多参数测井地层划分的遗传最优分割法及其在济阳坳陷中生界中的应用
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摘要
将遗传算法、Fisher最优分割和边缘检测算法相结合,设计了一种适用于多参数测井地层划分的遗传最优分割算法.该算法以测井测点号为基因,以有序测点号组为染色体,由测点的边缘隶属度和段间/段内离差总和的比值共同构成综合优化指标(适应度),采用锦标赛选择机制,通过MonteCarlo抽样进行交叉(通过两两染色体比较设定抽样区间),采用灾变变异和精英保持策略,利用多参数测井数据求取最优化地层分界线.在济阳坳陷中生界地层划分中的实际应用,表明该方法的自动分层结果符合地质实际,且计算速度很快.该方法对于没有露头、岩心稀少、地震勘探分辨率低和地球物理测井数据量大情况下的深部隐伏地层划分有很好的适用性.
In this paper we propose a genetic algorithm for optimal stratigraphical division using multi-parameter well-log data.The algorithm incorporates the Fisher optimal division and edge detection methods into genetic searching in order to find out rapidly from a well a group of division boundaries that satisfy an optimization criterion.The optimization criterion involves the following steps:After a well(or a segment of it)is divided into a group of subsections,the total in-subsection deviation of the multi-parameter log data is minimized.Then the total inter-subsection deviation of the data is maximized,and the boundary points are to the largest extent singular points in log curves.This criterion is used to formulate the fitness function in our genetic algorithm.In the algorithm,logging measurement points are taken as genes,and groups of ordered measurement points as chromosomes;Genetic strategies of tournament selection,catastrophic mutation,Monte Carlo sampling crossover,and elitist reservation are adopted.We test the method on a geologically well-studied well which penetrates the deep-buried Mesozoic strata in Jiyang depression,Shandong,China.It is shown that,using log data alone,our method obtains stratigrahic division results that are geologically sound.Meanwhile the method proves far faster than an ordinary Fisher optimal division method in computation.We conclude that our method is highly applicable in statratigraphic division studies in areas such as Jiyang depression,where the interested strata is deep-buried,with scarce relevant well cores,poor seismic resolution,and abundant log data.
In this paper we propose a genetic algorithm for optimal stratigraphical division using multi-parameter well-log data.The algorithm incorporates the Fisher optimal division and edge detection methods into genetic searching in order to find out rapidly from a well a group of division boundaries that satisfy an optimization criterion.The optimization criterion involves the following steps:After a well(or a segment of it)is divided into a group of subsections,the total in-subsection deviation of the multi-parameter log data is minimized.Then the total inter-subsection deviation of the data is maximized,and the boundary points are to the largest extent singular points in log curves.This criterion is used to formulate the fitness function in our genetic algorithm.In the algorithm,logging measurement points are taken as genes,and groups of ordered measurement points as chromosomes;Genetic strategies of tournament selection,catastrophic mutation,Monte Carlo sampling crossover,and elitist reservation are adopted.We test the method on a geologically well-studied well which penetrates the deep-buried Mesozoic strata in Jiyang depression,Shandong,China.It is shown that,using log data alone,our method obtains stratigrahic division results that are geologically sound.Meanwhile the method proves far faster than an ordinary Fisher optimal division method in computation.We conclude that our method is highly applicable in statratigraphic division studies in areas such as Jiyang depression,where the interested strata is deep-buried,with scarce relevant well cores,poor seismic resolution,and abundant log data.
引文
Andrew,D.M.,1995.Whither stratigraphy?Sedi mentaryGeology,100(1-4):5-20.
Back,T.,Hoff meister,F.,Schwefel,H.P.,1991.A surveyof evolution strategies.In:ICGA,ed.,Proceedings ofthe fourth international conference on genetic algo-rithms.Morgan Kauf mann Publishers,San Mateo,CA,2-9.
Bureau of Geology and Mineral Resources of Shandong Prov-ince,1991.Regional Geology of Shandong Province,Ge-ological Special Reports(Regional Geology),Ministryof Geology and Mineral Resources,P.R.China.Geolog-ical Publishing House,Beijing(in Chinese).
Cao,Y.C.,Jiang,Z.X.,Wang,L.Q.,et al.,1996.Classifi-cation and identification of sequence stratigraphic unitsin a rift lack basin.Journal ofthe University of Petro-leum,China,20(4):1-5(in Chinese with English ab-stract).
Cao,Z.X.,Liu,H.,Wang,Y.L.,2002.Sedi mentation andstratigraphic sequence analysis of Permo-Carboniferoussystem in Jiyang depression.Journal of ShandongInst.of Min.&Tech.,21(22):68-71,78(in Chinesewith English abstract).
