稀疏脉冲波阻抗反演技术在储层预测中的应用
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摘要
针对阿尔及利亚某目标区地震资料分辨率低的特点,以砂体的波阻抗数据值为基础,利用稀疏脉冲波阻抗反演技术从砂体的厚度水平分布、砂层的纵横向特征及有利砂体水平分布3个方面对砂体进行精细刻画。结果表明,稀疏脉冲波阻抗反演的砂体精细刻画在地震资料质量欠佳的沙漠地区能较真实地反映地下储层特征,为储层预测提供了强有力的指导依据。
To counter the characteristics that the resolution of the seismic data is low in the target area in Algeria, the sand bodies were described finely by the sparse spike wave impedance inversion with respects of the horizontal distribution of the thickness of the sand body, the horizontal and vertical characteristics of the sand layer and the horizontal distribution of the beneficial sand bodies based on the wave impedance data values of the sand body. The result showed that the sand body description described finely by the sparse spike wave impedance inversion could reflect more truly the reservoir characteristics in desert area, and provide powerful guidance for reservoir prediction.
To counter the characteristics that the resolution of the seismic data is low in the target area in Algeria, the sand bodies were described finely by the sparse spike wave impedance inversion with respects of the horizontal distribution of the thickness of the sand body, the horizontal and vertical characteristics of the sand layer and the horizontal distribution of the beneficial sand bodies based on the wave impedance data values of the sand body. The result showed that the sand body description described finely by the sparse spike wave impedance inversion could reflect more truly the reservoir characteristics in desert area, and provide powerful guidance for reservoir prediction.
引文
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[12]安鸿伟,李正文,李仁甫等.稀疏脉冲波阻抗反演XY油田开发中的应用.石油物探,2002,41(1):56~60
[2]Huuse M,Feary D A.Seismic inversion for acoustic impedance and porosity of Cenozoic coolwater carbonates on the upper conti-nental slope of the Great Australian Bight.Marine Geology,2005,215(3/4):123~134
[3]王西文,石兰亭,雍学善等.地震波阻抗反演方法研究岩.岩性油气藏,2007,19(3):80~88
[4]李正文,赵志超.地震勘探资料解释.北京:地质出版社,1988:1~100
[5]沈林克.塔里木盆地北部地震地层解释与油气检测.湖北武汉:中国地质大学出版社,1993:35~80
[6]兰素清,陆明华.多种地球物理方法组合在储层预测中的应用.勘探地球物理进展,2002,25(6):43~46
[7]白彦彬,杨长春,井西利等.地质规律约束下的波阻抗反演[J].石油物探,2002,41(1):61~64
[8]欧阳健.石油测井解释与储层描述.北京:石油上业出版社,1994:276~278
[9]李庆忠.论地震约束反演的策略.石油地球物理勘探,1988,33(4):423~438
[10]Pebecca B L,Rick D.An interpreter’s guide to un-derstanding and working with seismic-derived a-coustic impedance data.The leading edge,2000,56(3):246~255
[11]郭朝斌,杨小波,陈红岳等.约束稀疏脉冲反演在储层预测中的应用.石油物探,2006,45(4):397~400
[12]安鸿伟,李正文,李仁甫等.稀疏脉冲波阻抗反演XY油田开发中的应用.石油物探,2002,41(1):56~60
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