The paper mainly introduces the process of estimating the reservoir permeability using the frecquency offset and time lag of Stoneley wave.
本文主要介绍利用斯通利波的频率偏移和时间延迟判断储层渗透性。
When mud cake is thick, formation permeability and shear wave slowness evaluated from the attenuation of the amplitude of Stoneley wave are wrong.
当泥饼层较厚时,用斯通利波幅度衰减估算的地层渗透率及提取的横波时差是错误的结果。
In this method, Stoneley wave attenuation from AC log is divided into two parts: attenuation through porous media and percolation attenuation through pore-fluid.
该方法把由声波测井数据得到的斯通·利波衰减分为介质内衰减和孔隙流体渗流衰减两部分。
Only when phase slowness is extracted from the Stoneley wave and the flexural wave, can the parameters of formation be obtained exactly, such as permeability and shear slowness.
只有从频散的斯通利波和弯曲波中提取出相慢度,才有可能进一步求准地层渗透率和横波慢度等参数。
By comparison with other logging data, the amplitude of Stoneley wave and the ratio of Stoneley wave amplitude to compressional wave amplitude are related to formation permeability.
将它们与其它测井资料对比,发现斯通·利波的幅度及其与纵波幅度的比值与地层的渗透性有关。
In this paper, developed are a method and correspondent software for calculating formation permeability from the center frequency shift and travel time delay in direct Stoneley wave.
利用多极子阵列声波测井资料提取直达斯通利波、计算斯通利波中心频率偏移和时间延迟来进行地层渗透率反演的方法已被研究了多年。
The results show that the dispersive wave excited by these two acoustic sources have strong contrast, which are Stoneley wave for monopole and flexural wave for dipole in the lowest mode.
结果表明,这两种声源激发的频散波具有很强的可对比性,它们的最低模式在单极声源激发时是斯通利波,在偶极声源激发时是弯曲波;
Introduced are principle and method of applying Stoneley wave and the anisotropy of shear wave picked from the dipole shear wave image logging to evaluate the fracture effectivity of igneous rock.
介绍了利用从偶极声波成像测井资料中提取的斯通·利波和横波各向异性,对火成岩裂缝的有效性进行评价的原理和方法。
Introduced are principle and method of applying Stoneley wave and the anisotropy of shear wave picked from the dipole shear wave image logging to evaluate the fracture effectivity of igneous rock.
介绍了利用从偶极声波成像测井资料中提取的斯通·利波和横波各向异性,对火成岩裂缝的有效性进行评价的原理和方法。
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