Deng,H.W.,Wang,H.L.,Li,X.M.,1997.Application of High-resolution sequence stratigraphic correlation tofluvial facies.Oil&Gas Geology,18(2):90-95,114(in Chinese with English abstract).
Eshel man,L.J.,1991.The CHC adaptive search algorithm:How to have save search when engaging in non-traditional genetic recombination.In:Rawlins,G.J.E.,ed.,Foundations of genetic algorithms and classifiersystems.Morgan Kauf mann Publishers,San Mateo,CA,265-283.
Goldberg,D.E.,1989.Genetic algorithms in search,opti mi-zation,and machine learning.Addison-Wisely,Reading,Mass.
Groch,W.D.,1982.Extraction of line shaped objects fromaerial i mages using a special operator to analyze theprofiles of functions.Computer Graphics and ImageProcessing,18,347-358.
Holland,J.H.,1975.Adaptationin natural and artificial sys-tems,The University of Michigan Press,Ann.Arbor..
Inoue,N.,Kitada,N.,Itoh,Y.,et al.,2003.Integrated studyof high resolution geophysical and geological informa-tion of Osaka bay,Southwest Japan.Journal of AsianEarth Sciences,22(1):1-11.
Li,H.G.,Du,X.D.,Lu,K.Z.,et al.,1999.Evolution andstructural characteristics of the Mesozoic Era in thecentral/west part of Bohai Bay area.Journal of the U-niversity of Petroleum,China,23(3):1-5(in Chinesewith English abstract).
Li,H.Q.,Zhang,F.M.,Shao,C.R.,et al.,2002.A newmulti-well logs opti mumdividing algorithm with heuris-tic search rules.Well Logging Technology,26(4):273-276(in Chinese with English abstract).
Lü,X.X.,Xiao,H.Q.,Tian,M.R.,et al.,2003.On thewell-logging identification and description technique ofthe glutinite reservoir bed in the escarp regions of Jiy-ang depression.Journal of Zhejiang University(Sci-ences Edition),30(3):332-336(in Chinese with Eng-lish abstract).
Maulin,D.P.,George,A.M.,2003.Building2-D strati-graphic and structure models from well log data andcontrol horizons.Computers&geosciences,29(5):557-567.
Pinous,O.V.,Sahagian,D.L.,Shurygin,D.L.,et al.,1999.High-resolution sequence stratigraphic analysis and sea-level interpretation of the Middle and Upper Jurassicstrata of the Nyurolskaya depression and vicinity(southeastern West Siberia,Russia).Marine and Pe-troleum Geology,16(3):245-257.
Shaaban,F.F.,Ghonei mi,A.E.,2001.I mplication of seismic and borehole data for the structure,petrophysics and oilentrapment of Creataceous-Palaeocene reservoirs,north-ern Sirt Basin,Libya.Journal of African Earth Sci-ences,33(1):103-133.
Wang,J.W.,Zhao,Y.S.,Tian,H.Q.,2001.Pri mary studyon sequence stratigraphy of Kongdian Formation inDongying-Hui min sag.Journal of the University ofPetroleum,China,25(6):2-6(in Chinese with Englishabstract).
Wang,Y.,Lu,K.Z.,Ren,A.S.,1994.Tectogenesis and vol-canismand the basin evolution of the Mesozoic Era inthe Northeast of Jiyang depression.Journal ofthe Uni-versity of Petroleum,China,18(2):1-8(in Chinesewith English abstract).
Wonik,T.,2001.Gamma-ray measurements in the KirchrodeⅠandⅡboreholes.Palaeogeography,Palaeocli ma-tology,Palaeoecology,174(1-3):97-105.
Zhang,G.Q.,Li,J.Y.,1991.Quantitative lithostratigraphy.China University of Geosciences Press,Wuhan,35-45(in Chinese with English abstract).
Zhang,S.P.,Liu,C.D.,He,Z.J.,et al.,2003.Stratigraphicdivision of redbeds in deep Dongying depression,EastChina.Earth Science Frontiers,10(2):465-469(inChinese with English abstract).
Zhang,Z.F.,Hu,G.D.,Yang,M.G.,2003.An evolution-ary-strategy-based CHC genetic algorithmandits appli-cation to rock spectrumdiscri mination.Earth Science—Journal of China University of Geosciences,28(3):351-355(in Chinese with English abstract).
