基于断裂似然体属性精细识别小断裂构造

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英文篇名：Fine identification of small fault structures based on fault likelihood 作者：余攀 ; 彭兴和 ; 曾维望 英文作者：Yu Pan;Peng Xinghe;Zeng Weiwang;Shanxi Shandi Geophysical Prospecting Technology Corporation Ltd.;Chongqing 136Geologial Team; 关键词：三维地震 ; 小断裂构造解释 ; 断裂似然体 英文关键词：3D seismic;;small fault structure interpretation;;Fault Likelihood 中文刊名：HHGZ 英文刊名：Coal and Chemical Industry 机构：山西山地物探技术有限公司;重庆一三六地质队; 出版日期：2018-12-26 出版单位：煤炭与化工 年：2018 期：v.41;No.272 语种：中文; 页：HHGZ201812018 页数：6 CN：12 ISSN：13-1416/TD 分类号：65-69+72

摘要

小断裂构造解释一直是煤矿采区三维地震勘探追求的目标。将断裂似然体属性(Fault Likelihood)检测技术应用在煤矿采区三维地震构造解释中,不仅能准确反映较大断裂构造的发育特征,同时对小的断裂构造也具有较强的分辨能力,有利于煤矿采区安全生产。本文从断裂似然体属性算法的基本原理出发,简要阐述断裂似然体属性的概念及计算流程,并通过实例成果分析、对比,表明了与常规相干属性、方差属性相比,断裂似然体属性检测小断裂构造的技术在煤矿采区三维地震勘探中的优势。
        Interpretation of small fault structure has always been the goal of 3D seismic exploration in coal mining area. The new detection technology based on Fault Likelihood showed that it not only accurately reflected the development characteristics of larger faults, but also had a strong resolution to small faults, which was conducive to safe production in coal mining areas. Based on the basic principle of Fault Likelihood attributes, the concept and calculation process of fracture likelihood attributes were expounded, compared with semblance attributes and variance attributes, Fault Likelihood attributes detection technology of small fault structure had an important application in coal mining area of 3D seismic exploration.

引文

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