Menu
Search
Filters
Close
Menu

Celebrate World Corrosion Awareness Day with 20% off eCourses and eBooks with code WCAD2024 at checkout!

51314-3985-Methanol-Induced Internal Stress Corrosion Cracking in a Northern Petroleum Pipeline

Picture for Methanol-Induced Internal Stress Corrosion Cracking in a Northern Petroleum Pipeline
Available for download
Product Number: 51314-3985-SG
ISBN: 3985 2014 CP
Author: Barbara Padgett
Publication Date: 2014
$0.00
$20.00
$20.00
In early 2012 a metallurgical investigation was performed on a section of pipe from a crude oil pipeline that leaked in service. The pipeline is located in Northwestern Canada. The investigation concluded that internal stress corrosion cracking (I-SCC) was the primary mechanism by which a crack could have initiated and propagated nearly through wall. While I-SCC is extremely rare in underground petroleum pipelines all other plausible cracking mechanisms had been eliminated through a detailed metallurgical analysis. The agent responsible for the I-SCC was suspected to be methanol? which is believed to have been used as a drying agent during the commissioning pneumatic test on the pipeline. Following the completion of the metallurgical investigation a laboratory research program was initiated to confirm the mechanism of methanol cracking and to simulate the environmental conditions necessary for methanol-induced I-SCC to occur. Furthermore another investigation was launched on two sections obtained from the Line in 2013 to quantify the distribution of residual stresses a potential contributing factor to the cracking mechanism. This paper provides an overview of the detailed metallurgical analysis and the subsequent research programs.
In early 2012 a metallurgical investigation was performed on a section of pipe from a crude oil pipeline that leaked in service. The pipeline is located in Northwestern Canada. The investigation concluded that internal stress corrosion cracking (I-SCC) was the primary mechanism by which a crack could have initiated and propagated nearly through wall. While I-SCC is extremely rare in underground petroleum pipelines all other plausible cracking mechanisms had been eliminated through a detailed metallurgical analysis. The agent responsible for the I-SCC was suspected to be methanol? which is believed to have been used as a drying agent during the commissioning pneumatic test on the pipeline. Following the completion of the metallurgical investigation a laboratory research program was initiated to confirm the mechanism of methanol cracking and to simulate the environmental conditions necessary for methanol-induced I-SCC to occur. Furthermore another investigation was launched on two sections obtained from the Line in 2013 to quantify the distribution of residual stresses a potential contributing factor to the cracking mechanism. This paper provides an overview of the detailed metallurgical analysis and the subsequent research programs.
Product tags
Also Purchased
Picture for 07663 The Effect of Oxygenated Methanol on Corrosion in Sour Wet Gas Environments
Available for download

07663 The Effect of Oxygenated Methanol on Corrosion in Sour Wet Gas Environments

Product Number: 51300-07663-SG
ISBN: 07663 2007 CP
Author: Neil Park, Sherif Maksoud, Lara Morello, and Jennifer E. Wong
Publication Date: 2007
$20.00

This paper studies the effect of oxygen in methanol on the structures and growth kinetics of iron sulfide scales. Gravimetric weight analysis was used to evaluate the corrosion mechanisms and rates. Scanning Electron Microscope/ Energy Dispersive X-ray Spectrometry (SEM/EDX), Optical Microscope and X-ray Diffraction (XRD) were used to analyze the scale.

 
Picture for 97493 Materials Experience in Methanol Reforming
Available for download

97493 Materials Experience in Methanol Reforming Units

Product Number: 51300-97493-SG
ISBN: 97493 1997 CP
Author: K. L. Baumert, J. J. Hoffman
$20.00
Picture for 04240 Role of Methanol on Pitting of SS316
Available for download

04240 Role of Methanol on Pitting of SS316 - Preliminary Results

Product Number: 51300-04240-SG
ISBN: 04240 2004 CP
Author: Thodla Ramgopal and S. Ammancherla, GE India Technology Centre Ltd.
$20.00
Categories
Industry
Recently viewed
Popular tags
View all

Association for Materials Protection and Performance

© AMPP All Rights Reserved.
Membership Terms of Content Use
Contact Customer Support