板桥凹陷钱圈地区沙河街组沉积及砂体展布特征
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摘要
板桥凹陷钱圈地区沙河街组物源主要来自北部陡坡带增幅台地区和南部北大港潜山地区,在研究区北部陡坡带形成了扇三角洲沉积,在南部缓坡带形成了辫状河三角洲沉积。利用层序地层学和地震沉积学的研究思路和方法,在波阻抗数据体的基础上采用地层切片技术,在等时层序地层格架内结合单井岩-电关系,对三角洲体系砂体的展布特征进行了分析。研究结果表明:①南部缓坡带沙三上亚段沉积时期,物源主要来自北大港潜山地区,辫状河三角洲的砂体呈进积特征,展布范围逐渐变大,反映湖盆基准面下降的特征,在沙二段沉积时期,辫状河三角洲沉积物源来自增幅台和北大港潜山2个地区;陡坡带沙二段至沙一上亚段沉积时期,扇三角洲砂体呈退积特征,砂体展布范围逐渐变小,反映湖盆基准面上升的特征;②以地震波阻抗数据体为基础的地层切片技术可以清晰地刻画三角洲沉积体系的砂体沉积相带平面展布,砂体预测结果得到了钻井资料的进一步证实。
Shahejie Formation in Qianquan area,Banqiao Sag has two sediment sources:a fan delta whose sediments come from the Zengfutai area in the steep slope zone,and a braided river delta whose sediments are sourced from the North Dagang buried hill area of northwest slope. This paper analyzes the distribution characteristics of sandbodies in the delta depositional system by the ideas and methods of seismic sedimentology and stratigraphic slicing techniques on the basis of seismic impedance data,in combination of lithology-electric property relation in the isochronous stratigraphic framework. The results show that:① at the North Dagang buried hill of northwest slope,the sediments mainly come from the North Dagang buried hill area in the time of the Ess3 Formation deposition,and the sandbodies of braided river delta show prograded characteristic,reflecting a falling performance of base-levels. While in the time of Es2 Formation deposition,the sediment sources of braided river delta come from Zengfutai area and North Dagang buried hill area. But at the steep slope zone from the time of Es2 Formation deposition to Ess1 Formation deposition,the fan delta sand is of retrogradation characteristic,with the decreasing extension of sandbodies,indicating the rising of the base-levels. ②The stratigraphic slicing techniques on the basis of seismic impedance data can clearly describe the plane distribution of sand sedimentary facies in the delta depositional system. The prediction results of the sandbodies have been further proved by the drilling data.
Shahejie Formation in Qianquan area,Banqiao Sag has two sediment sources:a fan delta whose sediments come from the Zengfutai area in the steep slope zone,and a braided river delta whose sediments are sourced from the North Dagang buried hill area of northwest slope. This paper analyzes the distribution characteristics of sandbodies in the delta depositional system by the ideas and methods of seismic sedimentology and stratigraphic slicing techniques on the basis of seismic impedance data,in combination of lithology-electric property relation in the isochronous stratigraphic framework. The results show that:① at the North Dagang buried hill of northwest slope,the sediments mainly come from the North Dagang buried hill area in the time of the Ess3 Formation deposition,and the sandbodies of braided river delta show prograded characteristic,reflecting a falling performance of base-levels. While in the time of Es2 Formation deposition,the sediment sources of braided river delta come from Zengfutai area and North Dagang buried hill area. But at the steep slope zone from the time of Es2 Formation deposition to Ess1 Formation deposition,the fan delta sand is of retrogradation characteristic,with the decreasing extension of sandbodies,indicating the rising of the base-levels. ②The stratigraphic slicing techniques on the basis of seismic impedance data can clearly describe the plane distribution of sand sedimentary facies in the delta depositional system. The prediction results of the sandbodies have been further proved by the drilling data.
引文
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[9]徐颖新.新庙西地区构造精细解释及储层预测[J].石油地球物理勘探,2006,41(增刊):25-28.
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[12]刘保国,刘力辉.实用地震沉积学在沉积相分析中的应用[J].石油物探,2008,47(3):266-271.
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[14]Zeng H L,Hentz T F.Highf requency sequence stratigraphy fromseismic sedi mentology:Applied to Miocene,Vermilion Block50,Tiger Shoal area[J].Offshore Louisiana AAPG Bulletin,2004,88:153-174.
[15]凌云研究组.基本地震属性在沉积环境解释中的应用研究[J].石油地球物理勘探,2003,38(6):642-653.
