地层物性变化对地震属性的影响
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摘要
采用RSI岩石建模软件模拟了岩石的矿物组分、孔隙度、所含流体性质以及饱和度等与岩石的纵横波速度、各种弹性模量之间的关系.测试了岩石物性与地震属性之间的关系.测试结果表明,不同的地层物性因素对岩石物理参数的影响不同,导致对地震属性的影响也不同.提出了一套能反映地层岩性变化、孔隙度变化及流体性质的地震属性提取方法,应用该方法预测了XS1工区的含油气状况,结果证明了该方法的有效性.
Relations between rock mineral components, porosity, permeability, properties and saturation of formation fluid contained in rock with p- and s- wave velocity of seismic wave, elastic modulus are simulated using RSI. The results of simulation show that different physical factors of formation have different influences on rock physical parameters, and therefore have different effects on seismic attributes. A new method for seismic attributes extraction is put forward and used to predict the condition of oil and gas in XS1 area in the paper, and has been proved to be a valid way.
引文
[1]王志章,石占中.现代油藏描述技术[M].北京:石油工业出版社,1998.12-16.
    [2]边肇祺.模式识别[M].北京:清华大学出版社,1987.30-36.
    [3]李来林.一种预测储层含油饱和度的新方法[J].大庆石油地质与开发,2002,43(3):72-73.

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