建场测深技术新进展——三塘湖盆地马朗凹陷石炭系结构属性研究实例
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摘要
石炭系是三塘湖盆地的重要含油气层系,但由于地震勘探在深层难以得到有效反射信息,导致对盆地内石炭系的内部结构认识不清,制约了油气勘探进程。本文将多频段高信噪比建场测深采集和广义逆二维约束反演为核心的一体化技术,用于该盆地马朗凹陷的油气勘探。应用结果表明,建场测深法能够揭示石炭系多套层系及其中分布的火山岩体,并指出上石炭统哈尔加乌组低阻电性层是泥质碎屑岩发育的烃源层,卡拉岗组和巴塔玛依内山组高阻电性层是火山岩发育的有利储集层,并为钻探结果证实。
Carboniferous is the important hydrocarbon bearing strata series in Santanghu basin.As it is not easy to acquire the effective reflections for the deep target in the seismic exploration,there is no clear understanding for the inner structure of Carboniferous in the basin,restricted the oil & gas exploration progress.Taking the field sounding acquisition with the multi-frequency band and high S/N ratio and generalized reverse 2D constraint inversion as the core,the new filed sounding technique with integration of acquisition,processing and interpretation was introduced in the paper and then used in the oil & gas exploration in Malang Depression in the Basin.The application results showed that this method can reveal the multi sets of strata in Carboniferous and the distributed volcanic rocks inside the strata.The paper also pointed out that the Haerjiawu Group low resistivity stratum is the hydrocarbon source beds developed from the shaly clastic rocks,and the layers with high resistivity electricity characteristic in Kalagang Group and Batamayineishan Group are favorite reservoir developed from the volcanic rocks,which is proved by the drilling result.
Carboniferous is the important hydrocarbon bearing strata series in Santanghu basin.As it is not easy to acquire the effective reflections for the deep target in the seismic exploration,there is no clear understanding for the inner structure of Carboniferous in the basin,restricted the oil & gas exploration progress.Taking the field sounding acquisition with the multi-frequency band and high S/N ratio and generalized reverse 2D constraint inversion as the core,the new filed sounding technique with integration of acquisition,processing and interpretation was introduced in the paper and then used in the oil & gas exploration in Malang Depression in the Basin.The application results showed that this method can reveal the multi sets of strata in Carboniferous and the distributed volcanic rocks inside the strata.The paper also pointed out that the Haerjiawu Group low resistivity stratum is the hydrocarbon source beds developed from the shaly clastic rocks,and the layers with high resistivity electricity characteristic in Kalagang Group and Batamayineishan Group are favorite reservoir developed from the volcanic rocks,which is proved by the drilling result.
引文
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[3]罗垚,陈珺.三塘湖下含油气系统地质条件及勘探方向.吐哈油气,2007,12(3):210~212Luo Yao,Chen Jun.Geologic condition and explora-tion target of lower hydrocarbon bearing system inSantanghu Basin.Tuha Oil-Gas,2007,12(3):210~212
[4]何展翔,金祖发,王适新.陕甘宁盆地建场测深法试验成果.1993年中国地球物理学会第九届学术年会论文集,1993
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[8]万明浩,王一新.瞬变电磁测深(建场测深)法的最新进展与应用前景.天然气地球科学,1991,3:142~146
[9]张长江,刘雪军,何展翔等.固定源建场测深法在准噶尔盆地油气勘探中的应用.物探装备,2001,11(3):192~194,229Zhang Chang-jiang,Liu Xue-jun,He Zhan-xiang etal.Application of depth sounding with fixed sourcemethod for oil and gas prospecting in Junggar Basin.EGP,2001,11(3):192~194,229
[10]李志明,张长江等.固定源建场测深在地形复杂区的勘探试验研究.吉林大学学报(地球科学版),2002,32(3):279~282Li Zhi-ming,Zhang Chang-jiang et al.Prospecting teststudy on electromagnetic sounding for fixed excitatedsource in varied topography area.Journal of JilinUniversity(Earth Science Edition),2002,32(3):279~282
[11]董卫斌,索孝东.复杂地区建场测深勘探采集技术.物探装备,2008,18(3):26~29Dong Wei-bing,Suo Xiao-dong.Technique of explora-tion by electric field sounding in complex area.EGP,2008,18(3):26~29
