PP波和PS波联合反演研究进展
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摘要
随多波多分量地震勘探的发展,PP波和PS波联合反演方法研究在近年取得了一定进展。PS波是S波的一种,无法在流体中传播,因此对岩石组构的内部构造更为敏感。联合使用PP波和PS波数据,可以提高从多波地震数据中推导弹性阻抗和岩石性质参数的能力,减少地震反演中的不确定性。本文综述近年PP波和PS波联合反演方法的发展。简述了PP波和PS波联合反演的基本理论,所有的联合反演方法都是基于PP波和PS波反射系数的Aki-Richards近似公式。其次,常用联合反演方法的算法及其反演结果参数。因为使用了相互独立的PP波和PS波数据,联合反演方法的算法比单独的PP波反演更为稳定。展望了PP波和PS波联合反演方法的发展趋势。
The joint inversion of PP and PS waves are widely studied in recent years with the developments of multi-wave and multi-component seismic explorations. As a kind of S wave,PS wave can not propagate through fluids and therefore is more sensitive to the internal structure of rock fabrics. The combined use of PP and PS wave data might provide better means to identify elastic impedance and rock property parameters from multi-wave seismic data and thereby to reduce the uncertainty in the seismic inversion. The recent research developments in the joint inversion methods of PP and PS waves are reviewed in this paper. Firstly,a brief introduction of the basic theory of the joint inversion methods is given. All joint inversion methods are based on the Aki-Richards approximated linear expressions of PP and PS wave reflection coefficients. Secondly,the algorithms and the inverted results of elastic parameters of the joint inversion methods are discussed. Comparing to inversion methods using PP wave only,the algorithms of the joint inversion methods are more stable by combining the two independent PP and PS wave seismic data. At last,the further development of the joint inversion methods is commented.
The joint inversion of PP and PS waves are widely studied in recent years with the developments of multi-wave and multi-component seismic explorations. As a kind of S wave,PS wave can not propagate through fluids and therefore is more sensitive to the internal structure of rock fabrics. The combined use of PP and PS wave data might provide better means to identify elastic impedance and rock property parameters from multi-wave seismic data and thereby to reduce the uncertainty in the seismic inversion. The recent research developments in the joint inversion methods of PP and PS waves are reviewed in this paper. Firstly,a brief introduction of the basic theory of the joint inversion methods is given. All joint inversion methods are based on the Aki-Richards approximated linear expressions of PP and PS wave reflection coefficients. Secondly,the algorithms and the inverted results of elastic parameters of the joint inversion methods are discussed. Comparing to inversion methods using PP wave only,the algorithms of the joint inversion methods are more stable by combining the two independent PP and PS wave seismic data. At last,the further development of the joint inversion methods is commented.
引文
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[3]Lines L R.Density contrast is difficult to determine from AVO[R/OL].1998,http://www.crewes.org/ForOurSponsors/Research Reports/1998/1998-47.pdf.
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[5]胡中平.用P-SV波AVO特性判别油气异常[J].石油地球物理勘探,1995,30(5):653-658.Hu Zhongping.Oil Geophysical Prospecting,1995,30(5):653-658.
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[7]Jin S.Cambois G,Vuillermoz C.Vuillermoz.Shear-wave velocity and density estimation from PS-wave AVO analysis:Application to an OBS dataset from the North Sea[J].Geophysics,2000,65(5):1446-1454.
[8]陆基孟.地震勘探原理[M].北京:石油工业出版社,1993.LU Jimeng.The principle of seismic exploration[M].Beijing:Petroleum Industry Press,1993
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[12]Stewart R R.Joint P and P-SV inversion[R/OL].1990.http://www.crewes.org/ForOurSponsors/ResearchReports/reports.php?year=1990.
[13]Larsen J A,Margrave G F,Lu H X.AVO analysis by simultaneous P-P and P-S weighted stacking applied to3C-3D seismic data[C]//Expanded abstracts of69th annual internat SEG Mtg.Houston:The Society of Exploration Geophysicists,1999:721-724.
[14]Larsen J A.AVO inversion by simultaneous PP and PS inversion[D].Calgary:University of Calgary,1999.
[15]Ozdemir H,Ronen S,Olofsson B,et al.Simultaneous multicomponentAVO inversion[C]//Expanded abstracts of71st annual internat SEG Mtg.San Antonio:The Society of Exploration Geophysicists,2001:269-272.
[16]Margrave G F,Stewart R R,Larsen J A.Joint PP and PS seismic inversion[J].The Leading Edge,2001,20:978-982.
