海拉尔盆地呼和湖凹陷白垩系地震相
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摘要
海拉尔盆地呼和湖凹陷是大庆油田寻找后备储量的新领域,但由于研究程度较低,至今未取得重大突破。依据地震反射终止关系,结合区域地质背景,将呼和湖凹陷白垩系划分成8个地震层序,即Sq1—Sq8。利用地震反射内部结构和外部几何形态,结合地震反射同相轴的振幅和连续性等参数,在研究区目的层(Sq1—Sq5)内识别出平行席状、亚平行席状、前积、充填、楔状、丘状、杂乱及波状-乱岗状地震相共8种地震相,并对其特征进行了描述。各种地震相平面分布具有差异性、纵向上具有继承性和演化性。经过综合解释,建立地震相与单井沉积相之间的响应关系,把地震相转换为沉积相。以湖泊沉积理论为指导,建立目的层各层序地震相-沉积相模式,结果表明,目的层主要发育冲积扇、扇三角洲、辫状河三角洲、湖泊以及湖底扇等沉积体系。
The petroleum exploration in the Huhehu Depression of Hailar Basin has become a new area for searching for reserves in the Daqing Oilfield,but no great breakthrough has been made owing to the lower study degree.According to the seismic reflection termination relationship and the regional geological background,the Cretaceous in the Huhehu Depression can be divided into eight seismic sequences,Sq1—Sq8.According to the internal reflection texture and external geometric configuration and in combination with the parameters of amplitude and continuity,eight seismic facies are identified in the target sequences of the study area,including parallel sheet,sub-parallel sheet,prograding,filling,wedge shaped,moundy,chaotic and wave-hummocky seismic facies.And their characteristics are described in detail.These seismic facies show differentiation in horizontal distribution and are successive and evolutionary vertically.Seismic facies are transformed into sedimentary facies through a comprehensive interpretation.The seismic-sedimentary facies model of each sequence is established according to the lacustrine sedimentary theory.The results show that the target sequences develop the sedimentary systems of alluvial fan,fan delta,braided river delta,lake and sublacustrine fan.
The petroleum exploration in the Huhehu Depression of Hailar Basin has become a new area for searching for reserves in the Daqing Oilfield,but no great breakthrough has been made owing to the lower study degree.According to the seismic reflection termination relationship and the regional geological background,the Cretaceous in the Huhehu Depression can be divided into eight seismic sequences,Sq1—Sq8.According to the internal reflection texture and external geometric configuration and in combination with the parameters of amplitude and continuity,eight seismic facies are identified in the target sequences of the study area,including parallel sheet,sub-parallel sheet,prograding,filling,wedge shaped,moundy,chaotic and wave-hummocky seismic facies.And their characteristics are described in detail.These seismic facies show differentiation in horizontal distribution and are successive and evolutionary vertically.Seismic facies are transformed into sedimentary facies through a comprehensive interpretation.The seismic-sedimentary facies model of each sequence is established according to the lacustrine sedimentary theory.The results show that the target sequences develop the sedimentary systems of alluvial fan,fan delta,braided river delta,lake and sublacustrine fan.
引文
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[9]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.Pu Renhai,Zhong Hongli,Fan Chunhua.Seismic facies of HuhehuDepression,Hailar Basin[J].Journal of Northwest University:Natural Science Edition,2004,34(5):601-602.
[10]陈均亮,吴河勇,朱德丰,等.海拉尔盆地构造演化及油气勘探前景[J].地质科学,2007,42(1):147-159.Chen Junliang,Wu Heyong,Zhu Defeng,et al.Tectonic evolution ofthe Hailar Basin and its potentials of oil-gas exploration[J].ChineseJournal of Geology,2007,42(1):147-159.
