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Deconvolution-Based Enhancement of Apparent Resistivity and Bed Boundary Identification in Borehole Resistivity Imaging

机译:基于反卷积的视电阻率增强和井眼电阻率成像中的边界层识别

摘要

A method and system for locating one or more bed boundaries. A method for locating one or more bed boundaries may include disposing a downhole tool into a wellbore, measuring wellbore wall resistivity with the downhole tool, extracting a vertical voltage measurement, deconvolving the vertical voltage measurement with an impulse response an apparent resistivity, and calculating a derivative of the apparent resistivity and finding one or more peaks of the derivative to determine the locations of the one or more bed boundaries. A well measurement system for locating one or more bed boundaries may include a downhole tool. The downhole tool may include a pad, an arm, a receiver disposed on the pad, and a transmitter disposed on the pad. The well measurement system may further comprise a conveyance and an information handling system
机译:一种用于定位一个或多个床边界的方法和系统。一种确定一个或多个床层边界的方法可以包括将井下工具放置到井眼中,使用井下工具测量井眼壁电阻率,提取垂直电压测量值,将垂直电压测量值与脉冲响应的表观电阻率解卷积,以及计算表观电阻率的导数,并找到该导数的一个或多个峰值以确定一个或多个床边界的位置。用于定位一个或多个层边界的井测量系统可以包括井下工具。井下工具可包括垫,臂,设置在垫上的接收器以及设置在垫上的发射器。测井系统可以进一步包括运输工具和信息处理系统

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