操应长,姜在兴,王留奇,等,1996.陆相断陷湖盆层序地层单元的划分及界面识别标志.石油大学学报(自然科学版),20(4):1-5.
曹忠祥,刘华,王玉林,2002.济阳坳陷石炭二叠系沉积与层序地层分析.山东科技大学学报(自然科学版),21(22):68-71,78.
邓宏文,王洪亮,李小孟,1997.高分辨率层序地层对比在河流相中的应用.石油与天然气地质,18(2):90-95,114.
李洪革,杜旭东,陆克政,等,1999.渤海湾地区中西部中生代构造特征及演化.石油大学学报(自然科学版),23(3):1-5.
李洪奇,张福明,邵才瑞,等,2002.带有启发式搜索规则的多元测井数据序列最优分割方法.测井技术,26(4):273-276.
吕希学,肖焕钦,田美荣,等,2003.济阳坳陷陡坡带砂砾岩体储层测井识别及描述技术.浙江大学学报(理学版),30(3):332-336.
山东省地质矿产局,1991.山东省区域地质志.地质矿产部地质专报(区域地质).北京:地质出版社.
王建伟,赵勇生,田海芹,2001.东营惠民凹陷孔店组层序地层学研究.石油大学学报(自然科学版),25(6):2-6.
王毅,陆克政,任安身,1994.济阳坳陷东北部中生代构造运动和火山活动及盆地演化.石油大学学报(自然科学版),18(2):1-8.
张光前,李继英,1991.定量岩石地层学.武汉:中国地质大学出版社,35-45.
张守鹏,刘成东,贺振建,等,2003.东营凹陷深部“红层”地层划分方法探讨.地学前缘,10(2):465-469.
张振飞,胡光道,杨明国,2003.基于进化策略的CHC遗传算法及岩石波谱识别.地球科学——中国地质大学学报,28(3):351-355.
Back,T.,Hoff meister,F.,Schwefel,H.P.,1991.A surveyof evolution strategies.In:ICGA,ed.,Proceedings ofthe fourth international conference on genetic algo-rithms.Morgan Kauf mann Publishers,San Mateo,CA,2-9.
Bureau of Geology and Mineral Resources of Shandong Prov-ince,1991.Regional Geology of Shandong Province,Ge-ological Special Reports(Regional Geology),Ministryof Geology and Mineral Resources,P.R.China.Geolog-ical Publishing House,Beijing(in Chinese).
Cao,Y.C.,Jiang,Z.X.,Wang,L.Q.,et al.,1996.Classifi-cation and identification of sequence stratigraphic unitsin a rift lack basin.Journal ofthe University of Petro-leum,China,20(4):1-5(in Chinese with English ab-stract).
Cao,Z.X.,Liu,H.,Wang,Y.L.,2002.Sedi mentation andstratigraphic sequence analysis of Permo-Carboniferoussystem in Jiyang depression.Journal of ShandongInst.of Min.&Tech.,21(22):68-71,78(in Chinesewith English abstract).
Deng,H.W.,Wang,H.L.,Li,X.M.,1997.Application of High-resolution sequence stratigraphic correlation tofluvial facies.Oil&Gas Geology,18(2):90-95,114(in Chinese with English abstract).
Eshel man,L.J.,1991.The CHC adaptive search algorithm:How to have save search when engaging in non-traditional genetic recombination.In:Rawlins,G.J.E.,ed.,Foundations of genetic algorithms and classifiersystems.Morgan Kauf mann Publishers,San Mateo,CA,265-283.
Goldberg,D.E.,1989.Genetic algorithms in search,opti mi-zation,and machine learning.Addison-Wisely,Reading,Mass.
Groch,W.D.,1982.Extraction of line shaped objects fromaerial i mages using a special operator to analyze theprofiles of functions.Computer Graphics and ImageProcessing,18,347-358.
Holland,J.H.,1975.Adaptationin natural and artificial sys-tems,The University of Michigan Press,Ann.Arbor..
Inoue,N.,Kitada,N.,Itoh,Y.,et al.,2003.Integrated studyof high resolution geophysical and geological informa-tion of Osaka bay,Southwest Japan.Journal of AsianEarth Sciences,22(1):1-11.
Li,H.G.,Du,X.D.,Lu,K.Z.,et al.,1999.Evolution andstructural characteristics of the Mesozoic Era in thecentral/west part of Bohai Bay area.Journal of the U-niversity of Petroleum,China,23(3):1-5(in Chinesewith English abstract).
Li,H.Q.,Zhang,F.M.,Shao,C.R.,et al.,2002.A newmulti-well logs opti mumdividing algorithm with heuris-tic search rules.Well Logging Technology,26(4):273-276(in Chinese with English abstract).
