瞬变电磁法拟地震成像研究进展
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摘要
瞬变电磁法是工程地球物理勘察中应用较多的一种勘探方法之一,瞬变电磁法拟地震成像方法研究是当前电磁探测理论与应用研究的热门.文中详细叙述了瞬变电磁法拟地震成像的两种不同思路,一种是建立时间—频率转换经验公式,把TEM数据转换成平面波数据,借鉴大地电磁法拟地震解释思路进行成像,另一种是通过积分变换,把扩散场变成虚拟波场,把电磁衰减信号变成拟地震子波,然后按照地震解释法进行解释,并分析了各自存在的的问题.指出下一步研究的方向.
Transient electromagnetic method(TEM) is one of popular used method in engineering and geophysical exploration,the study of TEM pseudo-seismic imaging is the popular subject in the theory and application of electromagnetic detecting.In this paper,we introduce two ways of TEM pseudo-seismic imaging,one way is transforming TEM data to plane wave data,and finishing TEM pseudo-seismic imaging basing on MT pseudo-seismic method.Another way is transforming diffusion field into pseudo-wave field,and transforming electromagnetic decay signal into pseudo-seismic wavelet,and finish TEM pseudo-seismic imaging basing on seismic method.We analyses the existing problem in the two imaging way and guide the direction of next study.
Transient electromagnetic method(TEM) is one of popular used method in engineering and geophysical exploration,the study of TEM pseudo-seismic imaging is the popular subject in the theory and application of electromagnetic detecting.In this paper,we introduce two ways of TEM pseudo-seismic imaging,one way is transforming TEM data to plane wave data,and finishing TEM pseudo-seismic imaging basing on MT pseudo-seismic method.Another way is transforming diffusion field into pseudo-wave field,and transforming electromagnetic decay signal into pseudo-seismic wavelet,and finish TEM pseudo-seismic imaging basing on seismic method.We analyses the existing problem in the two imaging way and guide the direction of next study.
引文
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[8]嵇艳鞠,林君,朱凯光,等.利用瞬变电磁技术进行地下水资源勘察[J].地球物理学进展,2005,20(3):828~833.
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[24]李茂荣,等.西部地下水资源勘查的综合地球物理问题—以鄂尔多斯盆地白垩系地下水勘查为例[J].地球物理学进展,2001,16(3):119~126.
[25]张保祥,刘春华.瞬变电磁法在地下水勘查中的应用综述[J].地球物理学进展.2004,19(3)537~542.
[26]郭文波,李貅,薛国强.瞬变电磁快速成像解释系统研究[J].地球物理学报.2005,48(6):1400~1405.
[27]薛国强,李貅,宋建平.从瞬变电磁测深数据向平面波场数据的等效转换[J].地球物理学报,2006,49(5),1539~1545.
[28]陈本池,李金铭,周凤桐.瞬变电磁场拟波动方程偏移成像[J].石油地球物理勘探,1999,34(5):546~554.
[29]陈本池,周凤桐,李金铭.瞬变电磁场的波场变换研究[J].物探与化探.1999,23(3):195~201.
[30]Tae J l,Jung H S,Hee J K,Yoonh S,KiHalie.Electromag-netic ravertine Tomography Using Probability Wave-fieldTransform[J].Geophysics.2002,67(1):67~69.
[31]Weidelt P.The inverse problem of geomagnetic induction:Zeit.fur[J].Geophysics.,1972,38,257~298.
[32]Kunetz G.Processing and interpretation of magnetotelluricsoundings[J].Geophysics,1972,37,1005~1021.
[33]Levy S,Oldenburg D,Wang J.Subsurface imaging using mag-netotelluric data[J].Geophysics,1988,53:104~117.
[34]Lee K H.Liu G,Morrison H F.A new approach to model-ing the electromagnetic response of conductive media[J].Geophysics,1989,54(6):1180~1192.
[35]肖庭延,于慎根,王彦飞,反问题的数值解法[M].北京:科学出版社,2003.1-35,143~153.
[36]Lee S,Memechan G A.Phase-field imaging:The electro-magnetic equivalent of seismic migration[J].Geophysics,1987,52(5):678~693.
[37]李貅,薛国强,宋建平,郭文波.从瞬变电磁场到波场的优化算法[J].地球物理学报,2005,48(5):1185~1190.
[38]Zhdanov M S,Booker J R.Underground imaging by electro-magnetic migration[J].In:63rd Ann.Internat.Mtg.Expl.Geophys.,Expanded Abstracts.1993,355~357.
[39]Zhdanov M S,Li W D.2D finite-difference time domain elec-tromagnetic migration[J].In:67th SEG EM2.1.1997,370~373.
[40]De Hoop,Adrian’s T.Transient electromagnetic seismicprospecting?a correspondence principle[J].GeophysicalProspecting.1996,44(6):987~995.
[2]李貅.瞬变电磁测深的理论与应用[M].西安:陕西科学技术出版社,2002.
[3]何继善.电法勘探的发展和展望[J].地球物理学报.1997,40(增刊):308~316.
[4]王家映.大地电磁拟地震解释[M].石油工业出版社.1995.
[5]方文藻,李予国,李貅.瞬变电磁测深法原理[M].西安:西北工业大学出版社,1993.,
[6]嵇艳鞠,林君,王忠.瞬变电磁接收装置对浅层探测的畸变分析与数值剔除[J].地球物理学进展,2007,22(1):262~267.
