塔里木盆地白垩系层序地层学
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摘要
通过地震剖面、测、钻井、野外地质露头以及岩心等资料的综合分析,白垩系可识别出8个三级层序边界,这些层序边界均为Ⅰ型层序边界。根据8个层序边界白垩系可划分出7个三级层序,分别为KSQ1~KSQ7层序。这些层序均可识别出低位体系域、湖侵体系域,由于基准面下降期间地层的剥蚀作用使高位体系域多发育不全。顺托果勒和阿瓦提地区大部分剖面缺失KSQ6和KSQ7层序。在研究区南部、东部和北部等盆地边缘区域白垩系下部地层呈现明显的下超和上超,导致缺失KSQ1或KSQ2层序。在盆地内部各层序均有分布。白垩系层序的发育特征明显受到构造运动、气候、沉积期古地貌和湖盆性质的影响。
Based on comprehensive analysis of seismic data,drilling data,logging data and outcrop data,8 sequence boundaries can be recognized,and all of the boundaries belong to type Ⅰ.According to 8 sequence boundaries,7 third-order sequences can be divided in Cretaceous: these are sequences KSQ1-KSQ7.Every sequence can be subdivided into lowstand system tract and transgressive system tract.Highstand system tracts remain few because of eroding during datum level falling.Sequences KSQ6 and KSQ7 are absent in Shuntuoguole and Awati area.Lower part of sequences downlaps on basin margin in southern,eastern and northern parts of the basin,which results in absence of sequences KSQ1 and KSQ2.All of sequences are present inner basin.Sequences in Cretaceous are controlled by tectonic activity,climate,palaeogeomorphology and basin features.
Based on comprehensive analysis of seismic data,drilling data,logging data and outcrop data,8 sequence boundaries can be recognized,and all of the boundaries belong to type Ⅰ.According to 8 sequence boundaries,7 third-order sequences can be divided in Cretaceous: these are sequences KSQ1-KSQ7.Every sequence can be subdivided into lowstand system tract and transgressive system tract.Highstand system tracts remain few because of eroding during datum level falling.Sequences KSQ6 and KSQ7 are absent in Shuntuoguole and Awati area.Lower part of sequences downlaps on basin margin in southern,eastern and northern parts of the basin,which results in absence of sequences KSQ1 and KSQ2.All of sequences are present inner basin.Sequences in Cretaceous are controlled by tectonic activity,climate,palaeogeomorphology and basin features.
引文
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[16]李国永,徐怀民,路言秋,等.准噶尔盆地西北缘八区克下组冲积扇高分辨率层序地层学[J].中南大学学报:自然科学版,2010,41(3):1126-1128.LI Guo-yong,XU Huai-min,LU Yan-qiu,et al.High-resolutionsequence stratigraphy for alluvial fan on lowerKaramayformation in 8th zone of northwestern Junggar Basin[J].Journalof Central South University:Science and Technology,2010,41(3):1126-1128.
[2]薛红兵,朱如凯,郭宏莉.塔里木盆地北部古近系-白垩系成岩相及其储集性能[J].新疆石油地质,2008,29(1):49-51.XUE Hong-bing,ZHU Ru-kai,GUO Hong-li.Diagenetic faciesand reservoir quality of Paleogene-Cretaceous in northern TarimBasin[J].Xinjiang Petroleum Geology,2008,29(1):49-51.
[3]王改云,王英民,廖飞燕,等.阿克库勒地区白垩系层序地层样式及油气勘探有利区带预测[J].吉林大学学报:地球科学版,2010,40(5):997-1001.WANG Gai-yun,WANG Ying-min,LIAO Fei-yan,et al.Sequence stratigraphy pattern and forecast of favorable zones forhydrocarbon exploration of Cretaceous in Akekule Area[J].Journal of Jilin University:Earth Science Editi,2010,40(5):997-1001.
[4]沈扬,马玉杰,赵力彬,等.库车坳陷东部古近系-白垩系储层控制因素及有利勘探区[J].石油与天然气地质,2009,30(2):136-139.SHEN Yang,MA Yu-jie,ZHAO LI-bin,et al.Controlling factorsof the Paleogene-Cretaceous reservoirs and potential explorationareas in the Eastern Kuqa Depression[J].Oil and Gas Geology,2009,30(2):136-139.
[5]王华,肖军,崔宝琛,等.露头层序地层学研究方法综述[J].地质科技情报,2002,21(4):16-20.WANG Hua,XIAO Jun,CUI Bao-chen,et al.Summary of studymethods for sequence startigraphy in outcrop[J].GeologicalScience and Technology Information,2002,21(4):16-20.
