基于Manhattan距离的相干体技术的应用
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摘要
地震相干体技术可以有效地压制连续性,突出不连续性,比地震切片的地质解释更直观,能更细致地进行断层解释。基于Manhattan距离的相干体技术,与传统的C1相干算法进行比较,该技术不仅在断层识别能力方面要强于C1相干算法,而且当利用两种算法获取断层信息的效果相当时,该技术的相关时窗长度要比C1相干算法所用的相关时窗长度小,这恰能提高程序的运行速度,提高了地震相干体技术的运行效率。此外,该相干体技术也能近似计算出每道在纵横测线方向上的视时间倾角。
Seismic coherence technique can effectively suppress the continuity and highlight the discontinuity,which is more intuitive than those of the geological interpretation of geological slices and has more detailed interpretation on the fault.Compared the coherence technique based on the Manhattan distance with the C1 coherence algorithm,this technique is not only stronger than C1 coherence algorithm in fault identification capabilities,but also has the smaller time window than the C1 coherence algorithm when the two algorithms have equivalent fault information,which can improve the speed of program and the operating efficiency of seismic coherence techniques.The coherence technique based on the Manhattan distance can also compute the visual time angle of every path in horizontal-vertical lines approximately as the C1 coherence algorithm works.
Seismic coherence technique can effectively suppress the continuity and highlight the discontinuity,which is more intuitive than those of the geological interpretation of geological slices and has more detailed interpretation on the fault.Compared the coherence technique based on the Manhattan distance with the C1 coherence algorithm,this technique is not only stronger than C1 coherence algorithm in fault identification capabilities,but also has the smaller time window than the C1 coherence algorithm when the two algorithms have equivalent fault information,which can improve the speed of program and the operating efficiency of seismic coherence techniques.The coherence technique based on the Manhattan distance can also compute the visual time angle of every path in horizontal-vertical lines approximately as the C1 coherence algorithm works.
引文
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[9]熊翥.地震数据处理应用技术[M].北京:石油工业出版社,2003:200-400.XIONG Zhu.The data processing and the seismic inter-pretation[M].Beijing:Petroleum Industry Press,2003:200-400.
[10]Marfurt K J,Kirlin R L,Farmer S L,et al.3-D seis-mic attributes using a semblance,based coherency algo-rithm[J].Geophysics,1998,63(4):1150-1165.
[11]Bahorich M,Farmer S.3D seismic discontinuity for faults and stratigraphic feathers:the coherence cube[J].The Leading Edge,1995,14(10):1053-1058.
[12]撒利明.缝洞型储层地震识别理论与方法[M].北京:石油工业出版社,2010:128-138.SA Li-ming.Vuggy reservoir seismic identification theo-ry and methods[M].Beijing:Petroleum Industry Press,2010:128-138.
[13]安勇.利用地震波组特征的精细相干扫描方法[J].石油地球物理勘探,2009,44(4):406-408.AN Yong.Seismic wave group characteristics of the fine coherent scanning method[J].Oil Geophysical Pros-precting,2009,44(4):406-408.
[14]苑书金.地震相干体技术的研究综述[J].勘探地球物理进展,2007,30(1):7-16.YUAN Shu-jin.A review of seismic coherence tech-niques[J].Progress in Exploration Geophysics,2007,30(1):7-16.
[15]李勤英,阎育英,赵爱武.地震资料全三维精细构造解释技术研究[J].断块油气田,2001,8(1):61-91.LI Qin-ying,YAN Yu-ying,ZHAO Ai-wu.Fine struc-ture interpretation with3D imensional seismic data[J].Fault Block Oil&Gas Field,2001,8(1):61-91.
[2]李正文,赵志超.地震勘探资料解释[M].北京:地质出版社,1988:100-200.LI Zheng-wen,ZHAO Zhi-chao.Seismic data interpreta-tion[M].Beijing:Geological Publishing House,1988:100-200.
