塔河油田泥盆系东河塘组地震相研究
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摘要
用波形建立地震相就是利用神经网络技术把地震信号的总体变化定量地刻画出来,即对波形进行分类。利用该技术对研究区的地震道波形变化特征及其反映的地质特征进行识别和分类,并作出了地震相的平面展布图。综合利用研究区目的层的各种资料,识别出滨海沉积体系,并详细研究了每种沉积亚相的岩性特征、沉积构造和垂向序列。在此基础上,结合研究区的实际情况,建立了该区地震相向沉积相的转换关系,作出了沉积相平面展布图。
The utilization of waveform to create seismic facies is to use the neural network technique to quantitatively describe the general variation of seismic signal or,more simply,to arrange the waveform into categories.The authors used the technique to carry out recognition and classification of various waveform features of seismic traces so as to reflect geological features of the study area.The map illustrating the seismic facies of the area was also drawn.According to available data from the area,the littoral deposition system was identified,in which each lithologic feature,sedimentary structure and vertical sequence were analyzed in detail.Furthermore,the seismic facies was transferred into the sedimentary facies according to the real conditions of the area.The planar distribution of the sedimentary facies of Devonian is described based on a comprehensive interpretation of Tahe area.
The utilization of waveform to create seismic facies is to use the neural network technique to quantitatively describe the general variation of seismic signal or,more simply,to arrange the waveform into categories.The authors used the technique to carry out recognition and classification of various waveform features of seismic traces so as to reflect geological features of the study area.The map illustrating the seismic facies of the area was also drawn.According to available data from the area,the littoral deposition system was identified,in which each lithologic feature,sedimentary structure and vertical sequence were analyzed in detail.Furthermore,the seismic facies was transferred into the sedimentary facies according to the real conditions of the area.The planar distribution of the sedimentary facies of Devonian is described based on a comprehensive interpretation of Tahe area.
引文
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[3]王世瑞,彭苏萍,凌云,等.利用地震属性研究准噶尔盆地西北缘拐19井区下侏罗统三工河组沉积相[J].古地理学报,2005,7(2):169.
[4]付金华,郭正权,邓秀芹.鄂尔多斯盆地西南地区上三叠统延长组沉积相及石油地质意义[J].古地理学报,2005,7(1):34.
[5]朱水桥,肖春林,饶政,等.新疆克拉玛依油田八区上二叠统下乌尔禾组河控型扇三角洲沉积[J].古地理学报,2005,7(4):471.
[6]尹兵祥,王尚旭,杨国权,等.渤海湾盆地东营-惠民凹陷古近系孔店组孔二段地震相与沉积相[J].古地理学报,2004,6(1):49.
[7]周小进,刘毅.地震相分析在塔河地区三叠系储层预测中的应用[J].石油实验地质,2001,23(4):465.
[8]刘洪林,胡建,王金山,等.GA+BP神经网络在薄互层储层预测中的应用[J].物探与化探,2004,(5):460.
[9]刘震.陆相储层地震地层学[M].北京:地质出版社,1997.
[10]顾家裕等著.沉积相与油气[M].北京:石油工业出版社,1994.
[11]冯增昭.沉积岩石学(上、下册)[M].北京:石油工业出版社,1993.
[12]陆基孟.地震勘探原理及资料解释[M].北京:石油工业出版社,1991.
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