[17]Zhang H,Margrave GF,Brown RJ.Joint PP-PS inversion at Pikes Peak oil field,Saskatchewan[R/OL].2002.http://www.crewes.org/ForOurSponsors/ResearchReports/2002/2002-60.pdf.
[18]黄中玉,赵金州.纵波和转换波AVO联合反演技术[J].石油物探,2004,43(4):319-322.Huang Zhongyu,Zhao Jinzhou.Geophysical Prospecting for Petroleum,2004,43(4):319-322.
[19]Mahmoudian F,Margrave G F.Three parameter AVO inversion with PP and PS data using offset binning[C]//Expanded abstracts of74th annual internat SEG Mtg.Denver:The Society of Exploration Geophysicists,2004:721-724.
[20]Jin S.Characterizing reservoir by using jointly P-and S-wave AVO analyses[C]//Expanded abstracts of69th annual internat SEG Mtg.Houston:The Society of Exploration Geophysicists,1999:687-690.
[21]Gidlow P M,Smith G C,Vail P J.Hydrocarbon detection using fluid factor traces:A case history[C]//Expands abstracts of the joint SEG/EAEG summer workshop.Montana:The Society of Exploration Geophysicists,1992:78-89.
[22]Veire H H,Landro M.Simultaneous inversion of PP and PS seismic data[J].Geophysics,2006,71(3):R1-R10.
[23]Goodway B,Chen T,Downton J.Improved AVO fluid detection and lithology discrimination using Lame petrophysical parameters,"λμ","μρ"and"λ/μfluid stack",from P and S inversions[C]//Expanded abstracts of68th annual internat SEG Mtg.Dallas:The Society of Exploration Geophysicists,1997:148-151.
[24]Ramos C B.Useful approximations for converted wave AVO[J].Geophysics,2001,66(6):1721-1734.
[25]孙鹏远,孙建国,卢秀丽.P-SV波AVO分析[J].石油地球物理勘探,2003,38(2):131-135.Sun Pengyuan,Sun Jianguo,Lu Xiuli.Oil Geophysical Prospecting,2003,38(2):131-135.
[26]孙鹏远,孙建国,卢秀丽.P-SV转换波AVO加权叠加反演[J].石油地球物理勘探,2004,39(3):271-274.Sun Pengyuan,Sun Jianguo,Lu Xiuli.Oil Geophysical Prospecting,2004,39(3):271-274.
[27]孙鹏远,孙建国,卢秀丽.P-SV波反射系数近似及其AVO属性特征[J].地球学报,2006,27(1):85-89.Sun Pengyuan,Sun Jianguo,Lu Xiuli.Acta Geoscientica Sinica,2006,27(1):85-89.
[28]陈天胜,刘洋,魏修成.纵波和转换波联合AVO反演方法研究[J].中国石油大学学报:自然科学版,2006,30(1):33-37.Cheng Tiansheng,Liu Yang,Wei Xiucheng.Journal of China University of Petroleum:Edition of Natural Science,2006,30(1):33-37.
[2]Ursin B,Tjaland E.Information content of the elastic reflection matrix[C]//Expanded abstracts of62nd annual internat SEG Mtg.New Orleans:The Society of Exploration Geophysicists,1992:796-799.
[3]Lines L R.Density contrast is difficult to determine from AVO[R/OL].1998,http://www.crewes.org/ForOurSponsors/Research Reports/1998/1998-47.pdf.
[4]周竹生.P-SV波和SH波的AVO分析[J].石油地球物理勘探,1993,28(4):430-438.Zhou Zhusheng.Geophysical Prospecting,1993,28(4):430-438.
[5]胡中平.用P-SV波AVO特性判别油气异常[J].石油地球物理勘探,1995,30(5):653-658.Hu Zhongping.Oil Geophysical Prospecting,1995,30(5):653-658.
[6]李正文,胡光岷.P-SV波AVO分析[J].成都理工学院学报,1996,23(4):73-79.Li Zhengwen,Hu Guangmin.Journal of Chengdu University of Technology,1996,23(4):73-79.
[7]Jin S.Cambois G,Vuillermoz C.Vuillermoz.Shear-wave velocity and density estimation from PS-wave AVO analysis:Application to an OBS dataset from the North Sea[J].Geophysics,2000,65(5):1446-1454.
[8]陆基孟.地震勘探原理[M].北京:石油工业出版社,1993.LU Jimeng.The principle of seismic exploration[M].Beijing:Petroleum Industry Press,1993
[9]Aki K,Richards P G,Quantitative seismology:Theory and Methods[M].New York:W.H.Freeman and Company,1980.
