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地质科学  2004, Vol. Issue (2): 223-233    DOI:
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逆掩断层垂向封闭性定量模拟实验及评价方法
付晓飞, 吕延防, 付广, 文慧俭
大庆石油学院勘探系, 黑龙江, 大庆, 163318
QUANTITATIVE SIMULATION EXPERIMENT AND EVALUATION METHOD FOR VERTICAL SEAL OF OVERTHRUST
Fu Xiaofei, L? Yanfang, Fu Guang, Wen Huijian
Department of Exploration, Daqing Petroleum Institute, Daqing, Heilongjiang 163318
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摘要 在正确分析逆掩断层形成的地质条件和封闭机理的基础上,本文认为与逆掩断层相伴生的塑性岩石的变形特征、断面压力和断裂带中泥质含量是影响断层垂向封闭性的主要因素。进行了断裂带填充物中泥质含量与断层封闭性定量关系物理模拟实验,并分析了岩石变形特征对断层封闭性的影响,建立了断层封闭性评价标准,提出了利用断裂带填充物质的性质、断面压力和膏泥岩变形特征评价断层封闭性方法。选择了库车坳陷克拉 3号构造进行了实例分析,结果表明该方法具有可靠性
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付晓飞
吕延防
付广
文慧俭
关键词逆掩断层   垂向封闭性   定量模拟实验   岩石变形   评价方法     
Abstract: Based on study on the formation conditions of overthrust and its seal mechanism, this paper considered that the main factors influencing vertical seal of overthrust depended on deformation characteristics of plastic rocks accompaning overthrust, pressure exerted on fault zone and mudstone content in fault zone. A simulation experiment on the quantitative relation between mudstone content in fault zone and vertical seal of overthrust was carried out. In addition, this paper analyzed the influence of deformation characteristics of rocks on vertical seal of fault. The evaluation standard for vertical seal of fault was established which put forward a method evaluating vertical seal of fault by the mudstone content in fault zone, the pressure exerted on fault plane and the deformation characteristics of gypsum bearing mudstone. Taking the Kela 3 Structure in the Kuqa Depression as an example, the vertical seal of fault was studied, and the results indicated the method being reliable.
Key wordsOverthrust   Vertical seal   Quantitative simulation experiment   Deformation characteristics   Evaluation method   
收稿日期: 2002-06-27;
基金资助:本文为黑龙江省普通高等学校骨干创新能力资助计划项目(2002-7)资助成果.
引用本文:   
付晓飞,吕延防,付广等. 2004, 逆掩断层垂向封闭性定量模拟实验及评价方法. 地质科学, (2): 223-233.
Fu Xiaofei,L? Yanfang,Fu Guang et al. QUANTITATIVE SIMULATION EXPERIMENT AND EVALUATION METHOD FOR VERTICAL SEAL OF OVERTHRUST[J]. Chinese Journal of Geology, 2004, (2): 223-233.
 
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[1] 刘俊来, 岛田充彦. 实验变形岩石低温破裂作用的微观机制[J]. 地质科学, 1999, (2): 242-250.
 
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