测井-地震多属性密度曲线重构反演技术及应用
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摘要
为了提高波阻抗反演的分辨率,在密度资料对反演结果产生重要影响的基础上,利用岩心、测井及地震资料,从岩石物理性质-测井响应-地震响应角度分析,提出应用测井-地震多属性密度曲线重构技术合成拟密度曲线,其结果用全井连续取心样品测试分析数据验证的平均误差为0.05g/cm3。应用反演效果分析表明,反演结果吻合率从重构前的78%提高到重构后的86%,密度曲线重构反演技术提高了反演精度和分辨率。
To improve the resolution of inversion,based on the fact of that the density data in a great impact on inversion results,making using of the core data,logging data and seismic data,from this perspective of analyzing the physical properties of rock-logging response-seismic response,the log-seismic multi-attributes density curve reconstruction technique was proposed to synthesis the pseudo-density curve.The results was verified with the analyzed data of the entire well continuous coring samples and the average validation error is about 0.05 g/cm3.The practical application shows that the coincidence rate of inversion results increase from the 78% to 86% after reconstruction.This can be concluded that the density curve reconstruction inversion technique can improve the precision and resolution of inversion.
To improve the resolution of inversion,based on the fact of that the density data in a great impact on inversion results,making using of the core data,logging data and seismic data,from this perspective of analyzing the physical properties of rock-logging response-seismic response,the log-seismic multi-attributes density curve reconstruction technique was proposed to synthesis the pseudo-density curve.The results was verified with the analyzed data of the entire well continuous coring samples and the average validation error is about 0.05 g/cm3.The practical application shows that the coincidence rate of inversion results increase from the 78% to 86% after reconstruction.This can be concluded that the density curve reconstruction inversion technique can improve the precision and resolution of inversion.
引文
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[2]于建国,韩文功,王金铎.陆相断陷盆地砂体储层横向预测[M].北京:石油工业出版社,2002.YU Jian-guo,HAN Wen-gong,WANG Jin-duo.Continental faulting depression basin sandstone reservoirs horizontal prediction[M].Beijing:PetroleumIndustry Press,2002.
[3]王延光.储层地震反演方法以及应用中的关键问题和对策[J].石油物探,2002,41(3):299-303.WANG Yan-guang.Seismic reservoir inversion algorithm and the key problems and policies in its application[J].Geophysical Prospecting for Petroleum,2002,41(3):299-303.
[4]张学芳,董月昌,慎国强,等.曲线重构技术在测井约束反演中的应用[J].石油勘探与开发,2005,32(3):70-72.ZHANG Xue-fang,DONG Yue-chang,SHEN Guo-qiang,et al.Application of log rebuilding technique in constrain inversion[J].Petroleum Exploration and Deve-lopment,2005,32(3):70-72.
[5]杨少虎,黄玉生,彭文绪,等.声波重构技术在储层反演中的应用[J].石油地球物理勘探,2006,41(2):171-176.YANG Shao-hu,HUANG Yu-sheng,PENG Wen-xu,et al.The application of the reconstructed characteristic curve of reservoir in the inversion[J].Oil Geophysical Prospecting,2006,41(2):171-176.
[6]贺懿,刘怀山,毛传龙,等.多曲线声波重构技术在储层预测中的应用研究[J].石油地球物理勘探,2008,43(5):549-556.HE Yi,LI U Huai-shan,MAO Chuan-long,et al.Application of multi-curve acoustic construction technologyin reservoir prediction[J].Oil Geophysical Prospecting,2008,43(5):549-556.
[7]孙中春,顾振刚,黎军,等.严重垮塌井眼条件下测井资料的校正方法[J].新疆石油地质,2006,27(5):559-561.SUN Zhong-chun,GU Zhen-gang,LI Jun,et al.Correction of well logs in the case of severe borehole enlargement[J].Xinjiang Petroleum Geology,2006,27(5):559-561.
[8]黄小平,高玉春.对Garden公式应用条件的探讨[J].新疆石油地质,2000,21(3):233-234.HUANG Xiao-ping,GAO Yu-chun.An approach to application considerations of Garden's relation[J].Xinjiang Petroleum Geology,2000,21(3):233-234.
[9]周惠文,曹正林,杜斌山.含气特征曲线重构技术在致密含气砂岩储层预测中的应用[J].天然气地球科学,2006,17(5):723-726.ZHOU Hui-wen,CAO Zheng-lin,DU Bin-shan.The application of gas-bearing attribute curve reconstruction techniqe to gas reservoir prediction of tight sand[J].Natural Gas Geoscience,2006,17(5):723-726.
[10]Hampson P D,Schuelk S J,Quirein A J.Use of multiattribute transforms to predict log properties fromseismic data[J].Geophysics,2001,66(1):220-236.
[11]Schultz P S,Ronen S,Hattori M,et al.Seismic-guided esti mation of log properties;Part1,a data-driven interpretation methodology[J].Geophysics:The Leading Edge of Exploration,1994,13(5):305-310.
[12]刘招君,董清水,叶松青,等.中国油页岩资源现状[J].吉林大学学报:地球科学版,2006,36(6):869-876.LI U Zhao-jun,DONG Qing-shui,YE Song-qing,et al.The situation of oil shale resources in China[J].Journal of Jilin University:Earth Science Edition,2006,36(6):869-876.
[13]洪有密.测井原理与综合解释[M].东营:石油大学出版社,1993.HONG You-mi.Logging principles and comprehensive interpretation[M].Dongying:University of Petroleum Press,1993.
[14]贾建亮,刘招君,陈永成,等.测井约束地震岩性预测方法及应用——以汤原断陷达连河组SD2段为例[J].世界地质,2009,28(3):339-344.JIA Jian-liang,LI U Zhao-jun,CHEN Yong-cheng,et al.Lithologic prediction and application of log-constrained seismic—an example from SD2segment of Dalianhe Formation in Tangyuan fault depression[J].Global Geology,2009,28(3):339-344.
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