[7]周逢道,林君,刘长胜,等.浅海底瞬变电磁法接收天线频率特性研究———带宽对浅层分辨的影响[J].地球物理学进展,2006,21(4):1342~1345.
[8]嵇艳鞠,林君,朱凯光,等.利用瞬变电磁技术进行地下水资源勘察[J].地球物理学进展,2005,20(3):828~833.
[9]嵇艳鞠,林君,于生宝,王忠,王静.ATTEM系统中电流关断期间瞬变电磁场响应求解的研究[J].地球物理学报,2006,49(6):1884~1890.
[10]刘长胜,林君.海底表面磁源瞬变响应建模及海水影响分析[J].地球物理学报,2006,49(6):1891~1898.
[11]闫述.瞬变电磁场的直接时域数值分析[J].地球物理学报,2002,45(2):275~284.
[12]闫述,陈明生.瞬变电磁场资料的联合时-频分析解释[J].地球物理学报,2005,48(1):203~208.
[13]王华军,罗延钟.中心回线瞬变电磁法2.5维有限单元算法[J].地球物理学报,2003,46(6):855~862.
[14]Lin J,Cheng D F,Liu G X,et al.Development of the arraytransient electromagnetic system and its experiments[J].Journal of geoscientific research in north east asin.2000,3(1):99~106.
[15]李貅.瞬变电磁虚拟波场的三维曲面延拓成像研究[D].博士学位论文,西安交通大学,2005.
[16]薛国强.回线源瞬变电磁法对地成像方法研究[D].博士学位论文,西安交通大学,2005.
[17]罗延钟,等.时间域航空电磁法一维正演研究[J].地球物理学报,2003,46(5):719~724.
[18]熊彬,等.瞬变电磁2.5维反演中灵敏度矩阵计算方法[J].地球物理学进展,2004,19(3):616~620.
[19]吴钦宝,等.中国东部煤矿深部开采中的地质勘探技术[J].地球物理学进展,2005,20(2):370~373.
[20]白登海,等.时间域瞬变电磁法中心方式全程视电阻率的数值计算[J].地球物理学报,2003,46(5):697~704.
[21]王赤军,等.77KSQUID磁强计在TEM测量上的应用研究[J].地球物理学报,1999,42(9):143~148.
[22]熊彬,罗延钟.电导率分块均匀的瞬变电磁2.5维有限元数值模拟[J].地球物理学报,2006,49(2):590~597
[23]于鹏,王家林,吴健生.大地电磁场成像方法综述与新进展[J].地球物理学进展.2003,18(1):53~58.
[24]李茂荣,等.西部地下水资源勘查的综合地球物理问题—以鄂尔多斯盆地白垩系地下水勘查为例[J].地球物理学进展,2001,16(3):119~126.
[25]张保祥,刘春华.瞬变电磁法在地下水勘查中的应用综述[J].地球物理学进展.2004,19(3)537~542.
[26]郭文波,李貅,薛国强.瞬变电磁快速成像解释系统研究[J].地球物理学报.2005,48(6):1400~1405.
[27]薛国强,李貅,宋建平.从瞬变电磁测深数据向平面波场数据的等效转换[J].地球物理学报,2006,49(5),1539~1545.
[28]陈本池,李金铭,周凤桐.瞬变电磁场拟波动方程偏移成像[J].石油地球物理勘探,1999,34(5):546~554.
[29]陈本池,周凤桐,李金铭.瞬变电磁场的波场变换研究[J].物探与化探.1999,23(3):195~201.
[30]Tae J l,Jung H S,Hee J K,Yoonh S,KiHalie.Electromag-netic ravertine Tomography Using Probability Wave-fieldTransform[J].Geophysics.2002,67(1):67~69.
[31]Weidelt P.The inverse problem of geomagnetic induction:Zeit.fur[J].Geophysics.,1972,38,257~298.
[32]Kunetz G.Processing and interpretation of magnetotelluricsoundings[J].Geophysics,1972,37,1005~1021.
[33]Levy S,Oldenburg D,Wang J.Subsurface imaging using mag-netotelluric data[J].Geophysics,1988,53:104~117.
[34]Lee K H.Liu G,Morrison H F.A new approach to model-ing the electromagnetic response of conductive media[J].Geophysics,1989,54(6):1180~1192.
[35]肖庭延,于慎根,王彦飞,反问题的数值解法[M].北京:科学出版社,2003.1-35,143~153.
[36]Lee S,Memechan G A.Phase-field imaging:The electro-magnetic equivalent of seismic migration[J].Geophysics,1987,52(5):678~693.
[37]李貅,薛国强,宋建平,郭文波.从瞬变电磁场到波场的优化算法[J].地球物理学报,2005,48(5):1185~1190.
[38]Zhdanov M S,Booker J R.Underground imaging by electro-magnetic migration[J].In:63rd Ann.Internat.Mtg.Expl.Geophys.,Expanded Abstracts.1993,355~357.
[39]Zhdanov M S,Li W D.2D finite-difference time domain elec-tromagnetic migration[J].In:67th SEG EM2.1.1997,370~373.
[40]De Hoop,Adrian’s T.Transient electromagnetic seismicprospecting?a correspondence principle[J].GeophysicalProspecting.1996,44(6):987~995.
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