低能生物碎屑滩、低能砂屑滩、礁(滩)间和斜坡泥等7种沉积微相。然后通过对不同类型沉积微相的成像测井响应特征进行研究,建立了研究区碳酸盐岩成像测井相模式,主要包括亮斑相、暗斑相、低阻交错层状相、低阻变形层状相、互层相、块状相等6类,并以此为依据进行了连续的单井成像测井相划分与沉积微相解释。最后对沉积微相与储层物性关系进行了研究,认为研究区卡洛夫阶-牛津阶储层主要为裂缝-孔隙型礁滩储层,有利于储层发育的沉积微相主要为高能生物碎屑滩、低能砂屑滩、障积礁、低能生物碎屑滩和粘结丘,礁(滩)间和斜坡泥微相的岩性相对较致密,储层一般不发育。

著录项

相似文献

  • 中文文献
  • 外文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号