准噶尔盆地莫西庄地区侏罗系三工河组层序地层学研究
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摘要
应用Vail经典层序地层学的理论和方法,综合利用测井、岩芯、地震、野外露头等资料,对准噶尔盆地莫西庄地区侏罗系三工河组层序边界、三级层序内的最大湖泛面和初始湖泛面进行识别,划分出2个三级层序(Jsq1和Jsq2),每个三级层序又划分为3个体系域,即低位体系域、湖侵体系域和高位体系域。对准层序、准层序组进行识别,划分19个准层序,分别对应19个小层,对5口单井进行层序划分,在横向上进行连井层序对比。对2个三级层序的地层特征进行研究,在此基础上,研究三工河组层序形成的主要控制因素。研究结果表明:构造活动是层序形成的主要控制因素;沉积物供给条件和气候变化对层序形成有较大的影响,湖平面的变化是构造沉降、气候变化、沉积物供给等因素的综合反映。
Using the theories and methods of Vail classic sequence stratigraphy,logging,drilling core,seismic,outcropping data of Jurassic Sangonghe Formation in Moxizhuang Area of Junggar Basin were analyzed to identify sequence boundary,maximum flooding surface and first flooding surface of third-order sequence.The formation was divided into two third-order sequence(Jsq1,Jsq2),and each sequence was divided into three system tracts,i.e.low system tract,transgressive systems tract and high system tract.Parasequenc and parasequence set were identified,the formation was subdivided into 19 parasequences,which were corresponded to 19 sublayers;5 wells sequence was divided,and sequence stratigraphic framework was established.The character of each sequence was analyzed,and the main controlling factors of the sequence formation was studied.The results show that tectonic activity is controlling the factor of the sequence formation main,sediment supply conditions and climate change have great impact on the formation of the sequence,and lake level change is a comprehensive reflection of tectonic subsidence,climate change,sediment supply and other factors.
Using the theories and methods of Vail classic sequence stratigraphy,logging,drilling core,seismic,outcropping data of Jurassic Sangonghe Formation in Moxizhuang Area of Junggar Basin were analyzed to identify sequence boundary,maximum flooding surface and first flooding surface of third-order sequence.The formation was divided into two third-order sequence(Jsq1,Jsq2),and each sequence was divided into three system tracts,i.e.low system tract,transgressive systems tract and high system tract.Parasequenc and parasequence set were identified,the formation was subdivided into 19 parasequences,which were corresponded to 19 sublayers;5 wells sequence was divided,and sequence stratigraphic framework was established.The character of each sequence was analyzed,and the main controlling factors of the sequence formation was studied.The results show that tectonic activity is controlling the factor of the sequence formation main,sediment supply conditions and climate change have great impact on the formation of the sequence,and lake level change is a comprehensive reflection of tectonic subsidence,climate change,sediment supply and other factors.
引文
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[14]Cross T A.Syratigraphic controls on reservoir attributes in continental strata[J].Earth Science Frontiers,2000,7(4):322-350.
[15]柳永清,李寅.准噶尔盆地侏罗系露头层序地层及沉积学特征[J].地球学报,2001,22(1):49-54.LIU Yong-qing,LI Yin.Research on the terrigenous outcrop sequence stratigraphy and sedimentology in the Jurassic Junggar Basin[J].Acta Geoscientia Sinica,2001,22(1):49-54.
[16]张冬玲,鲍志东,杨文秀.准噶尔盆地侏罗系层序地层格架的建立及主控因素分析[J].大庆石油学院学报,2005,29(2):10-27.ZHANG Dong-ling,BAO Zhi-dong,YANG Wen-xiu.Foundation of sequence stratigraphy framework and the analysis of the dominating factors of Jurassic in Junggar Basin[J].Journal of Daqing Petroleum Institute,2005,29(2):10-27.
[17]冀登武.准噶尔盆地侏罗系层序地层学与成岩动力学研究[D].杭州:浙江大学理学院,2006:20-45.JI Deng-wu.Sequence stratigraphy and diagenetic dynamic of Jurassic in Junggar Basin[D].Hangzhou:Zhejiang University.Department of Earth Science,2006:20-45.
[2]邱春光,邓宏文,吴铁壮,等.准噶尔盆地腹部侏罗系层序地层划分[J].新疆地质,2006,24(2):165-170.QIU Chun-guang,DENG Hong-wen,WU Tie-zhuang,et al.Characteristics of Jurassic sequence stratigraphy in the middle area of Junggar Basin[J].Xinjiang Geology,2006,24(2):165-170.
[3]祁利祺,鲍志东,吴博然,等.准噶尔盆地西北缘侏罗系展布与层序地层格架特征[J].石油与天然气地质,2008,29(2):261-267.QI Li-qi,BAO Zhi-dong,WU bo-ran,et al.Distribution and sequence stratigraphic framework of the Jurassic Strata on the northwestern margin of Junggar Basin[J].Oil&Gas Geology,2008,29(2):261-267.
