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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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应用周期性成层patchy模型分析薄层反射特征
Keywords: 薄层,周期性成层patchy模型,衰减,振幅谱,相位谱
Abstract:
？针对地下薄储层的物性对地震波的传播和储层厚度的定量预测影响大的问题,基于周期性成层patchy模型对薄层进行描述,详细推导了地震波在孔隙薄层介质中的传播规律,给出了薄层反射波的振幅和相位的表达式.针对不同物性参数,进一步分析薄层内地震波多次反射叠加后的振幅谱和相位谱特征,发现薄储层的渗透率、孔隙度和饱和度对薄层多次反射波的振幅和相位的峰值频率均有影响,因此,利用薄层厚度对峰值频率的影响规律预测薄层厚度时,必须考虑薄层的物性参数.利用周期性层状patchy模型建立的薄层介质,克服了均匀各向同性完全弹性薄层介质的局限性.数值分析结果为薄储层的地震资料解释提供了理论依据.
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| [18] | 张铁强,孙鹏远,钱忠平等.薄煤层avo响应特征分析[j].石油地球物理勘探.2013,48(4):597-603？？浏览
|
| [19] | zhangtieqiang,sunpengyuan,qianzhongpingetal.avoanalysisonthincoalbed[j].ogp.2013,48(4):597-603？？浏览
|
| [20] | 胡恒山,王克协.孔隙介质声学理论中的动态渗透率.地球物理学报,2001,44(1):135-141]huhengshan,wangkexie.dynamicpermeabilityinporoelasticmediumacoustics.chinesejournalofgoephysics,2001,44(1):135-141.
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|
| [22] | liujiong,majianwei,yanghuizhu.researchondispersionandattenuationofpwaveinperiodiclayered-modelwithpatchysaturation.chinesejournalofgoephysics,2009,52(11):2879-2885.
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| [23] | 邓继新,王尚旭,杜伟.介观尺度孔隙流体流动作用对纵波传播特征的影响研究——以周期性层状孔隙介质为例.地球物理学报,2012,55(8):2716-2727
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| [24] | dengjixin,wangshangxu,duwei.astudyoftheinfluenceofmesoscopicporefluidflowonthepropagationpropertiesofcompressionalwave-acaseofperiodiclayeredporousmedia.chinesejournalofgoephysics,2012,55(8):2716-2727.
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|
| [26] | johnsondl.theoryoffrequencydependentacousticsinpatchy-saturatedporousmedia[j].journaloftheacousticalsocietyofamerica.2001,110(2):682-694
|
| [27] | biotma.mechanicsofdeformationandacousticpropagationinporousmedia[j].journalofappliedphysics.1962,33(4):1482-1498
|
| [28] | sternm,bedforda,millwaterhr.wavereflectionfromasedimentlayerwithdepth-dependentproperties.thejournaloftheacousticalsocietyofamerica,1985,77(5):1043-1063.
|
| [29] | quintalb,schmalholzsm,podladchikovyy.low-frequencyreflectionsfromathinlayerwithhighattenuationcausedbyinterlayerflow.geophysics,2009,74(1):n15-n23.
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| [30] | 孙成禹,李振春.地震波动力学基础.北京:石油工业出版社,2011.
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