Invention Grant
US08965701B2 System and method for automatic detection and analysis of borehole breakouts from images and the automatic generation of alerts 有权
用于自动检测和分析图像钻孔突破和自动生成警报的系统和方法

System and method for automatic detection and analysis of borehole breakouts from images and the automatic generation of alerts
Abstract:
Disclosed is a method for detecting a pair of opposing breakouts in a borehole penetrating an earth formation. The method includes: conveying a downhole tool configured to perform measurements of a property of the earth formation; producing an image of the earth formation from the measurements, the image comprising a plurality of sectors; dividing the sectors into radial segments, each segment corresponding to an opposite segment; rotating the segments at least one sector at a time until a specified angle is achieved; calculating an average value for the measurements associated with each segment for each rotation of the segments; stacking the average values for opposing segments to produce stack values; determining a maximum or minimum stack value; determining if the maximum or minimum stack value exceeds a threshold value; and detecting the first breakout and the second breakout if the maximum or minimum stack value exceeds the threshold value.
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