基于等时地层格架的储层预测——以四川通南巴构造带飞仙关组为例
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摘要
碳酸盐岩储层具有埋藏深、地震反射信号弱、非均质性强等特点,因此有效地进行储层预测成为碳酸盐岩油气勘探开发的关键。本文以四川盆地通南巴构造带飞仙关组为主要研究层位,运用海相碳酸盐岩层序地层学及沉积学原理,结合野外露头层序调查和研究区钻井、测井及地震等资料的分析,对通南巴构造带飞仙关组进行了层序地层划分,建立了区域等时层序地层格架。在此基础上,对飞三段储层进行精细标定,明确了飞三段鲕滩储层的地球物理响应特征;并利用高分辨率三维地震成像技术和基于等时地层格架的薄层地震属性分析技术及虚拟现实技术,对飞三段鲕滩储层进行了精细预测。研究结果表明:该区鲕滩储层在平面上主要分布于河坝场构造和马路背构造,而母家梁和黑池梁为储层相对不发育区;储层厚度在河坝场较大,而在马路背相对较小。
Because of deep embedding,weak seismic reflection,strong heterogeneity of carbonate reservoir,very little progress in exploration of marine nature gas in South China have been made lately.Therefore,effective methods to predict carbonate reservoir are keys of oil and gas exploration in this area.Based on theory of sedimentology and sequence stratigraphy on marine carbonate,in this paper we divide sequence stratigraphy of Feixianguan formation in Tongnanba structural belt in Sichuan Basin and establish its regional isochronous stratigraphic framework using with fieldwork data,drilling,logging and seismic data.Then we calibrate delicately reservoirs,obtain geophysical response characteristics of oolitic beach reservoir in isochronous stratigraphic framework.Based on high-resolution 3D seismic imaging,seismic attributes analysis of sequence stratigraphic framework and virtual reality,we predict oolitic beach reservoir distribution of Feixianguan formation in Tongnanba structural belt.Results show that the reservoirs of Feixianguan formation developed in Hebachang and Malubei in plane,thickness of reservoir in Hebachang is greater than in Malubei.
Because of deep embedding,weak seismic reflection,strong heterogeneity of carbonate reservoir,very little progress in exploration of marine nature gas in South China have been made lately.Therefore,effective methods to predict carbonate reservoir are keys of oil and gas exploration in this area.Based on theory of sedimentology and sequence stratigraphy on marine carbonate,in this paper we divide sequence stratigraphy of Feixianguan formation in Tongnanba structural belt in Sichuan Basin and establish its regional isochronous stratigraphic framework using with fieldwork data,drilling,logging and seismic data.Then we calibrate delicately reservoirs,obtain geophysical response characteristics of oolitic beach reservoir in isochronous stratigraphic framework.Based on high-resolution 3D seismic imaging,seismic attributes analysis of sequence stratigraphic framework and virtual reality,we predict oolitic beach reservoir distribution of Feixianguan formation in Tongnanba structural belt.Results show that the reservoirs of Feixianguan formation developed in Hebachang and Malubei in plane,thickness of reservoir in Hebachang is greater than in Malubei.
引文
[1]马永生,郭旭生,郭彤楼等.四川盆地普光大型气田的发现与勘探启示.地质论评,2005,51(4):477～480Ma Yong-sheng,Guo Xu-sheng,Guo Tong-lou et al.Discovery of the large-scale Puguang Gas Field in theSichuan Basin and its enlightenment for hydrocarbonprospecting.Geological Review,2005,51(4):477～480
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[7]Haq B U,Hardenbol J,Vail P R.Chronology of fluc-tuating sea levels since the Triassic.Science,1987,235:1156～1166
