STRATA反演技术及其在YK地区解释砂体的应用
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摘要
地震波阻抗反演技术是国内、外油气储层预测的关键技术之一。针对YK三维工区目的层砂体薄、横向变化快的特点,运用STRATA反演技术对其进行砂体预测。这里论述了STRA-TA反演的基本原理,实现流程,关键环节,以及在实际工区的运用。通过对反演结果的分析,明确了砂体的空间分布范围以及砂体的厚度,并做出了砂体视厚度平面分布图,对进一步勘探开发提供了明确的目标。
Seismic impedance inversion technique is one of the key technologies to predict oil and gas reservoir in China and abroad.The paper applies strata inversion technique to predict the sand body aimed at the zone of interesting prospective in the YK 3D survey,which is characterized by thin sand body as well as the quickly lateral alternation.The author discusses the basic principle,realization of process,the key issues of strata inversion and the application in this survey.Through the analysis of inversion results,we can clarify the spatial distribution extent and thickness of the sand body,then make the distribution map of sand apparent thickness,which provides clear targets for further exploration and development.
Seismic impedance inversion technique is one of the key technologies to predict oil and gas reservoir in China and abroad.The paper applies strata inversion technique to predict the sand body aimed at the zone of interesting prospective in the YK 3D survey,which is characterized by thin sand body as well as the quickly lateral alternation.The author discusses the basic principle,realization of process,the key issues of strata inversion and the application in this survey.Through the analysis of inversion results,we can clarify the spatial distribution extent and thickness of the sand body,then make the distribution map of sand apparent thickness,which provides clear targets for further exploration and development.
引文
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[2]张继武.应用Strata软件进行波阻抗反演的几点认识[J].新疆石油地质,1999,20(1):26.
[3]谭荣彪,李瑞,李珂泂,等.井～震约束反演在薄互层复杂构造地区的应用[J].物探化探计算技术,2008,30(1):53.
[4]许崇宝.测井约束地震反演分辨率及反演策略探讨[J].中国煤炭地质,2010,22(8):39.
[5]蔡刚,黄玉,姚清洲,等.储层地震反演方法及其在Q三维工区的应用[J].天然气地球科学,2009,20(6):972.
[6]耿会聚,谢庆宾,管守锐.Strata反演技术在柳屯洼陷沙三2-3亚段储层描述中的应用[J].物探与化探,2002,26(2):118.
[7]许辉群,桂志先.利用测井约束地震反演预测砂体展布[J].天然气地球学,2006,17(4):547.
[8]李国栋,马玉歌,孙金磊,等.测井约束地震反演在街202块储层预测中的应用[J].勘探地球物理进展,2009,32(4):291.
[9]杜锦霞,黄哲.测井约束反演及在JD地区的应用[J].断块油气田,2009,16(5):126.
[10]ARTUNFE.Reservoir characterization using intelligentseismic inversion[D].Morgantown:West Virginia Uni-versity,college of Engineering and Mineral Resource,2005.
[11]REBECCA BUXTON LATIMER.An interpreter's guideto understanding and working with seismic-derived a-coustic impedance data[J].The Leading Edge,March,2000,19(3):242.
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