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OALib Journal期刊
ISSN: 2333-9721
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基于叠前黏滞—弥散波动方程的数值模拟
Keywords: 叠前数值模拟,黏滞—弥散波动方程,地震响应,低频阴影,调谐,衰减,含流体储层
Abstract:
？地震响应中的低频阴影现象与含油气储层有很大关联，针对含流体储层提出的黏滞—弥散波动方程理论能较好地模拟两者之间的关系。本文将叠前数值模拟与该理论相结合，定量地分析了黏滞—弥散理论中不同参数对地震响应的影响：①黏滞系数越大，地震波能量衰减越大，高频成分衰减越剧烈；②弥散系数越大，地震波能量衰减越大，衰减与频率无关；③品质因子越小，地震波相位变化越大。在此基础上，定性地给出了低频阴影现象与黏滞系数、弥散系数、储层厚度之间的关系。另外，本文还探讨了低频阴影形成机理、相速度—频散关系式中存在的问题及如何分解薄储层的调谐问题。
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| [2] | tanermt,koehlerf,sheriffre.complexseismictraceanalysis[j].geophysics.1979,44(6):1041-1063
|
| [3] | huanghandong,zhangruwei,lijinboetal.highprecisionseismictime-frequencyspectrumdecompositionmethodanditsapplication[j].ogp.2012,47(5):773-780？？浏览
|
| [4] | castagnajp,suns,siegfriedrw.instantaneousspectralanalysis:detectionoflowfrequencyshadowsassociatedwithhydrocarbon[j].theleadingedge.2003,22(2):120-127
|
| [5] | ebromd.thelow-frequencygasshadowonseismicsection[j].theleadingedge.2004,23(8):772-
|
| [6] | korneevva,goloshubingm,daleytmetal.seismiclow-frequencyeffectsinmonitoringfluid-saturatedreservoirs[j].geophysics.2004,69(2):522-532
|
| [7] | hezhenhua,xiongxiaojun,bianlien.numericalsimulationofseismiclow-frequencyshadowsanditsapplication[j].appliedgeophysics.2008,5(4):301-306
|
| [8] | 陈学华,贺振华,文晓涛等.低频阴影的数值模拟与检测.石油地球物理勘探,2009,40(3):298-303.
|
| [9] | chenxuehua,hezhenhua,wenxiaotaoetal.numericsimulationanddetectionoflowfrequencyshadow.ogp,2009,40(3):298-303.
|
| [10] | gazdagj,sguazzerop.migrationofseismicdatabyphaseshiftplusinterpolation[j].geophysics.1984,49(2):124-131
|
| [11] | 黄捍东,张如伟,李进波等.高精度地震时频谱分解方法及应用[j].石油地球物理勘探.2012,47(5):773-780？？浏览
|
| [12] | goloshubingm,korneevva.seismiclow-frequen-cyeffectsfromfluid-saturatedreservoir.segtechnicalprogramexpandedabstracts,2000,19:1671-1674.
|
| [13] | goloshubingm,korneevva,vingalovvm.seismiclow-frequencyeffectsfromoil-saturatedreservoirzone.segtechnicalprogramexpandedabstracts,2002,21:1813-1816.
|
| [14] | gazdagj.waveequationmigrationwiththephaseshiftmethod[j].geophysics.1978,43(7):1342-1351
|
| [15] | futtermanwi.dispersivebodywaves.geophysicsreprintseries,1962,67(52):5279-5291.
|
| [16] | 高静怀,陈文超,李幼铭等.广义s变换与薄互层地震响应分析.地球物理学报,2003,46(4):526-532.
|
| [17] | gaojinghuai,chenwenchao,liyoumingetal.generalizedstransformandseismicresponseanalysisofthininterbeds[j].chinesejournalofgeophysics.2003,46(4):526-532
|
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