[3]王怀洪,王秀东,吴兴宇,等.地震数据体解析断裂小构造方法研究[C]//刘元生.山东地球物理六十年.青岛:中国海洋大学出版社,2009:397-406.WANG Huai-hong,WANG Xiu-dong,WU Xing-yu,et al.Research on seismic data analysis rupture of small structures[C]//LIU Yuan-sheng.Conference papers of Shandong geophysics sixty years.Qingdao:China O-cean University Press,2009:397-406.
[4]闫德庆,庞留彦,仲其涛,等.C1相干算法及其在三维地震勘探解释中的应用[J].物探化探计算技术,2001,23(3):206-209,271.YAN De-qing,PANG Liu-yan,ZHONG Qi-tao,et al.C1coherence algorithm and its application in the interpre-tation of3d seismic exploration[J].Computing Tech-niques for Geophysical and Geochemical Exploration,2001,23(3):206-209,271.
[5]丛茂祥,李洪亮.C1相干算法及其在三维地震资料处理解释中的应用[J].中国煤田地质,2005,17(2):49-50,70.CONG Mao-xiang,LI Hong-liang.The application of C1 coherence algorithm in the interpretation of3D seismic ex-ploration[J].Coal Geology of China,2005,17(2):49-50,70.
[6]向富强.地震相干分析和时频分析方法及其在储层描述中的应用:硕士毕业论文[D].成都:成都理工大学,2008.XIANG Fu-qiang.Coherence analysis and time-frequency analysis of seismic data and with their applications in res-ervoir characteristies:master's degree thesis[D].Chengdu:Chengdu University of Technology,2008.
[7]付雷,田晓冬,闫庆学,等.相干体技术在三维地震资料中的应用[J].世界地质,2000,19(3):270-281.FU Lei,TIAN Xiao-dong,YAN Qing-xue,et al.The technique of the coherence cube in3-D seismic data[J].Global Geology,2000,19(3):270-281.
[8]边树涛,董艳蕾,苏晓军,等.地震相干体技术识别低序级断层方法研究[J].世界地质,2007,26(3):368-374.BIAN Shu-tao,DONG Yan-lei,SU Xiao-jun,et al.Re-search of identifing low ordinal fault with seismic coher-ence techniques[J].Global Geology,2007,26(3):368-374.
[9]熊翥.地震数据处理应用技术[M].北京:石油工业出版社,2003:200-400.XIONG Zhu.The data processing and the seismic inter-pretation[M].Beijing:Petroleum Industry Press,2003:200-400.
[10]Marfurt K J,Kirlin R L,Farmer S L,et al.3-D seis-mic attributes using a semblance,based coherency algo-rithm[J].Geophysics,1998,63(4):1150-1165.
[11]Bahorich M,Farmer S.3D seismic discontinuity for faults and stratigraphic feathers:the coherence cube[J].The Leading Edge,1995,14(10):1053-1058.
[12]撒利明.缝洞型储层地震识别理论与方法[M].北京:石油工业出版社,2010:128-138.SA Li-ming.Vuggy reservoir seismic identification theo-ry and methods[M].Beijing:Petroleum Industry Press,2010:128-138.
[13]安勇.利用地震波组特征的精细相干扫描方法[J].石油地球物理勘探,2009,44(4):406-408.AN Yong.Seismic wave group characteristics of the fine coherent scanning method[J].Oil Geophysical Pros-precting,2009,44(4):406-408.
[14]苑书金.地震相干体技术的研究综述[J].勘探地球物理进展,2007,30(1):7-16.YUAN Shu-jin.A review of seismic coherence tech-niques[J].Progress in Exploration Geophysics,2007,30(1):7-16.
[15]李勤英,阎育英,赵爱武.地震资料全三维精细构造解释技术研究[J].断块油气田,2001,8(1):61-91.LI Qin-ying,YAN Yu-ying,ZHAO Ai-wu.Fine struc-ture interpretation with3D imensional seismic data[J].Fault Block Oil&Gas Field,2001,8(1):61-91.
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