| 塔中16-24井区奥陶系碳酸盐岩古岩溶研究 |
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| 引用本文： | 邬长武,蒋春雷,郑志祥,刘伟. 塔中16-24井区奥陶系碳酸盐岩古岩溶研究[J]. 矿物岩石, 2002, 22(2): 69-73 |
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| 作者姓名： | 邬长武 蒋春雷 郑志祥 刘伟 |
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| 作者单位： | 石油大学(北京)资源与信息学院,北京,昌平,102249 |
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| 基金项目： | 石油天然气总公司“九五”项目《塔里木盆地油气勘探》资助 |
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| 摘 要： | 塔中16－24井区奥陶系碳酸盐岩古岩溶主要分为侵蚀面岩溶和深部岩溶。侵蚀面岩溶在垂向上具有良好的分带性，自上而下大致可分为5个带：风化壳（地表岩溶）、垂直渗流带、季节变化带、水平潜流带和深部缓流带，在地质历史上主要发育了3期。深部岩溶对本区碳酸盐岩储层孔隙发育程度有很大的影响，同时也发育了3期。塔中16－24井区奥陶系碳酸盐岩古岩溶的发育受多种因素的影响，其中岩性、沉积相、构造、温度和古水系对古岩溶的发育起决定性的作用。
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| 关 键 词： | 奥陶系 碳酸盐岩 侵蚀面岩溶 深部岩溶 风化壳 垂直渗流带 孔隙 |
| 文章编号： | 1001-6872(2002)02-0069-05 |
| 修稿时间： | 2001-11-09 |
THE RESEARCH ON THE ANCIENT KARST OF THE WELL TZ16-TZ24 AREA IN THE CENTRAL TARIM BASIN |
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| WU Chang wu,JANG Chun lei,ZHENG Zhi xiang,LIU Wei. THE RESEARCH ON THE ANCIENT KARST OF THE WELL TZ16-TZ24 AREA IN THE CENTRAL TARIM BASIN[J]. Journal of Mineralogy and Petrology, 2002, 22(2): 69-73 |
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| Authors: | WU Chang wu JANG Chun lei ZHENG Zhi xiang LIU Wei |
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| Abstract: | The ancient carbonate ancient karst of Well TZ16-TZ24 area can be divided into two main categories, the erosion karst and deep karst.Five belts can be differentiated in the erosion karst in profile,namely the weathering shell, vertical permeating belt, season changing belt, horizontal underflow belt and deep slow flowing belt.Both erosion karst and deep karst experienced 3 periods of development in the geology history. Deep karst had a great influence on the carbonate reservoir porosity in this area. Many factors such as lithology, sedimentary faces, tectonic, temperature and the ancient hydrographic net affected the development of the ancient carbonate karst are the main factors.Both erosion karst and deep karst experienced 3 periods of development. |
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| Keywords: | central Tarim basin Ordovician carbonate erosion karst deep karst |
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