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Title: R and D advances in corrosion and crack monitoring for oil and gas lines

Abstract

Magnetic Flux Leakage (MFL) inspection techniques for in-line corrosion monitoring of pipelines continue to evolve rapidly. Current R and D is aimed at improving the accuracy and reliability of defect sizing. Major issues are the variability and consequent need to characterize the magnetic properties of the pipes and the effects of line pressure, residual and bending stresses on MFL signals. Magnetic Barkhausen Noise (MBN) measurements are being used to study the stress-induced changes in magnetic anisotropy. Remote Field Eddy Current (RFEC) techniques are being investigated for detection and measurement of stress corrosion cracking in gas pipelines. Anomalous defect source models have improved the detailed explanation of crack defect interactions greatly.

Authors:
; ;  [1]; ; ;  [2]
  1. Queen`s Univ., Kingston, Ontario (Canada). Dept. of Physics
  2. Pipetronix, Ltd., Concord, Ontario (Canada)
Publication Date:
OSTI Identifier:
427802
Report Number(s):
CONF-9606127-
ISBN 0-7918-1767-9; TRN: IM9708%%129
Resource Type:
Book
Resource Relation:
Conference: International pipeline conference: pipelining in a changing competitive environment, Calgary (Canada), 9-14 Jun 1996; Other Information: PBD: 1996; Related Information: Is Part Of Proceedings of the first international pipeline conference (IPC `96). Volume 1; Yoon, M. [ed.] [Valmet Automation, Calgary, Alberta (Canada)]; Mensik, M. [ed.] [NOVA Gas Transmission, Calgary, Alberta (Canada)]; Mohitpour, M. [ed.] [NOVA Gas International, Ltd., Calgary, Alberta (Canada)]; PB: 605 p.
Country of Publication:
United States
Language:
English
Subject:
02 PETROLEUM; 03 NATURAL GAS; PIPELINES; INSPECTION; DEFECTS; CORROSION; CRACKS; MAGNETIC FLUX; STRESSES; STRAINS; MAGNETIC PROPERTIES; ANISOTROPY; PROBES; EDDY CURRENT TESTING; EXPERIMENTAL DATA

Citation Formats

Atherton, D L, Czura, W, Krause, T W, Laursen, P, Mergelas, B, and Hauge, C. R and D advances in corrosion and crack monitoring for oil and gas lines. United States: N. p., 1996. Web.
Atherton, D L, Czura, W, Krause, T W, Laursen, P, Mergelas, B, & Hauge, C. R and D advances in corrosion and crack monitoring for oil and gas lines. United States.
Atherton, D L, Czura, W, Krause, T W, Laursen, P, Mergelas, B, and Hauge, C. 1996. "R and D advances in corrosion and crack monitoring for oil and gas lines". United States.
@article{osti_427802,
title = {R and D advances in corrosion and crack monitoring for oil and gas lines},
author = {Atherton, D L and Czura, W and Krause, T W and Laursen, P and Mergelas, B and Hauge, C},
abstractNote = {Magnetic Flux Leakage (MFL) inspection techniques for in-line corrosion monitoring of pipelines continue to evolve rapidly. Current R and D is aimed at improving the accuracy and reliability of defect sizing. Major issues are the variability and consequent need to characterize the magnetic properties of the pipes and the effects of line pressure, residual and bending stresses on MFL signals. Magnetic Barkhausen Noise (MBN) measurements are being used to study the stress-induced changes in magnetic anisotropy. Remote Field Eddy Current (RFEC) techniques are being investigated for detection and measurement of stress corrosion cracking in gas pipelines. Anomalous defect source models have improved the detailed explanation of crack defect interactions greatly.},
doi = {},
url = {https://www.osti.gov/biblio/427802}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Dec 31 00:00:00 EST 1996},
month = {Tue Dec 31 00:00:00 EST 1996}
}

Book:
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