[12]Odi W L,Mackie R L.Nonlinear conjugate gradientsalgorithm for 2-D magnetotelluric inversion.Geo-physics,2001,66(1):174~187
[13]Newman G A,Alumbaugh D L.Three-dimensionalmagnetotelluric inversion using non-linear conjugategradients.Geophys J Int,2000,140(2):410~424
[14]Ellis R G,Farquharson C G,Oldenburg D W.Ap-proximate inverse mapping inversion of COPROD2-Data.J Geomag Geoelectry,1993,45:1001~1012
[15]Farquharson C G,Oldenburg D W.Approximate sen-sitivities for the electromagnetic inverse problem.Geophys J Internat,1996,126(1):235~252
[16]Tan Handong,Yu Qinfan,Booker J et al.Three-dimen-sional rapid relaxation inversion for the magnetotelluricmethod.Chinese J Geophys,2003,46(6):850~855
[17]Cole K S and Cole R H.Dispersion and Absorption inDielectrics 1,Alternating Cuttent Field.J ChemPhys,1941,9:341
[18]索孝东,李风霞.三塘湖盆地马朗凹陷石炭系地质结构与火山岩分布.新疆石油地质,2009,30(4):463~466Suo Xiao-dong,Li Feng-xia.Geological structure andvolcanic distribution of Carboniferous in Malang Sagin Sangtanghu Basin.Xinjiang Petroleum Geology,2009,30(4):463~466
[19]杨香华,陈红汉.三塘湖盆地石炭—二叠系火山岩岩相及油气富集规律.湖北武汉:中国地质大学资源学院,2008
[2]张恺.新疆三塘湖盆地板块构造演化特征及其含油气远景评价.新疆石油地质,1993,14(1):1~12Zhang Kai.The characteristic of plate tectonic evolu-tion and the evaluation of hydrocarbon prospect ofSantanghu Basin,Xinjiang.Xinjiang Petroleum Geol-ogy,1993,14(1):1~12
[3]罗垚,陈珺.三塘湖下含油气系统地质条件及勘探方向.吐哈油气,2007,12(3):210~212Luo Yao,Chen Jun.Geologic condition and explora-tion target of lower hydrocarbon bearing system inSantanghu Basin.Tuha Oil-Gas,2007,12(3):210~212
[4]何展翔,金祖发,王适新.陕甘宁盆地建场测深法试验成果.1993年中国地球物理学会第九届学术年会论文集,1993
[5]吕友生,何展翔.建场测深法在油气勘探中的应用.石油地球物理勘探,1994,29(6):754~757LüYou-sheng,He Zhan-xiang.Application of transi-ent sounding in hydrocarbon exploration.OGP,1994,29(6):754~757
[6]索孝东,刘云祥,张鹏越等.三塘湖盆地马朗凹陷1∶5万高精度重磁、建场测深勘探成果报告.中国石油东方地球物理公司,2006
[7]索孝东,张生,董卫斌等.准噶尔盆地滴北及陆东—五彩湾地区1∶5万高精度重磁、建场测深勘探成果报告.中国石油东方地球物理公司,2006
[8]万明浩,王一新.瞬变电磁测深(建场测深)法的最新进展与应用前景.天然气地球科学,1991,3:142~146
[9]张长江,刘雪军,何展翔等.固定源建场测深法在准噶尔盆地油气勘探中的应用.物探装备,2001,11(3):192~194,229Zhang Chang-jiang,Liu Xue-jun,He Zhan-xiang etal.Application of depth sounding with fixed sourcemethod for oil and gas prospecting in Junggar Basin.EGP,2001,11(3):192~194,229
[10]李志明,张长江等.固定源建场测深在地形复杂区的勘探试验研究.吉林大学学报(地球科学版),2002,32(3):279~282Li Zhi-ming,Zhang Chang-jiang et al.Prospecting teststudy on electromagnetic sounding for fixed excitatedsource in varied topography area.Journal of JilinUniversity(Earth Science Edition),2002,32(3):279~282
[11]董卫斌,索孝东.复杂地区建场测深勘探采集技术.物探装备,2008,18(3):26~29Dong Wei-bing,Suo Xiao-dong.Technique of explora-tion by electric field sounding in complex area.EGP,2008,18(3):26~29
[12]Odi W L,Mackie R L.Nonlinear conjugate gradientsalgorithm for 2-D magnetotelluric inversion.Geo-physics,2001,66(1):174~187
[13]Newman G A,Alumbaugh D L.Three-dimensionalmagnetotelluric inversion using non-linear conjugategradients.Geophys J Int,2000,140(2):410~424
[14]Ellis R G,Farquharson C G,Oldenburg D W.Ap-proximate inverse mapping inversion of COPROD2-Data.J Geomag Geoelectry,1993,45:1001~1012
[15]Farquharson C G,Oldenburg D W.Approximate sen-sitivities for the electromagnetic inverse problem.Geophys J Internat,1996,126(1):235~252
[16]Tan Handong,Yu Qinfan,Booker J et al.Three-dimen-sional rapid relaxation inversion for the magnetotelluricmethod.Chinese J Geophys,2003,46(6):850~855
[17]Cole K S and Cole R H.Dispersion and Absorption inDielectrics 1,Alternating Cuttent Field.J ChemPhys,1941,9:341
[18]索孝东,李风霞.三塘湖盆地马朗凹陷石炭系地质结构与火山岩分布.新疆石油地质,2009,30(4):463~466Suo Xiao-dong,Li Feng-xia.Geological structure andvolcanic distribution of Carboniferous in Malang Sagin Sangtanghu Basin.Xinjiang Petroleum Geology,2009,30(4):463~466
[19]杨香华,陈红汉.三塘湖盆地石炭—二叠系火山岩岩相及油气富集规律.湖北武汉:中国地质大学资源学院,2008
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