塔东地区寒武-奥陶系沉积相与沉积演化模式
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摘要
在地震地层学和海相碳酸盐岩沉积模式的指导下,以单井沉积相分析和地震资料为基础,结合钻井、地表露头资料分析,对塔里木盆地塔东地区寒武-奥陶系沉积相进行了详细的研究,识别出塔东地区寒武-奥陶系沉积相具有西部碳酸盐岩台地相区、东部盆地相区和中间过渡带斜坡相区的典型三分结构。在对沉积相平面展布、沉积演化等沉积体系分析的基础上,综合考虑了古地理沉积环境、沉积相平面组合规律及控制因素,建立了塔东地区寒武-奥陶系沉积演化模式。
According to seismic stratigraphy and the depositional models of marine carbonate rocks,the sedimentary facies of the Cambrian-Ordovician strata in the Tadong region is interpreted on the basis of sedimentary facies of single wells,seimic data,as well as drilling and surface outcrop data.The sedimentary facies in the region is of typical trisection units,which are western carbonate platform facies,eastern basin facies and slope facies of middle transition belts.The sedimentary model of the Cambrian-Ordovician strata in the region is set up by analyzing the sedimentary facies,sedimentary evolution, sedimentary systems,paleo-environment and planar assemblage of sedimentary facies.
According to seismic stratigraphy and the depositional models of marine carbonate rocks,the sedimentary facies of the Cambrian-Ordovician strata in the Tadong region is interpreted on the basis of sedimentary facies of single wells,seimic data,as well as drilling and surface outcrop data.The sedimentary facies in the region is of typical trisection units,which are western carbonate platform facies,eastern basin facies and slope facies of middle transition belts.The sedimentary model of the Cambrian-Ordovician strata in the region is set up by analyzing the sedimentary facies,sedimentary evolution, sedimentary systems,paleo-environment and planar assemblage of sedimentary facies.
引文
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[2]刘朝露,贾承造,夏斌,等.塔东地区盆山耦合与油气成藏模式研究[J].天然气地球科学,2005,16(5):552-558.
[3]赵德力,曾小阳,肖学,等.塔东北孔雀河地区油气成藏过程重建[J].成都理工大学学报:自然科学版,2006,33(3):256-261.
[4]张水昌,赵文智,王飞宇,等.塔里木盆地东部地区古生界原油裂解气成藏历史分析——以英南2气藏为例[J].天然气地球科学,2004,15(5):441-451.
[5]顾家裕,朱晓敏,贾进华.塔里木盆地沉积与储层[M].北京:石油工业出版社,2003:124-136.
[6]顾家裕.塔里木盆地沉积层序特征及其演化[M].北京:石油工业出版社,1996:10-51.
[7]高志前,王惠民,樊太亮,等.塔里木盆地寒武—奥陶系沉积相沉积体系及其组合序列[J].新疆石油天然气,2005,1(1):30-35.
[8]高志前,樊太亮,焦志峰,等.塔里木盆地寒武-奥陶系碳酸盐岩台地样式及其沉积响应特征[J].沉积学报,2006,24(1):19-27.
[9]焦志峰,吴华,李岩,等.塔里木盆地孔雀河地区寒武-奥陶系沉积相与沉积体系[J].新疆地质,2004,22(2):151-154.
[10]钟广法,刘学锋,邓常念,等.塔里木盆地塔东凸起西部中上奥陶统地震层序与海底扇沉积[J].地球科学:中国地质大学学报,2006,31(3):365-371.
[11]Wilson J L.Carbonate facies in eologic time[M].New York:Springer-Verlag,1975:471.
[12]关士聪,演怀玉,丘东洲,等.中国海陆变迁海域沉积相与油气(晚元古代-三叠纪)[M].北京:科学出版社,1984:272.
[13]Brian P Coffey,Fred J Read.High-resolution sequence stra-tigraphy in Terliary Carbonate-rich sections by thin-sectionedwell cuttings[J].AAPG Bulletin,2002,86(8):1407-1415.
[14]Jia C,Wei G.Structural characteristics and petroliferous fe-atures of Tarim Basin[J].Chinese Science Bulletin,2002,47:1-11.
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