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vsp多波旅行时反演

Keywords: 速度分析,旅行时反演,多波

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Abstract:

?本文基于几何地震学原理,分别利用vsp直达波、反射纵波及上行转换横波旅行时反演层速度。直达波旅行时反演只能获得检波点所在井段地层的速度;上行纵波旅行时反演能获得最深检波器以下地层的速度,即井底以下地层的速度;上行转换横波旅行时反演则能获得横波速度。本文主要研究利用vsp直达波和上行反射波求取井段及井底以下地层的速度,最终根据三维vsp资料获取三维速度体。

References

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[8]  dixch.丁heinterpretationofwell-shotdataiigeophysics,1945,10(1):160-170.
[9]  stewartrr.vspintervalvelocityfromtraveltimeinversion[j].cueophysicalprospectink.1984,32(4):608-628
[10]  stcwartrr.3-dvsp;recenthistoryandfuturepromise.crewesresearchreport,1997,9.
[11]  saloelandschustcrgt.travcltimeinversionofbothdirectandreflectedarrivalsinverticalseismicprofiledata[j].geophysics.1989,54(1):49-56
[12]  贺元凯.v8p速度分析[j].石油地球物理勘探.1987,22(3):341-344??浏览
[13]  王成礼,叶占清.利用非零井源距vsp资料计算层速度[j].石油地球物理勘探.1988,23(5):616-619??浏览
[14]  周熙襄,钟本善.用旅行时反演确定层速度的横向变化.石油地球物理勘探,1992,27(1);59-72.zhouxi-xiang,zhongben-shan.determinationoflateralintervalvelocityvariationusingtraveltimeinversion,ogp,1992,27(1):59-72.
[15]  陈信平.由vsp初至时间反演层速度的算法和误差估计[j].石油地球物理勘探.1992,27(6):744-752??浏览
[16]  徐仲达,郝晓红,徐翔之等.用vsp数据中下行p-sv转换横波求取横波速度.石油物探,2002,41(3):274-278.xuzhong-da,haoxiao-hong,xuxiang-zhietal.estimationofvelocitiesofvelocitiesofshear-wavessuingdownwardconvertedp-svwavesinvspdata.gpp,2002,91(3):274-278.
[17]  张继国.vsp横波速度反演实用性研究[j].石油地球物理勘探.2006,41(6):697-705??浏览
[18]  李百龙,严又生,白俊辉等.轮占38井三维vsp数据采集方法探讨.石油物探,2006,45(3);299-303.liyun-long,yanyou-shcng,banjun-huietal.researchinto3-dvspacquisitionmethodforwellungu38.gpp,2006,45(3):299-303.

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