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1. (WO2018125095) SEGMENTATION OF TIME-FREQUENCY SIGNATURES FOR AUTOMATED PIPE DEFECT DISCRIMINATION

Pub. No.:    WO/2018/125095    International Application No.:    PCT/US2016/068952
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Thu Dec 29 00:59:59 CET 2016
IPC: E21B 47/00
E21B 47/04
E21B 44/00
G01V 3/26
G01V 3/34
Applicants: HALLIBURTON ENERGY SERVICES, INC.
Inventors: CHANG, Paul, Chin, Ling
DONDERICI, Burkay
Title: SEGMENTATION OF TIME-FREQUENCY SIGNATURES FOR AUTOMATED PIPE DEFECT DISCRIMINATION
Abstract:
A method for taking measurements in a wellbore including lowering a downhole logging tool in the wellbore; obtaining, via the logging tool, a plurality measurements of a downhole element; processing the plurality of measurements to obtain a plurality of processed measurements; calculating a contour model based on the plurality of processed measurements; and determining a parameter of the downhole element based on the contour model.