[16]李秀鹏,曾洪流,查明.地震沉积学在识别三角洲沉积体系中的应用[J].成都理工大学学报:自然科学版,2008,35(6):625-629.
[17]杨贵祥,黄捍东,高锐,等.地震反演成果的沉积学解释[J].石油实验地质,2009,31(4):415-419.
[18]张义娜,朱筱敏,刘长利.地震沉积学及其在中亚南部地区的应用[J].石油勘探与开发,2009,36(1):74-79.
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[20]Zeng HL,Backus M M.Interpretive advantages of90°-phase wavelets:Part1,modeling[J].Geophysics,2005,70(3):7-15.
[21]Schlager W.The future of applied sedi mentary geology[J].Geophysical Prospecting,1981,29(3):327-349.
[22]张永华,杨道庆,孙耀华,等.高精度层序地层学在隐蔽油藏预测中的应用[J].石油物探,2007,46(4):378-653.
[23]刘保国,刘力辉.实用地震沉积学在沉积相分析中的应用.石油物探,2008,47(3):266-271.
[24]黄传炎,王华,肖敦清,等.板桥凹陷断裂陡坡带沙一段层序样式和沉积体系特征及其成藏模式研究[J].沉积学报,2007,25(3):386-391.
[25]陈纯芳,郑浚茂,王德发.板桥凹陷沙三段沉积体系与物源分析[J].古地理学报,2001,3(1):55-62.
[26]石世革.黄骅坳陷板桥凹陷古近系沙一段中部层序地层学研究与岩性油气藏勘探[J].石油与天然气地质,2008,29(3):320-325.
[27]大港油田石油地质编辑委员会.中国石油地质志(卷四)———大港油田[M].北京:石油工业出版社,1991:10-120.
[28]MitchumJr R M,Vail P R,Thompson M.Seismic stratigra-phy and global changes of sea level:The depositional sequence as a basic unit for stratigraphic analysis[M]∥Payton C E.Seismic stratigraphic applications of hydrocarbon explora-tion AAPG Memoir.London:Geological Society Special Publi-cation,1997:53-62.
[29]吴因业,顾家裕,施和生,等.从层序地层学到地震沉积学———全国第5届油气层序地层学大会综述[J].石油实验地质,2008,30(3):217-220.
[30]Zeng H L,Kerans C.Seismic frequency control on carbonate seismic stratigraphy:A case study of the Kingdom Abose-quence,West Texas[J].AAPG Bulletin,2003,87(2):273-293.
[31]刘保国,刘力辉.实用地震沉积学在沉积相分析中的应用[J].石油物探,2008,47(3):266-271.
[32]周海民,董月霞.陆相断陷盆地层序地层学工作方法图集[M].北京:石油工业出版社,2006:23-47.
[33]蒲仁海,钟红利,范春花.呼和湖凹陷地震相[J].西北大学学报:自然科学版,2004,34(5):601-602.
[34]廖远涛,张世民,夏鹏远,等.东濮凹陷文东地区沙三段层序地层学特征[J].地球科学:中国地质大学学报,2005,30(2):133-139.
[35]Veeken P C H,Ds Silva M.Seismic inversion methods and some of their constraints[J].First Break,2004,22:47-70.
[36]王福利.川西白马庙地区地震储层预测研究[D].北京:中国地质大学,2002:42.
[37]段云卿,王彦春,覃天,等.储层地震反演在辽河油田大民屯凹陷的应用[J].地球科学:中国地质大学学报,2007,32(4):554-558.
[38]石万忠,孔敏,宋志峰.伊通盆地梁家地区奢岭组混源扇三角洲内幕结构[J].地球科学:中国地质大学学报,2008,33(3):365-370.
[39]Pendrel J,van Riel A.Methodology for seismic inversion and modeling:A western Canadian reef example[M].[S.l].:Publicationin the CSEG Recorder,2001:1-12.
[40]安鸿伟,李正文,李仁甫,等.稀疏脉冲波阻抗反演在YX油田开发中的应用[J].石油物探,2002,41(1):56-60.
[41]Carlos T,Marcos V M.Trace-based and geostatistical inver-sion of3-Dseismic data for thin-sand delineation:An applica-tionin San Jorge Basin,Argentina[J].The Leading Edge,1999,18(9):1070-1077.
