地震影像分析方法及其应用效果
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摘要
随着地震沉积学解释技术的快速发展,如何利用地震多属性参数研究地震层序切片,进而指导地震沉积解释重新引起了人们的关注。由于地震属性的多解性导致计算机自动分类存在着计算量大、地质意义不明确等问题,本文介绍了一种基于地震影像处理的地震相自动分类方法,采用地质意义明确且相互独立的三种地震谱属性(有效带宽、主频、主频振幅),对金山气田火石岭组上段进行地震相划分,取得了较好的效果。
With the rapid development of explain technology of seismic sedimentology,how to make use of seismic multi-attribute parameters to study seismic sequence slice then to guide seismic sedimentary interpretation cause the attention of people.Due to the uncertainty of seismic attributes leading to a large amount of calculation of computer automatic classification and unclear geological significance,this paper introduces a kind of seismic facies automatic classification method based on the seismic image processing.The clear geological significance and independent of each other of three seismic spectral properties(effective bandwidth,frequency,frequency amplitude)are used to classified seismic facies in the upper of Jinshan gas filed Huohshi group,and good effects have been achieved.
With the rapid development of explain technology of seismic sedimentology,how to make use of seismic multi-attribute parameters to study seismic sequence slice then to guide seismic sedimentary interpretation cause the attention of people.Due to the uncertainty of seismic attributes leading to a large amount of calculation of computer automatic classification and unclear geological significance,this paper introduces a kind of seismic facies automatic classification method based on the seismic image processing.The clear geological significance and independent of each other of three seismic spectral properties(effective bandwidth,frequency,frequency amplitude)are used to classified seismic facies in the upper of Jinshan gas filed Huohshi group,and good effects have been achieved.
引文
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[2]李长红,江洁.频谱成像技术及其在储层预测中的应用[J].油气地球物理,2008,(4).
[3]杨艳,卢黎霞,龚志祥,等.谱分解技术在断层识别上的应用[J].复杂油气藏,2009,(1).
[4]曾洪流.地震沉积学在中国:回顾和展望.沉积学报,2011,(6).
[5]张宏.地震谱分解算法对比与局限性分析.勘探地球物理进,2007,(12).
[6]张学娟,卢双舫,贾承造.基于沉积特征分区域的多元地震属性储层定量预测方法[J].石油地球物理勘探,2012,47(1).
[7]刘庆敏,杨午阳,田连玉,等.基于经验模态分解的地震相分析技术[J].石油地球物理勘探,2010,增刊45(1).
[8]陈双全,季敏.地震数据结构张量相干计算方法[J].石油物探,2012,51(3).
[9]贺电波,杜晓峰,李才,等.渤中21-2潜山内幕地层的地震识别与划分[J].石油物探,2011,50(1).
[10]刘力辉,王绪本,陈雪菲.地震地貌学在L区浊积砂体预测中的应用[J].石油物探,2011,50(3).
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