[8]Eberli G P and Ginsburg R N.Cenozoic progradationof northwestern Great Bahama Bank,a record of later-al platform growth and sea level fluctuations.Con-trols on Carbonate Platform and Basin Development(Crevello P D et al,ed),SEPM Special Publication,44,339～351
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[10]贾振远,李之琪.碳酸盐岩沉积相和沉积环境.北京:中国地质大学出版社,1989
[11]刘传虎.碳酸盐岩储层特征与油气成藏.北京:石油工业出版社,2006
[12]马永生,梅冥相,陈小兵等.碳酸盐岩储层沉积学.北京:地质出版社,1999
[13]梅冥相,马永生等.碳酸盐岩沉积学导沦.北京:地震出版社,1997
[14]马永生,牟传龙,郭彤楼等.四川盆地东北部飞仙关组层序地层与储层分布.矿物岩石,2005,25(4):73～79Ma Yong-sheng,Mu Chuan-long,Guo Tong-lou.Se-quence stratigraphy and reservoir distribution of Feix-ianguan Formation in Northeastern Sichuan.Journalof Mineralogy and Petrology,2005,25(4):73～79
[15]马永生,牟传龙,王瑞华等.达县—宣汉地区长兴组—飞仙关组礁滩相特征及其对储层的制约.地学前缘,2007,14(1):182～190Ma Yong-sheng,Mou Chuan-long,Wang rui-hua etal.Reef-bank features of Permian Changxing Forma-tion and Triassic Feixianguan Formation in the Dax-ian-Xuanhan Area,Sichuan Province,South China andconstraint for the reservoirs of natural gas.EarthScience Frontiers,2007,14(1):182～190
[16]马永生,郭旭升,凡睿.川东北普光气田飞仙关组鲕滩储集层预测.石油勘探与开发,2005,32(4):60～65Ma Yong-sheng,Guo Xu-sheng;Fan Rui.Reservoirprediction of Feixianguan Formation in Puguang GasField,Northeast Sichuan Province.Petroleum Explo-ration and Development,2005,32(4):60～65
[17]武丽,施炜,李剑峰等.虚拟现实技术在鄂尔多斯盆地塔巴庙区块的应用.地学前缘,2005,12(4):568～575Wu Li,Shi Wei,LI Jian-feng et al.The use of virtualreality technology in the Tabamiao region of the Or-dos Basin.Earth Science Frontiers,2005,12(4):568～575
[18]凌云研究组.基本地震属性在沉积环境解释中的应用研究.石油地球物理勘探,2003,38(6):624～653Ling Yun Research Group.Study on application ofbasic seismic attributes to interpretation of deposi-tional environment.OGP,2003,38(6):624～653
[19]凌云研究组.储层演化地震分析.石油地球物理勘探,2004,39(6):672～678Ling Yun Research Group.Seismic analysis of reser-voir evolution.OGP,2004,39(6):672～678
[20]凌云,孙德胜,高军等.基于三维地震数据的准层序组内沉积体的解释研究.石油物探,2005,44(6):568～578Ling Yun,Sun De-sheng,Gao Jun et al.Interpretationof depositional bodies in the parasequence sets from 3-D seismic data.GPP,2005,44(6):568～578
[21]凌云,孙德胜,高军等.叠置薄储层的沉积微相解释研究.石油物探,2006,45(4):329～341Ling Yun,Sun De-sheng,Gao Jun et al.Interpretationresearch into continental microfacies of superposedthin reservoirs.GPP,2006,45(4):329～341
[22]凌云,孙德胜,林吉祥等.薄储层叠后反演影响因素分析与地震属性解释研究.石油物探,2008,47(1):1～16Ling Yun,Sun De-sheng,Lin Ji-xiang et al.Analysison affecting factors of post-stack inversion and seis-mic attribute interpretation of thin reservoir.GPP,2008,47(1):1～16
[23]武丽,于文芹,杨立强等.地震属性分析技术在波斯湾盆地中部S区块储层预测中的应用.石油地球物理勘探,2008,43(5):557～561Wu Li,Yu Wen-qin,Yang Li-qiang.Application ofseismic attributes analytic technique to reservoir pre-diction in some block of central part of Persian Gulfbasin.OGP,2008,43(5):557～561
[2]马永生,蔡勋育,李国雄.四川盆地普光大型气藏基本特征及成藏富集规律.地质学报,2005,79(6):858～865Ma Yong-sheng,Cai Xun-yu,Li Guo-xiong.Basiccharacteristics and concentraion of the Puguang GasField in the Sichuan Basin.Acta Geologica Sinica,2005,79(6):858～865
[3]马永生等著.中国海相油气勘探.北京:地质出版社,2007
[4]敬朋贵.川东北地区礁滩相储层预测技术与应用.石油物探,2007,46(4):363～369Jing Peng-gui.Reservoir prediction technology ofreef-flat facies in northeast Sichuan province and itsapplication.GPP,2007,46(4):363～369