[11]徐安娜,董月霞,韩大匡,等.地震、测井和地质综合一体化油藏描述与评价:以南堡1号构造东营组一段油藏为例[J].石油勘探与开发,2009,36(5):541-551.Xu Anna,Dong Yuexia,Han Dakuang,et al.Integrated descriptionand evaluation of reservoirs based on seismic,logging and geologicaldata:Taking Dongying Formation Member 1 oil reservoir of No.1structure,Nanpu Sag as an example[J].Petroleum Exploration andDevelopment,2009,36(5):541-551.
[12]韩小俊,施泽进,郑天发.地震地层及地震相分析在川东南复杂储层识别中的应用[J].成都理工大学学报:自然科学版,2006,33(2):193-197.Han Xiaojun,Shi Zejin,Zheng Tianfa.Application of seismicsequence and seismic facies analysis technique in complicatedreservoir identification in the southeast of Sichuan,China[J].Journalof Chengdu University of Technology:Edition of Natural Science,2006,33(2):193-197.
[13]Brown L F.AAPG continuing education course notes:seismicstratigraphic interpretation and petroleum exploration[M].Tulsa:AAPG,1980:24-28.
[14]徐怀大,王世飞,陈开远.地震地层学解释基础[M].武汉:中国地质大学出版社,1990:12-145.Xu Huaida,Wang Shifei,Chen Kaiyuan.The basis of seismicstratigrahy interpretation[M].Wuhan:China University ofGeosciences Press,1990:12-145.
[15]吴键,李凡华.三维地质建模与地震反演结合预测含油单砂体[J].石油勘探与开发,2009,36(5):623-627.Wu Jian,Li Fanhua.Prediction of oil-bearing single sandbody by 3Dgeological modeling combined with seismic inversion[J].PetroleumExploration and Development,2009,36(5):623-627.
[16]董艳蕾,朱筱敏,李德江,等.渤海湾盆地辽东湾地区古近系地震相研究[J].沉积学报,2007,25(4):554-563.Dong Yanlei,Zhu Xiaomin,Li Dejiang,et al.Seismic facies ofPaleogene in Liaodong Bay,Bohai Basin[J].Acta SedimentologicaSinica,2007,25(4):554-563.
[17]Lambiase J J.A model for tectonic control of lacustrine stratigraphicsequences in continental rift basins[C]//Katz B J.Lacustrineexploration:Case studies and modern analogues:AAPG Memoir 50.Tulsa:AAPG,1990:265-276.
[18]于兴河.碎屑岩系油气储层沉积学[M].北京:石油工业出版社,2002:66.Yu Xinghe.Clastic petroleum reservoir sedimentology[M].Beijing:Petroleum Industry Press,2002:66.
[19]刘振武,撒利明,董世泰,等.中国石油高密度地震技术的实践与未来[J].石油勘探与开发,2009,36(2):129-135.Liu Zhenwu,Sa Liming,Dong Shitai,et al.Practices and expectationof high-density seismic exploration technology in CNPC[J].Petroleum Exploration and Development,2009,36(2):129-135.
[20]陈广坡,王天奇,李林波,等.箕状断陷湖盆湖底扇特征及油气勘探:以二连盆地赛汉塔拉凹陷腾格尔组二段为例[J].石油勘探与开发,2010,37(1):63-69.Chen Guangpo,Wang Tianqi,Li Linbo,et al.Characteristics ofsublacustrine fan in half-graben rift lake basin and its petroleumprospecting:Case study on the second member of Tenggeer Formation,Saihantala Sag,Erlian Basin[J].Petroleum Exploration andDevelopment,2010,37(1):63-69.
[21]唐金生,杨建国,郭庆霞,等.依—舒地堑汤原断陷天然气成藏条件及气藏类型[J].石油勘探与开发,2009,36(5):593-600.Tang Jinsheng,Yang Jianguo,Guo Qingxia,et al.Formation andtypes of natural gas reservoirs of Tangyuan fault depression inYi-Shu graben[J].Petroleum Exploration and Development,2009,36(5):593-600.
