OALib Journal期刊
ISSN: 2333-9721
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海上空气枪点震源阵列的优化设计及应用
Keywords: 气枪阵列,点震源阵列设计,远场子波,海上地震勘探
Abstract:
?常规海上气枪阵列震源激发的远场子波信号存在明显方向性差异,难以满足海上(或obc)宽方位三维地震数据采集所需的点震源要求.基于地震波传播理论,本文探讨了无方向性差异点震源阵列的设计原理,并提出了理想点震源阵列设计方案.即通过非对称性分布的点震源阵列(如交错排列)优化设计,筛选出的优化子波模拟的远场子波信号适用于特定海洋勘探环境下宽方位地震数据采集.最终地震成像剖面显示:洼陷边界及内幕成像明显改善,洼陷底界波组连续性较好,洼陷内幕反射能量得到提高.
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[2] | haddowk.theeffectsofsourcearraycrosslinedirectivityon3dmigration.firstbreak,1991,9(9):427-431.
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[3] | hopperstadj,synnevaagjandvermeerp.anazimuth-invariantsourcearray.segtechnicalprogramexpandedabstracts,2001,20:52-55.
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[4] | quigleyj.anintegrated3dacquisitionandprocessingtechniqueusingpointsourcesandpointreceivers.segtechnicalprogramexpandedabstracts,2004,23:17-20.
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[5] | moldoveanun,uribej.point-source/point-receiverlandacquisition:torrecillas-mexicoexperiment.segtechnicalprogramexpandedabstracts,2004,23:21-24.
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[6] | saundersm,howed,kommedaljetal.aneffi-cient,compactomni-directionalairgunarrayforthevalhall4d/4cseismicsurvey.66theageconference&exhibition,extendedabstracts,2004,h018.
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[7] | hopperstadjf,lawsr.whereisthecenterofamulti-depthmarinesourcearray.segtechnicalprogramexpandedabstracts,2008,27:40-44.
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[8] | niangc,niyandsvayj.monitoringofair-gunsourcesignaturedirectivity.segtechnicalprogramexpandedabstracts,2013,32:41-45.
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[9] | 陈浩林,宁书年,熊金良等.气枪阵列子波数值模拟[j].石油地球物理勘探.2003,38(4):363-368??浏览
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[10] | chenhaolin,ningshunian,xiongjinliangetal.numericalsimulationofair-gunarraywavelet[j].ogp.2003,38(4):363-368??浏览
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[11] | 陈浩林,全海燕,刘军等.基于近场测量的气枪阵列模拟远场子波[j].石油地球物理勘探.2005,40(6):703-707??浏览
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[12] | chenhaolin,quanhaiyan,liujunetal.simulationoffar-fieldwaveletbasedonnear-fieldmeasuringgun-array.ogp2005,40(6):703-707.
|
[13] | 杨怀春,高生军.海洋地震勘探中空气枪震源激发特征研究[j].石油物探.2004,43(4):323-326
|
[14] | yanghuaichun,gaoshengjun.thesignaturesofseismicwavleteexcitedbyairgunsinmarineseismicsurvey.gpp,2004,43(4):323-326.
|
[15] | 李绪宣,温书亮,顾汉明等.海上气枪阵列震源子波模拟研究.中国海上油气,2009,21(4):216-220
|
[16] | lixuxuan,wenshuliang,guhanmingetal.anumericalsimulationofwaveletsfromoffshoreair-gunarrayseismicsource.chinaoffshoreoilandgas,2009,21(4):216-220.
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