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如今三线地震储层横向预测已成为油气勘探开发和提高油气采收率的有效手段。文中联合应用地震波的主振幅、主频率进行储层砂体横向定量预测;利用拟合函数计算了工区内的砂岩厚度;利用波动方程反演地下介质的波阻抗,求出工区的相对波阻抗平面图;并用吸收系数反演模块对五条联井线作了吸收系数反演。解释结果取得了满意的效果和较大的经济效益。
Horizontal prediction of three-line seismic reservoirs nowadays has become an effective means of oil and gas exploration and development and enhanced oil and gas recovery. In this paper, the main amplitude and main frequency of seismic waves are jointly used to predict the lateral quantitative of reservoir sand body. The thickness of sandstone in the working area is calculated by fitting function. The wave impedance is used to invert the wave impedance of underground medium, The coefficient of absorption coefficient inversion of five well lines was used to inverse the coefficient of absorption coefficient. The results of the interpretation have achieved satisfactory results and great economic benefits.