Lü,X.X.,Xiao,H.Q.,Tian,M.R.,et al.,2003.On thewell-logging identification and description technique ofthe glutinite reservoir bed in the escarp regions of Jiy-ang depression.Journal of Zhejiang University(Sci-ences Edition),30(3):332-336(in Chinese with Eng-lish abstract).
Maulin,D.P.,George,A.M.,2003.Building2-D strati-graphic and structure models from well log data andcontrol horizons.Computers&geosciences,29(5):557-567.
Pinous,O.V.,Sahagian,D.L.,Shurygin,D.L.,et al.,1999.High-resolution sequence stratigraphic analysis and sea-level interpretation of the Middle and Upper Jurassicstrata of the Nyurolskaya depression and vicinity(southeastern West Siberia,Russia).Marine and Pe-troleum Geology,16(3):245-257.
Shaaban,F.F.,Ghonei mi,A.E.,2001.I mplication of seismic and borehole data for the structure,petrophysics and oilentrapment of Creataceous-Palaeocene reservoirs,north-ern Sirt Basin,Libya.Journal of African Earth Sci-ences,33(1):103-133.
Wang,J.W.,Zhao,Y.S.,Tian,H.Q.,2001.Pri mary studyon sequence stratigraphy of Kongdian Formation inDongying-Hui min sag.Journal of the University ofPetroleum,China,25(6):2-6(in Chinese with Englishabstract).
Wang,Y.,Lu,K.Z.,Ren,A.S.,1994.Tectogenesis and vol-canismand the basin evolution of the Mesozoic Era inthe Northeast of Jiyang depression.Journal ofthe Uni-versity of Petroleum,China,18(2):1-8(in Chinesewith English abstract).
Wonik,T.,2001.Gamma-ray measurements in the KirchrodeⅠandⅡboreholes.Palaeogeography,Palaeocli ma-tology,Palaeoecology,174(1-3):97-105.
Zhang,G.Q.,Li,J.Y.,1991.Quantitative lithostratigraphy.China University of Geosciences Press,Wuhan,35-45(in Chinese with English abstract).
Zhang,S.P.,Liu,C.D.,He,Z.J.,et al.,2003.Stratigraphicdivision of redbeds in deep Dongying depression,EastChina.Earth Science Frontiers,10(2):465-469(inChinese with English abstract).
Zhang,Z.F.,Hu,G.D.,Yang,M.G.,2003.An evolution-ary-strategy-based CHC genetic algorithmandits appli-cation to rock spectrumdiscri mination.Earth Science—Journal of China University of Geosciences,28(3):351-355(in Chinese with English abstract).
操应长,姜在兴,王留奇,等,1996.陆相断陷湖盆层序地层单元的划分及界面识别标志.石油大学学报(自然科学版),20(4):1-5.
曹忠祥,刘华,王玉林,2002.济阳坳陷石炭二叠系沉积与层序地层分析.山东科技大学学报(自然科学版),21(22):68-71,78.
邓宏文,王洪亮,李小孟,1997.高分辨率层序地层对比在河流相中的应用.石油与天然气地质,18(2):90-95,114.
李洪革,杜旭东,陆克政,等,1999.渤海湾地区中西部中生代构造特征及演化.石油大学学报(自然科学版),23(3):1-5.
李洪奇,张福明,邵才瑞,等,2002.带有启发式搜索规则的多元测井数据序列最优分割方法.测井技术,26(4):273-276.
吕希学,肖焕钦,田美荣,等,2003.济阳坳陷陡坡带砂砾岩体储层测井识别及描述技术.浙江大学学报(理学版),30(3):332-336.
山东省地质矿产局,1991.山东省区域地质志.地质矿产部地质专报(区域地质).北京:地质出版社.
王建伟,赵勇生,田海芹,2001.东营惠民凹陷孔店组层序地层学研究.石油大学学报(自然科学版),25(6):2-6.
王毅,陆克政,任安身,1994.济阳坳陷东北部中生代构造运动和火山活动及盆地演化.石油大学学报(自然科学版),18(2):1-8.
张光前,李继英,1991.定量岩石地层学.武汉:中国地质大学出版社,35-45.
张守鹏,刘成东,贺振建,等,2003.东营凹陷深部“红层”地层划分方法探讨.地学前缘,10(2):465-469.
张振飞,胡光道,杨明国,2003.基于进化策略的CHC遗传算法及岩石波谱识别.地球科学——中国地质大学学报,28(3):351-355.
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