| 碳酸盐岩油气田古岩溶研究及其在油气勘探开发中的应用 |
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| 引用本文： | 夏日元,唐建生,邹胜章,梁彬,金新峰,姚昕.碳酸盐岩油气田古岩溶研究及其在油气勘探开发中的应用[J].地球学报,2006,27(5):503-509. |
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| 作者姓名： | 夏日元 唐建生 邹胜章 梁彬 金新峰 姚昕 |
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| 作者单位： | 中国地质大学，北京，100083；中国地质科学院岩溶地质研究所，广西桂林，541004;中国地质大学，北京，100083；中国地质科学院岩溶地质研究所，广西桂林，541004;中国地质大学，北京，100083；中国地质科学院岩溶地质研究所，广西桂林，541004;中国地质大学，北京，100083；中国地质科学院岩溶地质研究所，广西桂林，541004;中国地质科学院岩溶地质研究所，广西桂林，541004;中国地质科学院岩溶地质研究所，广西桂林，541004 |
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| 基金项目： | 973计划项目“碳酸盐岩缝洞型油藏开发基础研究”(编号:2006CB202400); 国家自然科学基金项目“碳酸盐岩储层古岩溶模式及其对油气藏的控制机制研究”(编号:40272068) |
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| 摘 要： | 古岩溶为地质历史时期而非现代营力环境下形成的岩溶,深岩溶为不受地表侵蚀基准面控制环境条件下的深埋藏岩溶作用。碳酸盐岩储层储集空间主要有溶蚀孔洞、溶缝等,非均质性明显,空间分布规律复杂,经历了漫长的岩溶作用过程,油气储集规律复杂。油气田碳酸盐岩的内在因素(结构成因类型、物理力学性质等)以及各地质历史时期所处的地质环境构成古岩溶的形成条件与影响控制因素。本文将古岩溶的形成机制及其与油气聚集关系作为研究重点与突破口,系统研究了古岩溶和深岩溶的形成条件、影响控制因素与发育特征,最终实现了预测油气聚集有利发育区目标。
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| 关 键 词： | 古岩溶 深岩溶 碳酸盐岩 油气田 |
Palaeo-karst Research of the Carbonate Oil-gas Field and Its Application to Oil-Gas Exploration and Development |
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| XIA Ri-yuan,TANG Jian-sheng,ZOU Sheng-zhang,LAING Bin,JIN Xin-feng and YAO Xin.Palaeo-karst Research of the Carbonate Oil-gas Field and Its Application to Oil-Gas Exploration and Development[J].Acta Geoscientia Sinica,2006,27(5):503-509. |
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| Authors: | XIA Ri-yuan TANG Jian-sheng ZOU Sheng-zhang LAING Bin JIN Xin-feng and YAO Xin |
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| Institution: | China University of Geoscience, Beijing, 100083; Institute of Karst Geology, CAGS, Guilin, Guangxi, 541004;China University of Geoscience, Beijing, 100083; Institute of Karst Geology, CAGS, Guilin, Guangxi, 541004;China University of Geoscience, Beijing, 100083; Institute of Karst Geology, CAGS, Guilin, Guangxi, 541004;China University of Geoscience, Beijing, 100083; Institute of Karst Geology, CAGS, Guilin, Guangxi, 541004;Institute of Karst Geology, CAGS, Guilin, Guangxi, 541004;Institute of Karst Geology, CAGS, Guilin, Guangxi, 541004 |
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| Abstract: | Palaeo-karst was formed under an ancient stress condition in geological history, and deep karst was formed in a deep buried condition not controlled by the base level of erosion. The major carbonate reservoir space consists of dissolved pores, fractures and caves with obvious heterogeneous anisotropic characteristics and complex distribution features because of the endless karstic process. The formation conditions and controlling factors are composed of the inner factors of carbonate, such as the type of structure, the physical mechanic property, and the geo-environment in every geological epoch. This paper emphasizes the formation mechanism of palaeo-karst and the relationship between palaeo-karst and oil-gas accumulation, and forecasts the favorable areas of oil-gas accumulation on the basis of a systematic study of the formation conditions, the controlling factors and the developmental characteristics of palaeo-karst and deep karst. |
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| Keywords: | palaeo-karst deep karst carbonate oil-gas field |
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