牛君;黄文辉;蒋文龙;漆立新;

• 1:中国地质大学(北京)能源学院

• 2:中国地质大学(北京)海相储层演化与油气富集机理教育部重点实验室

• 3:中国地质大学(北京)页岩气勘查与评价国土资源部重点实验室

• 4:中国石化西北油田分公司勘探开发研究院

摘要(Abstract)：

利用测井解释数据、岩心及薄片观察结果,分析塔里木盆地玉北地区奥陶系碳酸盐岩风化壳岩溶储层特征、分布规律及其主控因素。结果表明:玉北地区奥陶系碳酸盐岩主要发育加里东中期和海西早期风化壳岩溶,鹰山组是风化壳岩溶最为发育的地层。储层垂向分布于水平潜流带高角度溶缝、半充填的溶蚀孔洞、粒间溶孔和晶间溶孔,以及垂直渗流带半充填的高角度溶缝和中小型溶蚀孔洞;储层平面分布于岩溶高地和岩溶斜坡古地貌单元,发育滑塌堆积物、溶洞、溶孔和溶缝等储集空间。研究区裂缝发育,与溶蚀孔洞相互沟通,明显改善碳酸盐岩储层的渗透性能。加里东中期—海西早期构造运动导致的地层长期暴露剥蚀、断裂活动和裂缝发育是风化壳岩溶储层形成的主要原因,东部断裂带鹰山组碳酸盐岩为勘探首选目标。

关键词(KeyWords)：风化壳储层;碳酸盐岩;奥陶系;玉北地区;塔里木盆地

Abstract:

Keywords:

基金项目(Foundation):国家科技重大专项(2011ZX05009-002-203);; 中国石化西北油田分公司勘探开发研究院协作项目(KY2011-S-070)

作者(Author):牛君;黄文辉;蒋文龙;漆立新;

Email:

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