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| 碳酸盐岩溶洞型储集体地质建模的几个关键问题 | |
| 引用本文： | 侯加根,马晓强,胡向阳,刘钰铭,齐得山.碳酸盐岩溶洞型储集体地质建模的几个关键问题[J].高校地质学报,2013,19(1):64-69. |
| 作者姓名： | 侯加根 马晓强 胡向阳 刘钰铭 齐得山 |
| 作者单位： | 中国石油大学(北京)地球科学学院;中国石化石油勘探开发研究院 |
| 基金项目： | 973项目2011CB201003《碳酸盐岩缝洞型油藏开采机理及提高采收率基础研究》;国家重大专项2011ZX05014《碳酸盐岩油田开发关键技术》联合资助 |
| 摘 要： | 与常规储层不同，碳酸盐岩溶洞型储层是一种由古岩溶作用形成的特殊储层，其发育特征复杂，非均质性极强，碎
屑岩储层建模中较为成熟的方法并不适用于该类储层。本文在分析现有研究成果的基础上，以塔河油田为例，讨论了溶洞
型储集体建模中的几个关键问题：以溶洞型储集体成因特征为前提实现地质约束，考虑建模软硬数据的相对性，进行多类
多尺度数据整合以及较完善的溶洞型储集体形态模拟方法；对溶洞型储集体建模研究中亟待发展的问题进行了展望，指出
表征溶洞型储集体复杂形态、配置关系及内部充填特征是下一步的研究方向；认为多点地质统计学方法在表征溶洞型储集
体复杂形态方面是可行的，根据溶洞型储集体充填程度及充填物类型进行属性表征有利于建立更准确的地质模型。 |
| 关 键 词： | 塔河油田 碳酸盐岩 溶洞 地质建模 |
Key Issues of 3D Geological Modeling of Paleokarst-Cave Carbonate Reservoir |
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| HOU Jiagen,MA Xiaoqiang,HU Xiangyang,LIU Yuming,QI Deshan.Key Issues of 3D Geological Modeling of Paleokarst-Cave Carbonate Reservoir[J].Geological Journal of China Universities,2013,19(1):64-69. | |
| Authors: | HOU Jiagen MA Xiaoqiang HU Xiangyang LIU Yuming QI Deshan |
| Institution: | 1.College of Geosciences,China University of Petroleum,Beijing 102249,China;2.Petroleum Exploration and Production Institute,SINOPEC,Beijing 100191,China |
| Abstract: | Paleokarst cave carbonate reservoir is a kind of special reservoir formed by karstification, and it possesses complex development characteristic and extremely strong heterogeneity. So the conventional modeling method of clastic reservoir can not be applicable to paleokarst carbonate reservoir. Based on the analysis of state-of-art research, taking the Tahe oilfield as an example, several key issues of paleokarst cave reservoir modeling are discussed, including the causes of reservoir, making use of soft and hard data for modeling, an improved modeling method by considering vertical zoning of karst, planar partition of paleogeomorphology and karst facies. Several problems needed to be improved are discussed as well, including mathematical algorithms and characterization of reservoir petrophysical property. We suggest that the characterization of complex shape, assembly relations and internal filling characteristic would be topics for future research. The application of multiple point geostatistics is feasible. Petrophysical property characterization according to reservoir filling degree and the fillings type is helpful to build more accurate geological model. |
| Keywords: | Tahe oilfield carbonate paleokarst reservoir geological modeling |
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