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Enhanced measurement of azimuthal dependence of subterranean parameters with filters and/or discretely sampled data
Enhanced measurement of azimuthal dependence of subterranean parameters with filters and/or discretely sampled data
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机译:利用滤波器和/或离散采样数据增强对地下参数的方位角依赖性的测量
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摘要
A method for estimating an azimuthal dependence of a parameter of a borehole using logging sensor measurements acquired as a function of azimuth of the logging sensors is provided. The method includes acquiring at least one logging sensor measurement and a corresponding azimuth from a downhole tool. The method further includes processing a convolution of the logging sensor measurement and corresponding azimuth with a predetermined filter to determine convolved logging sensor data for at least one azimuthal position. Certain embodiments of this invention may be advantageously utilized in LWD imaging applications to provide for superior image resolution and noise rejection as compared to prior art imaging techniques.
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