[6]肖建新,林畅松,刘景彦.塔里木盆地北部库车坳陷白垩系沉积古地理[J].现代地质,2005,19(2):256-258.XIAO Jian-xin,LIN Chang-song,LIU Jing-yan.Depositionalpalaeogeography of Cretaceous of Kuqa Depression[J].Geoscience,2005,19(2):256-258.
[7]王家豪,王华,陈红汉,等.库车前陆盆地前渊带层序地层分析—以白垩系卡普沙良群为例[J].地质科技情报,2005,24(1):26-29.WANG Jia-hao,WANG Hua,CHEN Hong-han,et al.Sequencestratigraphy of the foredeep in Kuqa Foreland Basin,Xinjiang:An Example from the Cretaceous Kapushaliang Group[J].Geological Science and Technology Information,2002,24(1):26-29.
[8]王家豪,王华,云露.库车前陆盆地早白垩世岩石圈粘弹性变形的地层记录[J].沉积学报,2010,28(3):413-416.WANG Jia-hao,WANG Hua,YUN Lu.Stratigraphic records onlithospheric viscoelastic deformation in early Cretaceous,KuqaForeland Basin[J].Acta Sedimentologica Sinica,2010,28(3):413-416.
[9]王家豪,王华,陈红汉.前陆盆地的构造演化及其沉积、地层响应[J].地学前缘,2007,14(4):115-121.WANG Jia-hao,WANG Hua,CHEN Hong-han.Research on thetectonic evolution of foreland basins and their responses todeposition and stratigraphy[J].Earth Science Frontiers,2007,14(4):115-121.
[10]杨俊丰,朱长见,张现军.塔西南南天山山前白垩系储集层特征及有利区带预测[J].新疆石油地质,2010,21(3):258-259.YANG Jun-feng,ZHU Chang-jian,ZHANG Xian-jun.TheCretaceous reservoir characteristic and favorable zone predictionin South Tianshan Piedmont in Southwestern Tarim Basin[J].Xinjiang Petroleum Geology,2010,21(3):258-259.
[11]严德天,王华,王家豪,等.库车坳陷东部白垩系沉积体系分析及有利油气勘探区带预测[J].地质学报,2006,80(3):382-389.YAN De-tian,WANG Hua,WANG Jia-hao,et al.Analysis of theCretaceous sequence stratigraphy pattern and controlling factorsin Kuqa foreland basin[J].Acta Geologica Sinica,2006,80(3):382-389.
[12]刘震,赵政璋,赵阳,等.含油气盆地岩性油气藏的形成和分布特征[J].石油学报,2006,27(1):17-23.LIU Zhen,ZHAO Zheng-zhang,ZHAO Yang,et al.Predominantcharacteristics of formation and distribution for lithologicreservoirs in petroliferous basin[J].Acta Petrolei Sinica,2006,27(1):17-23.
[13]林畅松,王清华,肖建新,等.库车坳陷白垩纪沉积层序构成及充填响应模式[J].中国科学:D辑,2004,34(3):74-82.LIN Chang-song,WANG Qing-hua,XIAO Jian-xin,et al.Depositional sequence architecture and filling response model ofthe Cretaceous in the Kuqadepression,Tarim basin[J].Science inChina:Series D,2004,34(3):74-82.
[14]纪学武,夏义平,徐礼贵,等.新疆地区油气勘探新领域展望[J].石油地球物理勘探,2007,42(3):334-337.JI Xue-wu,XIA Yi-ping,XU Li-gui,et al.Prospect in new fieldsof oil-gas exploration in Xinjiang area[J].Oil GeophysicalProspecting,2007,42(3):334-337.
[15]何发岐,梅廉夫,费琪,等.前陆盆地前缘隆起带圈闭的形成及其含油气性—以塔里木盆地沙雅隆起为例[J].石油实验地质,2006,28(5):418-422.HE Fa-qi,MEI Lian-fu,FEI Qi,et al.The formation andpetroleum-bearing capacity of traps in the frontal uplift of theforeland basin:Taking the Shaya uplift of the Tarim basin as anexample[J].Petroleum Geology&Experiment,2006,28(5):418-422.
[16]李国永,徐怀民,路言秋,等.准噶尔盆地西北缘八区克下组冲积扇高分辨率层序地层学[J].中南大学学报:自然科学版,2010,41(3):1126-1128.LI Guo-yong,XU Huai-min,LU Yan-qiu,et al.High-resolutionsequence stratigraphy for alluvial fan on lowerKaramayformation in 8th zone of northwestern Junggar Basin[J].Journalof Central South University:Science and Technology,2010,41(3):1126-1128.
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