地震相干技术在断层与沉积相解释中的应用
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摘要
地震相干技术主要应用在断层和沉积相的解释中,确定有利储层沉积相带,正确指导油田的勘探与开发工作。本文着重论述了地震相干技术在断层与沉积相解释中的应用,研究发现当存在断层、地层岩性突变和特殊地质体时,相干图将展现出不同的相干特征,准确识别出现的地质现象。
The seismic coherence technique was proposed for the first time in 1994 by M.Bahorich and S.Farmer from the Amoco Petroleum Company,USA and has been developed and improved in recent years in the interpretation of the variations in faults and sedimentary facies,and delineation of the sedimentary facies zones within favourable hydrocarbon reservoirs.The present paper deals with the application of the seismic coherence technique to the interpretation of faults and sedimentary facies in the Shengli Oil Field.The seismic coherence traces tend to vary in response to the variations in faults,stratigraphic and lithologic features.The study of these coherence traces will be helpful to the delineation of the planar distribution of faults and favourable hydrocarbon reservoirs,and thus significant in the exploration and development of oil and gas.
The seismic coherence technique was proposed for the first time in 1994 by M.Bahorich and S.Farmer from the Amoco Petroleum Company,USA and has been developed and improved in recent years in the interpretation of the variations in faults and sedimentary facies,and delineation of the sedimentary facies zones within favourable hydrocarbon reservoirs.The present paper deals with the application of the seismic coherence technique to the interpretation of faults and sedimentary facies in the Shengli Oil Field.The seismic coherence traces tend to vary in response to the variations in faults,stratigraphic and lithologic features.The study of these coherence traces will be helpful to the delineation of the planar distribution of faults and favourable hydrocarbon reservoirs,and thus significant in the exploration and development of oil and gas.
引文
[1]陆基孟,等.地震勘探原理及资料解释[M].北京:石油工业出版社,1985.
[2]Brown A R.用于3-D地震的一种相干方法[J].国外油气勘探,1998,10(3):355-356.
[3]佘德平,曹辉,郭全仕.应用三维相干技术进行精细地震解释[J].石油物探,2000,39(2):83-88.
[4]佘德平,曹辉,王咸彬.相干数据体及其在三维地震解释中的应用[J].石油物探,1998,37(4):75-79.
[5]侯伯刚,乌达巴拉,杨再岩,等.地震相干体技术简介及其应用[J].现代地质,1999,13(1):121-124.
[6]阎德庆,杨飞鹏,等.应用改进的相干算法提高三维地震资料解释精度[J].物探化探计算技术,2001,23(4):314-317.
[7]刘传虎.地震相干分析技术在裂缝油气藏预测中的应用[J].石油地球物理勘探,2001,36(2):238-244.
[8]邹才能,张颖,等.油气勘探开发实用地震新技术[M].北京:石油工业出版社,2002.
[2]Brown A R.用于3-D地震的一种相干方法[J].国外油气勘探,1998,10(3):355-356.
[3]佘德平,曹辉,郭全仕.应用三维相干技术进行精细地震解释[J].石油物探,2000,39(2):83-88.
[4]佘德平,曹辉,王咸彬.相干数据体及其在三维地震解释中的应用[J].石油物探,1998,37(4):75-79.
[5]侯伯刚,乌达巴拉,杨再岩,等.地震相干体技术简介及其应用[J].现代地质,1999,13(1):121-124.
[6]阎德庆,杨飞鹏,等.应用改进的相干算法提高三维地震资料解释精度[J].物探化探计算技术,2001,23(4):314-317.
[7]刘传虎.地震相干分析技术在裂缝油气藏预测中的应用[J].石油地球物理勘探,2001,36(2):238-244.
[8]邹才能,张颖,等.油气勘探开发实用地震新技术[M].北京:石油工业出版社,2002.
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