[4]刘豪,王英民,王媛,等.准噶尔盆地侏罗系三工河组层序界面结构分析[J].新疆石油地质,2002,23(2):127-129.LIU Hao,WANG Ying-min,WANG Yuan,et al.Analysis of interfacial structure in J1s22 internal sequence of Jurassic Sangonghe Formation in Junggar Basin[J].Xinjiang Petroleum Geology,2002,23(2):127-129
[5]张冬玲,鲍志东,王建伟,等.准噶尔盆地中部下侏罗统三工河组二段沉积相及储层特征[J].古地理学报,2005,7(2):186-196.ZHANG Dong-ling,BAO Zhi-dong,WANG Jian-wei,et al.Sedimentary facies and reservoir characters of the Member 2 of Sangonghe Formation of Lower Jurassic in Central Junggar Basin[J].Journal of Palaeography,2005,7(2):186-196.
[6]刘辰生,郭建华.新疆阿克库勒地区三叠系中油组层序地层学研究[J].地层学杂志,2008,32(1):41-46.LIU Chen-sheng,GUO Jian-hua.Sequence Stratigraphy of the Triaccic middle oil-member in the Akekule Area,Xinjiang[J].Journal of Stratigraphy,2008,32(1):41-46.
[7]郭建华,王明艳,蒋小琼,等.塔里木盆地塔中和满西地区石炭系层序地层[J].中南大学学报:自然科学版,2004,35(1):122-128.GUO Jian-hua,WANG Ming-yan,JIANG Xiao-qiong,et al.Sequence stratigraphy of the Carboniferous in Tazhong and Manxi areas of Tarim Basin[J].Journal of Central South University:Science and Technology,2004,35(1):122-128.
[8]Galloway W E.Genetic stratigraphic sequences in basin analysisⅠ:Architecture and genesis of flooding-surface bounded depositional units[J].AAPG Bulletin,1989,73(2):125-142,143-154.
[9]Vail P R,Mitchum R M,Thompson S.Global cycles of relative changes of sea level[C]//Payton C E.Seismic stratigraphy application to hydrocarbon exploration.AAPG Memoir,1977,26(2):99-116.
[10]李占东,卢双舫,周件林.海拉尔盆地贝西斜坡北部白垩系南屯组层序界面识别与层序地层格架研究[J].地层学杂志,2009,33(2):169-176.LI Zhan-dong,LU Shuang-fang,ZHOU Jian-lin.Identification of sequence boundaries and establishment of sequence stratigraphic Framework in the Cretaceous Nantun Formation in the northern beixi slope area of the Hailaer Basin[J].Journal of Stratigraphy,2009,33(2):169-176.
[11]刘柏林,王启飞,阎泗民.准噶尔盆地腹部Z2井三叠系地层及沉积特征[J].地层学杂志,2008,32(2):188-193.LIU Bai-lin,WANG Qi-fei,YAN Si-min.Triassic stratigraphic and sedimentary characteristics of well Z2 from central Junggar Basin,Xinjiang[J].Journal of Stratigraphy,2008,32(2):188-193.
[12]鲍志东,管守锐,李儒峰,等.准噶尔盆地侏罗系层序地层学研究[J].石油勘探与开发,2002,29(1):48-51.BAO Zhi-dong,GUAN Shou-rui,LI Ru-feng,et al.Sequence stratigraphy of the Jurassic in Junggar basin[J].Petroleam Exploration&Development,2002,29(1):48-51.
[13]吴金才.准噶尔盆地腹部侏罗系层序地层学研究与隐蔽圈闭识别[D].成都:成都理工大学沉积地质研究院,2005:32-88.WU Jin-cai.Sequence stratigraphy research and subtle trap recognition in the centre part of Junggar Basin[D].Chengdu:Chengdu University of Technology.Institute of Sedimentary Geology,2005:32-88.
[14]Cross T A.Syratigraphic controls on reservoir attributes in continental strata[J].Earth Science Frontiers,2000,7(4):322-350.
[15]柳永清,李寅.准噶尔盆地侏罗系露头层序地层及沉积学特征[J].地球学报,2001,22(1):49-54.LIU Yong-qing,LI Yin.Research on the terrigenous outcrop sequence stratigraphy and sedimentology in the Jurassic Junggar Basin[J].Acta Geoscientia Sinica,2001,22(1):49-54.
[16]张冬玲,鲍志东,杨文秀.准噶尔盆地侏罗系层序地层格架的建立及主控因素分析[J].大庆石油学院学报,2005,29(2):10-27.ZHANG Dong-ling,BAO Zhi-dong,YANG Wen-xiu.Foundation of sequence stratigraphy framework and the analysis of the dominating factors of Jurassic in Junggar Basin[J].Journal of Daqing Petroleum Institute,2005,29(2):10-27.
[17]冀登武.准噶尔盆地侏罗系层序地层学与成岩动力学研究[D].杭州:浙江大学理学院,2006:20-45.JI Deng-wu.Sequence stratigraphy and diagenetic dynamic of Jurassic in Junggar Basin[D].Hangzhou:Zhejiang University.Department of Earth Science,2006:20-45.
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