[10]Smith G C,Gidlow P M.Weighted stacking for rock property estimation and detection of gas[J].Geophysical Prospecting,1987,35:993-1014.
[11]Fatti J L,Vail P J,Smith G C,et al.Detection of gas in sandstone reservoirs using AVO analysis:A3-D seismic case history using the Geostack technique[J].Geophysics,1994,59:1362-1376.
[12]Stewart R R.Joint P and P-SV inversion[R/OL].1990.http://www.crewes.org/ForOurSponsors/ResearchReports/reports.php?year=1990.
[13]Larsen J A,Margrave G F,Lu H X.AVO analysis by simultaneous P-P and P-S weighted stacking applied to3C-3D seismic data[C]//Expanded abstracts of69th annual internat SEG Mtg.Houston:The Society of Exploration Geophysicists,1999:721-724.
[14]Larsen J A.AVO inversion by simultaneous PP and PS inversion[D].Calgary:University of Calgary,1999.
[15]Ozdemir H,Ronen S,Olofsson B,et al.Simultaneous multicomponentAVO inversion[C]//Expanded abstracts of71st annual internat SEG Mtg.San Antonio:The Society of Exploration Geophysicists,2001:269-272.
[16]Margrave G F,Stewart R R,Larsen J A.Joint PP and PS seismic inversion[J].The Leading Edge,2001,20:978-982.
[17]Zhang H,Margrave GF,Brown RJ.Joint PP-PS inversion at Pikes Peak oil field,Saskatchewan[R/OL].2002.http://www.crewes.org/ForOurSponsors/ResearchReports/2002/2002-60.pdf.
[18]黄中玉,赵金州.纵波和转换波AVO联合反演技术[J].石油物探,2004,43(4):319-322.Huang Zhongyu,Zhao Jinzhou.Geophysical Prospecting for Petroleum,2004,43(4):319-322.
[19]Mahmoudian F,Margrave G F.Three parameter AVO inversion with PP and PS data using offset binning[C]//Expanded abstracts of74th annual internat SEG Mtg.Denver:The Society of Exploration Geophysicists,2004:721-724.
[20]Jin S.Characterizing reservoir by using jointly P-and S-wave AVO analyses[C]//Expanded abstracts of69th annual internat SEG Mtg.Houston:The Society of Exploration Geophysicists,1999:687-690.
[21]Gidlow P M,Smith G C,Vail P J.Hydrocarbon detection using fluid factor traces:A case history[C]//Expands abstracts of the joint SEG/EAEG summer workshop.Montana:The Society of Exploration Geophysicists,1992:78-89.
[22]Veire H H,Landro M.Simultaneous inversion of PP and PS seismic data[J].Geophysics,2006,71(3):R1-R10.
[23]Goodway B,Chen T,Downton J.Improved AVO fluid detection and lithology discrimination using Lame petrophysical parameters,"λμ","μρ"and"λ/μfluid stack",from P and S inversions[C]//Expanded abstracts of68th annual internat SEG Mtg.Dallas:The Society of Exploration Geophysicists,1997:148-151.
[24]Ramos C B.Useful approximations for converted wave AVO[J].Geophysics,2001,66(6):1721-1734.
[25]孙鹏远,孙建国,卢秀丽.P-SV波AVO分析[J].石油地球物理勘探,2003,38(2):131-135.Sun Pengyuan,Sun Jianguo,Lu Xiuli.Oil Geophysical Prospecting,2003,38(2):131-135.
[26]孙鹏远,孙建国,卢秀丽.P-SV转换波AVO加权叠加反演[J].石油地球物理勘探,2004,39(3):271-274.Sun Pengyuan,Sun Jianguo,Lu Xiuli.Oil Geophysical Prospecting,2004,39(3):271-274.
[27]孙鹏远,孙建国,卢秀丽.P-SV波反射系数近似及其AVO属性特征[J].地球学报,2006,27(1):85-89.Sun Pengyuan,Sun Jianguo,Lu Xiuli.Acta Geoscientica Sinica,2006,27(1):85-89.
[28]陈天胜,刘洋,魏修成.纵波和转换波联合AVO反演方法研究[J].中国石油大学学报:自然科学版,2006,30(1):33-37.Cheng Tiansheng,Liu Yang,Wei Xiucheng.Journal of China University of Petroleum:Edition of Natural Science,2006,30(1):33-37.
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