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Energy Dissipation of P- and S-Waves in Fluid-Saturated Rocks: An Overview Focusing on Hydraulically Connected Fractures
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作者 J.Germán Rubino Beatriz Quintal +4 位作者 Tobias M.Müller Luis Guarracino Ralf J?nicke Holger Steeb Klaus Holliger 《地球科学学刊:英文版》 SCIE CAS CSCD 2015年第6期785-790,共6页
折断的岩石的一个重要特征是他们的高地震的变细,它到目前为止主要被归因于在破裂和嵌入的矩阵之间的导致波浪的液体流动(WIFF ) 。然而,最近,地震变细上的破裂连接的影响仅仅被调查了。数字压缩的可能性并且砍测试基于 Biots 伪静... 折断的岩石的一个重要特征是他们的高地震的变细,它到目前为止主要被归因于在破裂和嵌入的矩阵之间的导致波浪的液体流动(WIFF ) 。然而,最近,地震变细上的破裂连接的影响仅仅被调查了。数字压缩的可能性并且砍测试基于 Biots 伪静电干扰 poro 橡皮方程说明那 WIFF 的重要表明面对破裂连接产生。相应精力损失,能为 P-waves, 和 S 波浪重要,主要由于在连接破裂以内的液体流动并且对渗透以及长度和破裂的交叉角度敏感。相应地,这现象在管理上包含珍贵信息水力的性质折断了岩石并且应该因此被说明为每当如此的媒介的现实主义的地震模型被需要时。 展开更多
关键词 流体流动 骨折 能量耗散 饱和岩石 连接 S波 液压 P波
A model for strong attenuation and dispersion of seismic P-waves in a partially saturated fractured reservoir 被引量:1
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作者 BRAJANOVSKI Miroslav MüLLER Tobias M PARRA Jorge O 《中国科学:物理学、力学、天文学英文版》 SCIE EI CAS 2010年第8期1383-1387,共5页
In this work we interpret the data showing unusually strong velocity dispersion of P-waves (up to 30%) and attenuation in a relatively narrow frequency range. The cross-hole and VSP data were measured in a reservoir,... In this work we interpret the data showing unusually strong velocity dispersion of P-waves (up to 30%) and attenuation in a relatively narrow frequency range. The cross-hole and VSP data were measured in a reservoir, which is in the porous zone of the Silurian Kankakee Limestone Formation formed by vertical fractures within a porous matrix saturated by oil, and gas patches. Such a medium exhibits significant attenuation due to wave-induced fluid flow across the interfaces between different types of inclusions (fractures, fluid patches) and background. Other models of intrinsic attenuation (in particular squirt flow models) cannot explain the amount of observed dispersion when using realistic rock properties. In order to interpret data in a satisfactory way we develop a superposition model for fractured porous rocks accounting also for the patchy saturation effect. 展开更多
关键词 ATTENUATION DISPERSION Biot’s SLOW wave poroelasticity FRACTURES patchy-saturation
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