[5]Sarg J F.Carbonate sequence stratigraphy.Sea LevelChange:An Integrated Approach(Wilgus C K et al,ed),SEPM Special Publication,42,155～181
[6]Vail P R.Seismic stratigraphy interpretation usingsequence stratigraphy,Part 1:Seismic StratigraphyInterpretation Procedure.in Bally A W,ed,Atlas ofSeismic Stratigraphy:AAPG Studies in Geology,1987,27(1):1～10
[7]Haq B U,Hardenbol J,Vail P R.Chronology of fluc-tuating sea levels since the Triassic.Science,1987,235:1156～1166
[8]Eberli G P and Ginsburg R N.Cenozoic progradationof northwestern Great Bahama Bank,a record of later-al platform growth and sea level fluctuations.Con-trols on Carbonate Platform and Basin Development(Crevello P D et al,ed),SEPM Special Publication,44,339～351
[9]蔡希源,李思田,郑和荣等.碳酸盐岩储层和沉积体系的地震成像.北京:地质工业出版社,2007
[10]贾振远,李之琪.碳酸盐岩沉积相和沉积环境.北京:中国地质大学出版社,1989
[11]刘传虎.碳酸盐岩储层特征与油气成藏.北京:石油工业出版社,2006
[12]马永生,梅冥相,陈小兵等.碳酸盐岩储层沉积学.北京:地质出版社,1999
[13]梅冥相,马永生等.碳酸盐岩沉积学导沦.北京:地震出版社,1997
[14]马永生,牟传龙,郭彤楼等.四川盆地东北部飞仙关组层序地层与储层分布.矿物岩石,2005,25(4):73～79Ma Yong-sheng,Mu Chuan-long,Guo Tong-lou.Se-quence stratigraphy and reservoir distribution of Feix-ianguan Formation in Northeastern Sichuan.Journalof Mineralogy and Petrology,2005,25(4):73～79
[15]马永生,牟传龙,王瑞华等.达县—宣汉地区长兴组—飞仙关组礁滩相特征及其对储层的制约.地学前缘,2007,14(1):182～190Ma Yong-sheng,Mou Chuan-long,Wang rui-hua etal.Reef-bank features of Permian Changxing Forma-tion and Triassic Feixianguan Formation in the Dax-ian-Xuanhan Area,Sichuan Province,South China andconstraint for the reservoirs of natural gas.EarthScience Frontiers,2007,14(1):182～190
[16]马永生,郭旭升,凡睿.川东北普光气田飞仙关组鲕滩储集层预测.石油勘探与开发,2005,32(4):60～65Ma Yong-sheng,Guo Xu-sheng;Fan Rui.Reservoirprediction of Feixianguan Formation in Puguang GasField,Northeast Sichuan Province.Petroleum Explo-ration and Development,2005,32(4):60～65
[17]武丽,施炜,李剑峰等.虚拟现实技术在鄂尔多斯盆地塔巴庙区块的应用.地学前缘,2005,12(4):568～575Wu Li,Shi Wei,LI Jian-feng et al.The use of virtualreality technology in the Tabamiao region of the Or-dos Basin.Earth Science Frontiers,2005,12(4):568～575
[18]凌云研究组.基本地震属性在沉积环境解释中的应用研究.石油地球物理勘探,2003,38(6):624～653Ling Yun Research Group.Study on application ofbasic seismic attributes to interpretation of deposi-tional environment.OGP,2003,38(6):624～653
[19]凌云研究组.储层演化地震分析.石油地球物理勘探,2004,39(6):672～678Ling Yun Research Group.Seismic analysis of reser-voir evolution.OGP,2004,39(6):672～678
[20]凌云,孙德胜,高军等.基于三维地震数据的准层序组内沉积体的解释研究.石油物探,2005,44(6):568～578Ling Yun,Sun De-sheng,Gao Jun et al.Interpretationof depositional bodies in the parasequence sets from 3-D seismic data.GPP,2005,44(6):568～578
[21]凌云,孙德胜,高军等.叠置薄储层的沉积微相解释研究.石油物探,2006,45(4):329～341Ling Yun,Sun De-sheng,Gao Jun et al.Interpretationresearch into continental microfacies of superposedthin reservoirs.GPP,2006,45(4):329～341
[22]凌云,孙德胜,林吉祥等.薄储层叠后反演影响因素分析与地震属性解释研究.石油物探,2008,47(1):1～16Ling Yun,Sun De-sheng,Lin Ji-xiang et al.Analysison affecting factors of post-stack inversion and seis-mic attribute interpretation of thin reservoir.GPP,2008,47(1):1～16
[23]武丽,于文芹,杨立强等.地震属性分析技术在波斯湾盆地中部S区块储层预测中的应用.石油地球物理勘探,2008,43(5):557～561Wu Li,Yu Wen-qin,Yang Li-qiang.Application ofseismic attributes analytic technique to reservoir pre-diction in some block of central part of Persian Gulfbasin.OGP,2008,43(5):557～561
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