东部凹陷西部斜坡区有利砂砾岩体储层预测
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摘要
优选自然伽马、速度、密度等测井响应特征曲线为目标砂砾岩体岩性和物性预测的敏感参数,将砂砾岩体从目标层位其他复杂岩性中区分开来,并预测有利的物性发育区。运用均方根振幅、能量半衰时间、弧长等地震属性分析结合波阻抗反演预测砂砾岩体的平面分布趋势和空间展布形态。针对储层纵向分辨率差的现状,尝试运用分频解释技术进行含油气砂体追踪。通过多学科、多技术手段综合应用,实现砂砾岩体有利储层发育区预测。
Characteristic geophysical logging response curves were optimized ,including the sensitive parameters of GR, VEL, DEN and RT-RXO for predicting lithology and property in the target areas, which separated the glutenite from the other complicated rocks, and predicted the favorable area with better reservoir physical properties. The areal distribution trend and spatial distribution of glutenite were predicted by using the seismic attributes such as root mean square amplitude, energy semi-decay period and arch length in combination with seismic impedance analysis. In view of the situation that the vertical resolution of the reservoir is poor, the frequency decomposition technology is tried to trace the oil and gas bearing sands. By comprehensive application of multi-disciplinary and multi-technology, the favorable glutenite reservoir is well predicted.
Characteristic geophysical logging response curves were optimized ,including the sensitive parameters of GR, VEL, DEN and RT-RXO for predicting lithology and property in the target areas, which separated the glutenite from the other complicated rocks, and predicted the favorable area with better reservoir physical properties. The areal distribution trend and spatial distribution of glutenite were predicted by using the seismic attributes such as root mean square amplitude, energy semi-decay period and arch length in combination with seismic impedance analysis. In view of the situation that the vertical resolution of the reservoir is poor, the frequency decomposition technology is tried to trace the oil and gas bearing sands. By comprehensive application of multi-disciplinary and multi-technology, the favorable glutenite reservoir is well predicted.
引文
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[3]鹿洪友,操应长,姜在兴.断陷湖盆沉积作用的基本方程及其应用[J].石油勘探与开发,2003,30(3):19~22.
[4]廖兴明,姚继峰.辽河盆地构造演化与油气[M].北京:石油工业出版社,1996.
[5]谢文彦.辽河探区油气勘探新进展与下步勘探方向[J].中国石油勘探,2005,10(4):1~4.
[6]贾承造,赵文智.岩性地层油气藏勘探研究的两项核心技术[J].石油勘探与开发,2004,31(3):3~9.
[7]蔡希源,李思田.陆相盆地高精度层序地层学技术方法篇[M].北京:地质出版社,2003.
[8]希尔契D W.现代测井解释[M].王曰才译.北京:石油工业出版社,1989.
[9]雍世和,张超谟.测井数据处理与解释[M].东营:石油大学出版社,1996.
[10]斯仑贝谢公司.测井解释原理与应用[M].李舟波译.北京:石油工业出版社,1991.
[11]渥.伊尔马滋.地震资料分析[M].刘怀山译.北京:石油工业出版社,2006.
[12]赵政璋,赵贤正.储层地震预测理论与实践[M].北京:科学出版社,2005.
[13]朱广生.地震资料储层预测方法[M].北京:石油工业出版社,1995.
[14]姚逢昌,甘利灯.地震反演的应用与限制[J].石油勘探与开发,2000,27(2):53~56.
[15]薛大力.地震分频解释技术在沈143井区储层预测中的应用[J].大庆石油地质与开发,2007,26(3):128~130.
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