SYSTEM AND METHOD FOR DIAGNOSING BOREHOLE STRUCTURE VARIANCES USING INDEPENDENT COMPONENT ANALYSIS

SYSTEM AND METHOD FOR DIAGNOSING BOREHOLE STRUCTURE VARIANCES USING INDEPENDENT COMPONENT ANALYSIS

A method and system to be used in well inspection. An acoustic signal is transmitted from a well inspection tool into a well structure and one or more return signals is detected using at least one receiver. At least one processor is used to generate variable density log (VDL) data that includes mult...

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Hauptverfasser: MENDEZ, Freddy, RAMIREZ, Marc, Li, Baoyan, YOGESWAREN, Elan
Format: Patent
Sprache:eng
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EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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creator MENDEZ, Freddy
RAMIREZ, Marc
Li, Baoyan
YOGESWAREN, Elan
description A method and system to be used in well inspection. An acoustic signal is transmitted from a well inspection tool into a well structure and one or more return signals is detected using at least one receiver. At least one processor is used to generate variable density log (VDL) data that includes multiple waveforms in a time domain from the one or more return signals. A number of independent components to be used based on variances in the VDL data is determined and the multiple waveforms are decomposed into multiple components associated with one or more local structure variances of the well structure using independent component analysis (ICA) and the number of independent components. Characteristics of the well structure is determined based in part on patterns or features associated with one or more independent components from the multiple components.
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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
title SYSTEM AND METHOD FOR DIAGNOSING BOREHOLE STRUCTURE VARIANCES USING INDEPENDENT COMPONENT ANALYSIS
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