松辽盆地滨北地区扶余油层主河道预测及其油气意义
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摘要
针对滨北地区地震资料有限、主河道识别难度大的特点,建立了二维地震资料主河道识别的模式和方法,并辅以钻井岩电特征进行验证,联合三维频谱分解河道追踪的技术,完成了扶余油层主河道预测工作。滨北地区主河道特征具有继承性好、多物源、多分支的特征,河道以北部物源为主,兼发育西部和东北部物源,呈现汇聚和再放射网状特征。扶余油层河道砂油藏的形成主要受岩性变化带、河岸侧翼遮挡、断层截断遮挡和初泛泥岩垂向封堵等因素控制,主要发育3类油气藏。
For the limitation of seismic data and the difficulty in the identification of main channel in binbei area,the patterns and methods of two-dimensional seismic data in identifing the main channel is established.And supplemented by the electrical characteristics of drilling rock to validate,jionting channel tracking technology of the three-dimensional spectral decomposition.The prediction of Fuyu reservoir main channel is done.The binbei area has the characteristics of good inheriting,multi-material sources and multi-branch.the channal is mainly relying on northern material sources,and also developed western and northeastern material source,Showing mesh characteristics of aggregation and re-radiation.Fuyu reservoir's channel sand reservoir is mainly affected by the control of lithology variation belt,flanking occlusion of river bank,Fault truncated block and the vertical block of initial Pan-mudstone and other factors,mainly developed three types of oil and gas reservoirs.
For the limitation of seismic data and the difficulty in the identification of main channel in binbei area,the patterns and methods of two-dimensional seismic data in identifing the main channel is established.And supplemented by the electrical characteristics of drilling rock to validate,jionting channel tracking technology of the three-dimensional spectral decomposition.The prediction of Fuyu reservoir main channel is done.The binbei area has the characteristics of good inheriting,multi-material sources and multi-branch.the channal is mainly relying on northern material sources,and also developed western and northeastern material source,Showing mesh characteristics of aggregation and re-radiation.Fuyu reservoir's channel sand reservoir is mainly affected by the control of lithology variation belt,flanking occlusion of river bank,Fault truncated block and the vertical block of initial Pan-mudstone and other factors,mainly developed three types of oil and gas reservoirs.
引文
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[2]单敬福,王峰,孙海雷等.基于地震波阻抗反演的小层砂体预测技术——在大庆油田州57水平井区块的应用[J].石油与天然气地质,2010,31(2):212-218.
[3]李占东,赵伟,李阳等.开发地震反演可行性研究及应用——以大庆长垣北部油田为例[J].石油与天然气,2011,54(32):797-806.
[4]张鸣宁,松华.重构曲线在地震反演中的应用[J].断块油气田,2008,15(2):34-36.
[5]凌云,惠晓宇,孙德胜等.薄储层叠后反演影响因素分析与地震属性解释研究[J].石油物探,2008,47(6):531-558.
[6]吴媚,李维新,符力耘.基于测井曲线分频分析的地震反演[J].石油地球物理勘探,2007,42(增刊):65-71.
[7]李琼,贺振华.地震高分辨率非线性反演在薄互储层识别中的应用[J].成都理工大学学报(自然科学版),2004,31(6):708-712.
[8]刘铁立,侯高文.利用地震高分辨率非线性反演识别薄互储层[J].特种油气藏,2005,12(4):18-20.
[9]石万忠,何生,陈红汉.多地震属性联合反演在地层压力预测中的应用[J].石油物探,2006,45(6):580-585.
[10]慎国强,孟宪军,王玉梅等.随机地震反演方法及其在埕北35井区的应用[J].石油地球物理勘探,2004,39(1):75-81.
[11]郑四连.地震综合反演方法在准噶尔盆地YJ地区砂体预测中的应用[J].石油物探,2009,48(6):568-576.
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