陆相“红层”等时地层对比新方法在东营凹陷南斜坡的应用
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摘要
"红层"地层缺乏古生物,俗称"哑地层",地层地质年代研究难度大,缺乏稳定的岩电标志,等时对比缺乏有效的方法手段。利用古生物、录井、测井及地震等资料对"红层"的地层特征、层序地层对比理论和对比方法进行研究。结果表明:"红层"缺乏明显的低水位体系域沉积,湖平面主要受季节性洪水控制,地层明显呈现出二分性的特征;将Vail与Cross两套层序地层学理论体系有机结合,可以有效地解决"红层"地层划分难的问题;通过"宏观界面约束-内部精细旋回划分-多因素综合"的地层对比方法流程可以很好地建立研究区的层序地层格架。
The red beds are commonly known as "the barren stratum" because of lacking paleontological fossils.For the difficulty in the strata geologic age research and the shortage of stable rock electric signs,there are many difficulties in the isochronous correlation research.Based on palaeontology,logging,well logging and seismic,the strata feature,correlation theory of sequence stratigraphy and correlation method of the red beds were studied.The results show that the red beds take on the dichotomy clearly because of the lack of low stand systems tract sediment and the lake level is controlled by seasonal flood.The difficulty of stratigraphic division for the red beds could be solved effectively through dynamic integration of the theory of sequence stratigraphy of "Vail+Cross".A fine stratigraphic framework suitable for the study area can be established by the method of stratigraphy analysis,which is "macro-interface constraint,internal-fine cycle division,controlled by multi-factor method".
The red beds are commonly known as "the barren stratum" because of lacking paleontological fossils.For the difficulty in the strata geologic age research and the shortage of stable rock electric signs,there are many difficulties in the isochronous correlation research.Based on palaeontology,logging,well logging and seismic,the strata feature,correlation theory of sequence stratigraphy and correlation method of the red beds were studied.The results show that the red beds take on the dichotomy clearly because of the lack of low stand systems tract sediment and the lake level is controlled by seasonal flood.The difficulty of stratigraphic division for the red beds could be solved effectively through dynamic integration of the theory of sequence stratigraphy of "Vail+Cross".A fine stratigraphic framework suitable for the study area can be established by the method of stratigraphy analysis,which is "macro-interface constraint,internal-fine cycle division,controlled by multi-factor method".
引文
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[12]郑希民,郭彦如,刘化清,等.应用自然伽玛测井曲线小波分析划分陆相坳陷盆地三级层序的方法:以鄂尔多斯盆地延长组为例[J].天然气地球科学,2006,17(5):672-676.ZHENG Xi-min,GUO Yan-ru,LIU Hua-qing,et al.The method of division third—degree succession of strataby gamma ray logging wavelet analysis in stationary con-tinental facies depression basin:taking Yanchang forma-tion of Ordos Basin as an example[J].Natural Gas Geo-science,2006,17(5):672-676.
[13]赵伟,邱隆伟,姜在兴,等.小波分析在高精度层序单元划分中的应用[J].中国石油大学学报:自然科学版,2009,33(2):18-21.ZHAO Wei,QIU Long-wei,JIANG Zai-xing,et al.Ap-plication of wavelet analysis in high-resolution sequenceunit division[J].Journal of China University of Petrole-um(Edition of Nationral Science),2009,33(2):18-21.
[14]杨勇强,邱隆伟,陈世悦,等.基于小波能量谱及小波曲线的层序地层划分[J].石油地球物理勘探,2011,46(5):783-789.YANG Yong-qiang,QIU Long-wei,CHEN Shi-yue,etal.The division of sequence stratigraphy base on wave-let energy spectrum and wavelet curve[J].Oil Geophys-ical prospecting,2011,46(5):783-789.
[15]操应长,姜在兴,夏斌,等.声波时差测井资料识别层序地层单元界面的方法、原理及实例[J].沉积学报,2003,21(2):318-321.CAO Ying-chang,JIANG Zai-xing,XIA Bin,et al.Method,principle and example of identifying sequencestratigraphical boundary using sonic logging[J].Actasedimentologica sinica,2003,21(2):318-321.
[2]杨伟利,陈义宝.八面河地区孔店组河流-冲积相层序地层学研究[J].西安石油大学学报:自然科学版,2008,23(4):26-29.YANG Wei-li,CHEN Yi-bao.Study on the sequencestratigraphy of the fluvial-alluvial facies of Kongdian for-mation in Bamianhe area,Dongying sag[J].Journal ofXi'an Shiyou University(Natural Science Edition),2008,23(4):26-29.
[3]张守鹏,刘成东,贺振建,等.东营凹陷深部“红层”地层划分方法探讨[J].地学前缘,2003,10(2):465-469.ZHANG Shou-peng,LIU Cheng-dong,HE Zhen-jian,etal.Stratigraphic division of redbeds in deep Dongying de-pression,east China[J].Earth Science Frontiers,2003,10(2):465-469.