[22]顾家裕.陆相断陷盆地层序地层学格架概念及模式[J].石油勘探与开发,1995,22(4):6-10.Gu Jiayu.Framework concepts and models of sequences stratigraphyin nonmarine petroliferous basin[J].Petroleum Exploration andDevelopment,1995,22(4):6-10.
[2]崔军平,任战利,肖晖.海拉尔盆地呼和湖凹陷热演化史与油气关系[J].中国地质,2007,34(5):522-527.Cui Junping,Ren Zhanli,Xiao Hui.Relations between the thermalhistory and petroleum generation in the Huh Lake depression,Hailarbasin[J].Geology in China,2007,34(5):522-527.
[3]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.Zhang Yi’na,Zhu Xiaomin,Liu Changli.Seismic sedimentology andits application in south of Central Asia[J].Petroleum Exploration andDevelopment,2009,36(1):74-79.
[4]卢双舫,刘晓艳,曲佳燕,等.海拉尔盆地呼和湖凹陷烃源岩原始生烃潜力和原始有机碳的恢复[J].大庆石油学院学报,1995,19(1):31-33.Lu Shuangfang,Liu Xiaoyan,Qu Jiayan,et al.Restoring of originalhydrocarbon potential and original organic carbon of source rocks inHuhehu Depression,Hailar Basin[J].Journal of Daqing PetroleumInstitute,1995,19(1):31-33.
[5]卢双舫,申家年,王振平,等.海拉尔盆地煤层气资源评价及潜力分析[J].煤田地质与勘探,2003,31(6):28-31.Lu Shuangfang,Shen Jianian,Wang Zhenping,et al.Resourceevaluation of coalbed gas and potential analysis in Hailar Basin[J].Coal Geology&Exploration,2003,31(6):28-31.
[6]李全,林畅松,吴伟,等.地震沉积学方法在确定沉积相边界方面的应用[J].西南石油大学学报:自然科学版,2010,32(4):50-55.Li Quan,Lin Changsong,Wu Wei,et al.Identify the boundary ofdepositional system by using seismic sedimentology[J].Journal ofSouthwest Petroleum University:Science&Technology Edition,2010,32(4):50-55.
[7]秦建中,陈建平,张吉光.海拉尔盆地原油地球化学特征与成因分类[J].石油勘探与开发,2003,30(5):39-42.Qin Jianzhong,Chen Jianping,Zhang Jiguang.Geochemical featuresand classification of crude oils in the Hailaer Basin,NortheastChina[J].Petroleum Exploration and Development,2003,30(5):39-42.
[8]陈守田,刘招君,刘杰烈.海拉尔盆地构造样式分析[J].吉林大学学报:地球科学版,2005,35(1):39-42.Chen Shoutian,Liu Zhaojun,Liu Jielie.Analysis on structural stylein the Hailaer Basin[J].Journal of Jilin University:Earth ScienceEdition,2005,35(1):39-42.
[9]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.Pu Renhai,Zhong Hongli,Fan Chunhua.Seismic facies of HuhehuDepression,Hailar Basin[J].Journal of Northwest University:Natural Science Edition,2004,34(5):601-602.
[10]陈均亮,吴河勇,朱德丰,等.海拉尔盆地构造演化及油气勘探前景[J].地质科学,2007,42(1):147-159.Chen Junliang,Wu Heyong,Zhu Defeng,et al.Tectonic evolution ofthe Hailar Basin and its potentials of oil-gas exploration[J].ChineseJournal of Geology,2007,42(1):147-159.
[11]徐安娜,董月霞,韩大匡,等.地震、测井和地质综合一体化油藏描述与评价:以南堡1号构造东营组一段油藏为例[J].石油勘探与开发,2009,36(5):541-551.Xu Anna,Dong Yuexia,Han Dakuang,et al.Integrated descriptionand evaluation of reservoirs based on seismic,logging and geologicaldata:Taking Dongying Formation Member 1 oil reservoir of No.1structure,Nanpu Sag as an example[J].Petroleum Exploration andDevelopment,2009,36(5):541-551.
