| 多点地质统计学：理论、应用与展望 |
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| 引用本文： | 吴胜和,李文克.多点地质统计学：理论、应用与展望[J].古地理学报,2005,7(1):137-144. |
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| 作者姓名： | 吴胜和 李文克 |
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| 作者单位： | 石油大学 北京102249 |
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| 摘 要： | 本文系统地介绍了多点地质统计学的基本原理及方法，并以我国渤海湾盆地某区块新近系明化镇组河流相储层为例，进行了多点统计学随机建模的实例分析。多点地质统计学为储层随机建模的国际前沿研究方向，该方法综合了基于象元的方法易忠实条件数据以及基于目标的方法易再现目标几何形态的优点，同时克服了传统基于变差函数的二点统计学不能表达复杂空间结构和再现目标几何形态的不足。通过理论与实例研究，分析了目前多点统计学尚存在的问题(包括训练图像平稳性问题、目标连续性问题以及综合软信息的问题等)及未来发展的方向。
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| 关 键 词： | 多点地质统计学 储层 随机建模 |
| 文章编号： | 1671-1505(2005)01-0137-08 |
| 修稿时间： | 2004年5月31日 |
Multiple-point geostatistics: theory,application and perspective |
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| Wu Shenghe,Wu Wenke.Multiple-point geostatistics: theory,application and perspective[J].Journal of Palaeogeography,2005,7(1):137-144. |
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| Authors: | Wu Shenghe Wu Wenke |
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| Institution: | University of Petroleum, Beijing 102249 |
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| Abstract: | This paper presents systematically the principle and methods of multiple-point geostatistics,and a case study of stochastic modeling is made,taking the fluvial reservoir of the Minghuazhen Formation of Neogene in a certain block of Bohai Bay Basin in China as an example.Multiple-point geostatistics is a promising discipline in stochastic reservoir modeling.This approach combines the easy conditioning of pixel-based algorithms with the ability to reproduce object geometry of object-based techniques.It overcomes the drawbacks that traditional variogram-based two-point geostatistics can not express joint variability of more than two locations at a time and reproduce crisp geometries.Through the theory and case analysis some present problems and further study suggestions are discussed such as the stationarity of training images,object continuity,and integration of soft information. |
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| Keywords: | multiple-point geostatistics reservoir stochastic modeling |
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