[4]邓宏文,王红亮,李熙喆.层序地层基准面的识别、对比技术及应用[J].石油与天然气地质,1996,17(3):177-184.DENG Hong-wen,WANG Hong-liang,LI Xi-zhe.Identi-fication and correlation techniques of sequence strati-graphic base-bevels and their application[J].Oil&GasGeology,1996,17(3):177-184.
[5]王红亮.“转换面”的概念及其层序地层学意义[J].地学前缘,2008,15(2):35-42.WANG Hong-liang.Concept of"Turnaround Surface"and its significance to sequence stratigraphy[J].EarthScience Frontiers,2008,15(2):35-42.
[6]郑荣才,彭军,吴朝容.陆相盆地基准面旋回的级次划分和研究意义[J].沉积学报,2001,19(2):249-255.ZHENG Rong-cai,PENG Jun,WU Chao-rong.Grade di-vision of base-level cycles of terrigenous basin and its im-plications[J].Acta Sedimentologica Sinica,2001,19(2):249-255.
[7]熊伟,邱桂强,闵伟,等.断陷湖盆基准面变化模式探讨[J].石油与天然气地质,2008,26(3):412-417.XIONG Wei,QIU Gui-qiang,MIN Wei,et al.Discus-sion on the changing patterns of base levels in faulted la-custrine basins[J].Oil&Gas geology,2008,26(3):412-417.
[8]邱桂强.陆相断陷盆地高精度层序地层研究现状与思路[J].油气地质与采收率.2005,12(3):1-8.QIU Gui-qiang.Current research situation and thinkingon high accuracy sequence stratigraphy in the terrestrialrift basin[J].Petroleum Geology and Recovery Efficien-cy,2005,12(3):1-8.
[9]宋来明,彭仕宓,徐强,等.陆相等时地层格架建立方法新探:以冀东高尚堡深层Es32+3油藏为例[J].地质学报,2007,81(5):712-718.SONG Lai-ming,PENG Shi-mi,XU Qiang,et al.Newdiscussion on isochronous framework of Lacustrine forma-tion:an example from reservoir Es32+3of the GaoshangpuOil Field in eastern Hebei[J].Acta Geologica Sinic,2007,81(5):712-718.
[10]杨勇强,邱隆伟,南金浩.东营凹陷沙河街组四段下亚段层序地层特征与沉积模式[J].中国地质,2011,38(1):33-42.YANG Yong-qiang,QIU Long-wei,NAN Jin-hao.Se-quence stratigraphy characteristics and sedimentary mod-el of lower Es4 in the south slope of Dongying depression[J].Geology in China,2011,38(1):33-42.
[11]陈波,张昌民,韩定坤,等,干旱气候条件下陆相高分辨层序地层特征研究:以江汉盆地西南缘晚白垩世渔洋组为例[J].沉积学报,2007,25(1):21-26.CHEN Bo,ZHANG Chang-min,HAN Ding-kun,et al.Characteistics of lacustrine high resolution sequence stra-tigraphy under arid climate:a case study of Yuyang for-mation(late Cretaceous)in southwest of Jianghan Basin[J].Acta Sedimentologica Sinica,2007,25(1):21-26.
[12]郑希民,郭彦如,刘化清,等.应用自然伽玛测井曲线小波分析划分陆相坳陷盆地三级层序的方法:以鄂尔多斯盆地延长组为例[J].天然气地球科学,2006,17(5):672-676.ZHENG Xi-min,GUO Yan-ru,LIU Hua-qing,et al.The method of division third—degree succession of strataby gamma ray logging wavelet analysis in stationary con-tinental facies depression basin:taking Yanchang forma-tion of Ordos Basin as an example[J].Natural Gas Geo-science,2006,17(5):672-676.
[13]赵伟,邱隆伟,姜在兴,等.小波分析在高精度层序单元划分中的应用[J].中国石油大学学报:自然科学版,2009,33(2):18-21.ZHAO Wei,QIU Long-wei,JIANG Zai-xing,et al.Ap-plication of wavelet analysis in high-resolution sequenceunit division[J].Journal of China University of Petrole-um(Edition of Nationral Science),2009,33(2):18-21.
[14]杨勇强,邱隆伟,陈世悦,等.基于小波能量谱及小波曲线的层序地层划分[J].石油地球物理勘探,2011,46(5):783-789.YANG Yong-qiang,QIU Long-wei,CHEN Shi-yue,etal.The division of sequence stratigraphy base on wave-let energy spectrum and wavelet curve[J].Oil Geophys-ical prospecting,2011,46(5):783-789.
[15]操应长,姜在兴,夏斌,等.声波时差测井资料识别层序地层单元界面的方法、原理及实例[J].沉积学报,2003,21(2):318-321.CAO Ying-chang,JIANG Zai-xing,XIA Bin,et al.Method,principle and example of identifying sequencestratigraphical boundary using sonic logging[J].Actasedimentologica sinica,2003,21(2):318-321.
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