[12]韩小俊,施泽进,郑天发.地震地层及地震相分析在川东南复杂储层识别中的应用[J].成都理工大学学报:自然科学版,2006,33(2):193-197.Han Xiaojun,Shi Zejin,Zheng Tianfa.Application of seismicsequence and seismic facies analysis technique in complicatedreservoir identification in the southeast of Sichuan,China[J].Journalof Chengdu University of Technology:Edition of Natural Science,2006,33(2):193-197.
[13]Brown L F.AAPG continuing education course notes:seismicstratigraphic interpretation and petroleum exploration[M].Tulsa:AAPG,1980:24-28.
[14]徐怀大,王世飞,陈开远.地震地层学解释基础[M].武汉:中国地质大学出版社,1990:12-145.Xu Huaida,Wang Shifei,Chen Kaiyuan.The basis of seismicstratigrahy interpretation[M].Wuhan:China University ofGeosciences Press,1990:12-145.
[15]吴键,李凡华.三维地质建模与地震反演结合预测含油单砂体[J].石油勘探与开发,2009,36(5):623-627.Wu Jian,Li Fanhua.Prediction of oil-bearing single sandbody by 3Dgeological modeling combined with seismic inversion[J].PetroleumExploration and Development,2009,36(5):623-627.
[16]董艳蕾,朱筱敏,李德江,等.渤海湾盆地辽东湾地区古近系地震相研究[J].沉积学报,2007,25(4):554-563.Dong Yanlei,Zhu Xiaomin,Li Dejiang,et al.Seismic facies ofPaleogene in Liaodong Bay,Bohai Basin[J].Acta SedimentologicaSinica,2007,25(4):554-563.
[17]Lambiase J J.A model for tectonic control of lacustrine stratigraphicsequences in continental rift basins[C]//Katz B J.Lacustrineexploration:Case studies and modern analogues:AAPG Memoir 50.Tulsa:AAPG,1990:265-276.
[18]于兴河.碎屑岩系油气储层沉积学[M].北京:石油工业出版社,2002:66.Yu Xinghe.Clastic petroleum reservoir sedimentology[M].Beijing:Petroleum Industry Press,2002:66.
[19]刘振武,撒利明,董世泰,等.中国石油高密度地震技术的实践与未来[J].石油勘探与开发,2009,36(2):129-135.Liu Zhenwu,Sa Liming,Dong Shitai,et al.Practices and expectationof high-density seismic exploration technology in CNPC[J].Petroleum Exploration and Development,2009,36(2):129-135.
[20]陈广坡,王天奇,李林波,等.箕状断陷湖盆湖底扇特征及油气勘探:以二连盆地赛汉塔拉凹陷腾格尔组二段为例[J].石油勘探与开发,2010,37(1):63-69.Chen Guangpo,Wang Tianqi,Li Linbo,et al.Characteristics ofsublacustrine fan in half-graben rift lake basin and its petroleumprospecting:Case study on the second member of Tenggeer Formation,Saihantala Sag,Erlian Basin[J].Petroleum Exploration andDevelopment,2010,37(1):63-69.
[21]唐金生,杨建国,郭庆霞,等.依—舒地堑汤原断陷天然气成藏条件及气藏类型[J].石油勘探与开发,2009,36(5):593-600.Tang Jinsheng,Yang Jianguo,Guo Qingxia,et al.Formation andtypes of natural gas reservoirs of Tangyuan fault depression inYi-Shu graben[J].Petroleum Exploration and Development,2009,36(5):593-600.
[22]顾家裕.陆相断陷盆地层序地层学格架概念及模式[J].石油勘探与开发,1995,22(4):6-10.Gu Jiayu.Framework concepts and models of sequences stratigraphyin nonmarine petroliferous basin[J].Petroleum Exploration andDevelopment,1995,22(4):6-10.
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