Tri-Axial Sensors and 3-Dimensional Magnetic Modelling of Defects Combine to Improve Defect Sizing From Magnetic Flux Leakage Signals

Topics:
Mechanical and Industrial
Tags:
Benefits,
Defect,
Human Resources,
In-line Magnetic Flux Leakage Inspection Tool,
Sensor
Source:
BJ Services Company

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Overview: This paper describes the procedure for determining the size of a defect using tri-axial sensors, and illustrates the benefits of magnetic modelling of these defects. These benefits include a better understanding of what the defect signals are dependent upon and superior sizing accuracy. In-line Magnetic Flux Leakage inspection tools are used to detect and size corrosion defects in order to determine the extent of metal loss present in a pipeline. The data derived from the runs is then used for the purpose of evaluating pipeline integrity.

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Format: PDF | Size: 374KB | Date: Dec 2003 | Pages: 8

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