OALib Journal期刊
ISSN: 2333-9721
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贝叶斯全频信息同时反演在鄂尔多斯盆地碳酸盐岩储层预测中的应用
Keywords: 贝叶斯同时反演,全频信息,碳酸盐岩储层,鄂尔多斯盆地
Abstract:
?鄂尔多斯盆地西侧奥陶系碳酸盐岩储层的地质、地球物理特征表现为:储层厚度较小,非均质性强、地震资料主频低,常规反演结果分辨率较低,且石炭系底煤层反射能量很强,完全淹没了溶洞反射,不能满足该区碳酸盐岩储层描述的精度要求。为此,本文提出了贝叶斯地震数据全频信息同时反演方法,首先利用谱分解技术将地震数据分解为不同频带的数据,然后在贝叶斯反演框架下,将地震数据的高、中、低频信息同时进行反演,从而充分利用了地震优势频带之外的信息(特别是高频信息),反演结果能够清晰地反映溶洞位置和横向展布情况,可为该区奥陶系碳酸盐岩储层表征提供有力的技术支撑。
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[13] | gislainb,madibag,mcmechana.seismicimpedanceinversionandinterpretationofagascarbonatereservoirinthealbertafoothills,westerncanada[j].geophysics.2003,68(5):1460-1469
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[14] | 蒋加钰.鄂尔多斯盆地储层横向预测技术.北京:石油工业出版社,2005.
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[15] | 李宗杰,王胜泉.地震属性参数在塔河油田储层含油气性预测中的应用[j].石油物探.2004,43(5):453-457
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[16] | lizongjie,wangshengquan.applicationofseismicattributesinthepredictionofoil&gaspotentialintaheoilfield.gpp,2004,43(5):453-457.
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[18] | marfurtkj,kirlinlr.narrow-bandspectralanalysisandthinbedtuning[j].geophysics.2001,66(4):1274-1283
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[19] | 陈学华,贺振华,黄德济.基于广义s变换的地震资料高效时频谱分解[j].石油地球物理勘探.2008,43(5):530-534??浏览
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[20] | chenxuehua,hezhenhua,huangdeji.high-efficienttime-frequencyspectrumdecompositionofseismicdatabasedongeneralizedstransform[j].ogp.2008,43(5):530-534??浏览
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[25] | 杨培杰,印兴耀,张欣.叠后地震盲反演及其应用[j].石油地球物理勘探.2008,43(3):284-290??浏览
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[26] | yangpeijie,yinxingyao,zhangxin.poststackseismicblindinversionandapplication[j].ogp.2008,43(3):284-290??浏览
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