Methods of and apparatuses for identifying geological characteristics in boreholes
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United States of America Patent
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Feb 21, 2017
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Oct 2, 2015
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Mar 11, 2013
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Abstract
A method of detecting an edge of a geological characteristic in a borehole comprises, in respect of an image log of a length of a borehole, carrying out the steps of a gradient-based edge detection method, a phase congruence-based edge detection method or a combination of such methods as preliminary, pre-processing stages. Subsequent steps of the method may include operating a relatively computationally simple process to identify sinusoids among detected edge features; and a relatively computationally complex process for parameterizing the thus-identified sinusoids.
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