地球物理技术在河道砂体描述中的应用——以济阳坳陷埕东凸起北坡馆陶组为例
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摘要
埕东凸起北坡是济阳坳陷河道砂体油气勘探的主阵地之一。以该区馆陶组为研究对象,对在精细构造解释、河道砂体描述和含油气判识3个方面应用比较成功的相干体分析、水平切片分析、三维可视化分析、地震与测井联合反演、地震属性分析、瞬时频率以及振幅值统计等地球物理技术进行了系统总结,同时对埕东凸起北坡河道砂体进行了分类评价,共描述砂体104个,预测Ⅰ类砂体56个,Ⅱ类砂体24个。探讨了埕东凸起北坡馆陶组河道砂体描述中应用地球物理技术应注意的问题。
Northern slope of Chengdong Uplift is one of the main positions of channel sandbodies in Jiangyang petroleum exploration. The successful techniques used fined structural interpretation, channel sandbody description and hydrocarbon recognition in Guantao Formation exploration such as coherent data,horizontal slice,3D visualization,joint inversion of seismic and well log,seismic attribute, instantaneous frequency and amplitude statistic, were analyzed systematically. And the channel sandbodies in northern slope of Chengdong Uplift were classified and evaluated with these techniques. One hundred and four sandbodies were described, and fifty-six type I and twenty-four type Ⅱ sandbodies were predicted. And the key points that should be noticed while using geophysical techniques in channel sandbodies description were discussed.
Northern slope of Chengdong Uplift is one of the main positions of channel sandbodies in Jiangyang petroleum exploration. The successful techniques used fined structural interpretation, channel sandbody description and hydrocarbon recognition in Guantao Formation exploration such as coherent data,horizontal slice,3D visualization,joint inversion of seismic and well log,seismic attribute, instantaneous frequency and amplitude statistic, were analyzed systematically. And the channel sandbodies in northern slope of Chengdong Uplift were classified and evaluated with these techniques. One hundred and four sandbodies were described, and fifty-six type I and twenty-four type Ⅱ sandbodies were predicted. And the key points that should be noticed while using geophysical techniques in channel sandbodies description were discussed.
引文
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[2]张善文,王永诗,石砥石,等.网毯式油气成藏体系———以济阳坳陷新近系为例[J].石油勘探与开发,2003,30(1):1-10.
[3]杨晓敏,鲜本忠,束青林,等.孤岛油田西南缘馆陶组油气成藏模式[J].油气地质与采收率,2006,13(6):26-29.
[4]束青林.河道砂侧积体对剩余油分布的影响———以孤岛油田馆上段3~4砂组高弯度曲流河为例[J].油气地质与采收率,2005,12(3):45-48.
[5]隋淑玲.河流相储层三维流动单元模型建立———以孤东油田七区馆上段为例[J].油气地质与采收率,2005,12(3):12-14.
[6]陈敬义,段小兰,王传忠.飞雁滩油田馆陶组河流相砂体勘探技术研究[C]//李干生.胜利油田勘探技术论文集.北京:石油工业出版社,2003:60-64.
[7]朱家俊,王永诗,石砥石,等.胜利油田沾车地区馆陶组地层速度特征[J].石油大学学报:自然科学版,2003,27(3):34-36.
[8]毕俊凤,刘书会,陈学国,等.分频解释技术在桩106地区馆上段河道砂体描述中的应用[J].油气地质与采收率,2003,10(5):38-40.
[9]孙家振,李兰斌.多信息储层预测和油气判识[M].武汉:中国地质大学出版社,1997:84-95.
[10]Chen Q,Sideney S W.Seismic attribute technology for reservoir forecasting and monitoring[J].The Leading Edge,1997,16(5):445-456.
[11]Marfurr K J,Kirlin R L.3-D seismic attributes using a semblance-based coherency algorithm[J].Geophysics,1998,63(3):1024-1035.
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