[42]刘成斋,冉建斌,杨永生,等.稀疏脉冲和基于模型反演在王家岗沙四段砂岩油藏精细勘探中的应用[J].石油地球物理勘探,2002,37(4):401-407.
[43]魏嘉.地震沉积学———地震解释的新思路及沉积研究的新工具[J].石油地球物理勘探,2008,31(2):95-101.
[44]Chen Quincey.用于储层预测和林测的地震属性分析技术[J].王忠,译.石油物探译丛,1997(6):27-32.
[45]Chen Q,Sidney S.Seismic attribute technology for reservoir forecasting and monitoring[J].The Leading Edge,1997,16(5):445-456.
[46]John W.Seismic guided esti mation of log properties[J].The Leading Edge,1994,13(5):305-310.
[47]Brown A R,Dahm C G,Graebner R J.A stratigraphic case history using three-di mensional seismic data in the Gulf of Thailand[J].Geophysical Prospecting,1981,29(3):327-349.
[48]季玉新.优选地震属性预测储层以数方法及应用研究[J].石油地球物理勘探,2003,38(增刊):57-62.
[2]吴因业,顾家裕.油气层序地层学[M].北京:石油工业出版社,2002:33-152.
[3]Zeng HL,Henry S C,Riola J P.Stratal slicing,partⅡ:Real3-Dseismic data[J].Geophysics,1998,63(2):514-522.
[4]Zeng HL,Ambrose WA.Seismic sedi mentology and regional depositional systemsin Mioceno Norie,Lake Maracaibo,Ven-ezuela[J].The Leading Edge,2001,20(11):1260-1269.
[5]林承焰,张宪国.地震沉积学探讨[J].地球科学进展,2006,21(11):1140-1144.
[6]林正良,王华,李红敬,等.地震沉积学研究现状及进展综述[J].地质科技情报,2009,28(5):131-137.
[7]陆永潮,杜学斌,陈平,等.油气精细勘探的主要方法体系———地震沉积学研究[J].石油实验地质,2008,30(1):1-5.
[8]Wolfgang S.The future of applied sedi mentary geology[J].Journal of Sedi mentary Research,2000,20(1):2-9.
[9]徐颖新.新庙西地区构造精细解释及储层预测[J].石油地球物理勘探,2006,41(增刊):25-28.
[10]林承焰,张宪国,董春梅.地震沉积学及其初步应用[J].石油学报,2007,28(2):69-72.
[11]董艳蕾,朱筱敏,曾洪流,等.黄骅坳陷歧南凹陷古近系沙一层序地震沉积学研究[J].沉积学报,2008,26(2):234-240.
[12]刘保国,刘力辉.实用地震沉积学在沉积相分析中的应用[J].石油物探,2008,47(3):266-271.
[13]Zeng H L,Robert G.Mapping sedi ment dispersal patterns and associated systems tracts in fourth and fifth order sequences using seismic sedi mentology:Example from Corpus Christi Bay,Texas[J].AAPG Bulletin,2007,91(7):981-1003.
[14]Zeng H L,Hentz T F.Highf requency sequence stratigraphy fromseismic sedi mentology:Applied to Miocene,Vermilion Block50,Tiger Shoal area[J].Offshore Louisiana AAPG Bulletin,2004,88:153-174.
[15]凌云研究组.基本地震属性在沉积环境解释中的应用研究[J].石油地球物理勘探,2003,38(6):642-653.
[16]李秀鹏,曾洪流,查明.地震沉积学在识别三角洲沉积体系中的应用[J].成都理工大学学报:自然科学版,2008,35(6):625-629.
[17]杨贵祥,黄捍东,高锐,等.地震反演成果的沉积学解释[J].石油实验地质,2009,31(4):415-419.
[18]张义娜,朱筱敏,刘长利.地震沉积学及其在中亚南部地区的应用[J].石油勘探与开发,2009,36(1):74-79.
[19]Brown A R.Seismic attributes andtheir classification[J].The Leading Edge,1996,15(10):1090.
[20]Zeng HL,Backus M M.Interpretive advantages of90°-phase wavelets:Part1,modeling[J].Geophysics,2005,70(3):7-15.
[21]Schlager W.The future of applied sedi mentary geology[J].Geophysical Prospecting,1981,29(3):327-349.
[22]张永华,杨道庆,孙耀华,等.高精度层序地层学在隐蔽油藏预测中的应用[J].石油物探,2007,46(4):378-653.
[23]刘保国,刘力辉.实用地震沉积学在沉积相分析中的应用.石油物探,2008,47(3):266-271.
[24]黄传炎,王华,肖敦清,等.板桥凹陷断裂陡坡带沙一段层序样式和沉积体系特征及其成藏模式研究[J].沉积学报,2007,25(3):386-391.
[25]陈纯芳,郑浚茂,王德发.板桥凹陷沙三段沉积体系与物源分析[J].古地理学报,2001,3(1):55-62.
[26]石世革.黄骅坳陷板桥凹陷古近系沙一段中部层序地层学研究与岩性油气藏勘探[J].石油与天然气地质,2008,29(3):320-325.
[27]大港油田石油地质编辑委员会.中国石油地质志(卷四)———大港油田[M].北京:石油工业出版社,1991:10-120.
[28]MitchumJr R M,Vail P R,Thompson M.Seismic stratigra-phy and global changes of sea level:The depositional sequence as a basic unit for stratigraphic analysis[M]∥Payton C E.Seismic stratigraphic applications of hydrocarbon explora-tion AAPG Memoir.London:Geological Society Special Publi-cation,1997:53-62.
[29]吴因业,顾家裕,施和生,等.从层序地层学到地震沉积学———全国第5届油气层序地层学大会综述[J].石油实验地质,2008,30(3):217-220.
[30]Zeng H L,Kerans C.Seismic frequency control on carbonate seismic stratigraphy:A case study of the Kingdom Abose-quence,West Texas[J].AAPG Bulletin,2003,87(2):273-293.
[31]刘保国,刘力辉.实用地震沉积学在沉积相分析中的应用[J].石油物探,2008,47(3):266-271.
[32]周海民,董月霞.陆相断陷盆地层序地层学工作方法图集[M].北京:石油工业出版社,2006:23-47.
[33]蒲仁海,钟红利,范春花.呼和湖凹陷地震相[J].西北大学学报:自然科学版,2004,34(5):601-602.
[34]廖远涛,张世民,夏鹏远,等.东濮凹陷文东地区沙三段层序地层学特征[J].地球科学:中国地质大学学报,2005,30(2):133-139.
[35]Veeken P C H,Ds Silva M.Seismic inversion methods and some of their constraints[J].First Break,2004,22:47-70.
[36]王福利.川西白马庙地区地震储层预测研究[D].北京:中国地质大学,2002:42.
[37]段云卿,王彦春,覃天,等.储层地震反演在辽河油田大民屯凹陷的应用[J].地球科学:中国地质大学学报,2007,32(4):554-558.
[38]石万忠,孔敏,宋志峰.伊通盆地梁家地区奢岭组混源扇三角洲内幕结构[J].地球科学:中国地质大学学报,2008,33(3):365-370.
[39]Pendrel J,van Riel A.Methodology for seismic inversion and modeling:A western Canadian reef example[M].[S.l].:Publicationin the CSEG Recorder,2001:1-12.
[40]安鸿伟,李正文,李仁甫,等.稀疏脉冲波阻抗反演在YX油田开发中的应用[J].石油物探,2002,41(1):56-60.
[41]Carlos T,Marcos V M.Trace-based and geostatistical inver-sion of3-Dseismic data for thin-sand delineation:An applica-tionin San Jorge Basin,Argentina[J].The Leading Edge,1999,18(9):1070-1077.
[42]刘成斋,冉建斌,杨永生,等.稀疏脉冲和基于模型反演在王家岗沙四段砂岩油藏精细勘探中的应用[J].石油地球物理勘探,2002,37(4):401-407.
[43]魏嘉.地震沉积学———地震解释的新思路及沉积研究的新工具[J].石油地球物理勘探,2008,31(2):95-101.
[44]Chen Quincey.用于储层预测和林测的地震属性分析技术[J].王忠,译.石油物探译丛,1997(6):27-32.
[45]Chen Q,Sidney S.Seismic attribute technology for reservoir forecasting and monitoring[J].The Leading Edge,1997,16(5):445-456.
[46]John W.Seismic guided esti mation of log properties[J].The Leading Edge,1994,13(5):305-310.
[47]Brown A R,Dahm C G,Graebner R J.A stratigraphic case history using three-di mensional seismic data in the Gulf of Thailand[J].Geophysical Prospecting,1981,29(3):327-349.
[48]季玉新.优选地震属性预测储层以数方法及应用研究[J].石油地球物理勘探,2003,38(增刊):57-62.
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