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Keywords: welding
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Proceedings Papers

Proc. ASME. IPC2022, Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, V003T05A025, September 26–30, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IPC2022-87109
... Abstract The current preference of regulators in the United States and Canada is to require a delay time prior to nondestructive examination (NDE) of welds for cracking; for both welds made manually during construction of new pipelines and during maintenance activities for existing pipelines...
Proceedings Papers

Proc. ASME. IPC2022, Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, V003T05A028, September 26–30, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IPC2022-87297
...Proceedings of the 2022 14th International Pipeline Conference IPC2022 September 26-30, 2022, Calgary, Alberta, Canada IPC2022-87297 DETECTION AND MITIGATION OF COPPER CONTAMINATION IN MECHANIZED ONSHORE PIPELINE GIRTH WELDS Kenneth Lee1, Paul Spielbauer2, David Culbertson3, Bob Huntley4 1DNV...
Proceedings Papers

Proc. ASME. IPC2022, Volume 1: Pipeline Safety Management Systems; Project Management, Design, Construction, and Environmental Issues; Strain-Based Design and Assessment; Risk and Reliability; Emerging Fuels and Greenhouse Gas Emissions, V001T08A013, September 26–30, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IPC2022-87202
... Abstract The objective of the recently completed Phase 1 of a joint industry project (JIP) at DNV, the results of which are described in this paper, was to determine if welding onto an in-service pipeline that transports a mixture of methane and hydrogen results in an increased risk of hydrogen...
Proceedings Papers

Proc. ASME. IPC2022, Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, V003T05A027, September 26–30, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IPC2022-87295
... Abstract Recent girth weld failures in newly constructed pipelines in North America have highlighted the issue of the weld strength undermatching the actual pipe strength. The lowest strength region of a manual girth weld is usually the root pass. This project evaluated using higher strength...
Topics: Pipes, Welding
Proceedings Papers

Proc. ASME. IPC2020, Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, V003T05A025, September 28–30, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IPC2020-9241
... Abstract Some 10 incidents of low strain in-service and pre-service hydrotest failures in girth welds have been reported in North America since the Enterprise Products ethane pipeline failure in 2015. No such failures have been reported in Australia, despite the similarities in Standards...
Proceedings Papers

Proc. ASME. IPC2020, Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, V003T05A032, September 28–30, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IPC2020-9706
... Abstract Field experience on pipelines suggests that under the unique conditions of tie-in welding, a high-low offset at the inner pipe wall is related to an increased occurrence of latent root weld discontinuities such as cold cracking. Codes and standards offer conflicting and unclear...
Proceedings Papers

Proc. ASME. IPC2010, 2010 8th International Pipeline Conference, Volume 2, 671-683, September 27–October 1, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IPC2010-31469
... of the mainline welding process, where a high productivity system was used. Mainline welding on X100 pipe was accomplished using a single tandem wire GMAW system offered by Serimax. Tie-in and fabrication welding was accomplished using vertical-down STT root pass and a vertical-up mechanised FCAW system...
Proceedings Papers

Proc. ASME. IPC2004, 2004 International Pipeline Conference, Volumes 1, 2, and 3, 1919-1923, October 4–8, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IPC2004-0583
... 10 12 2008 A technique for sub-sea pipeline repair using remote welding without the use of diverse has been developed. The technique involves the installation of an oversized pipe segment (sleeve) over the join by threading the pipe ends through the sleeve and performing a sub-sea...
Proceedings Papers

Proc. ASME. IPC2004, 2004 International Pipeline Conference, Volumes 1, 2, and 3, 1475-1484, October 4–8, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IPC2004-0630
... 10 12 2008 The hyperbaric GMA welding procedure development carried out for underwater pipeline repair using a fillet welded sleeve is described. The fillet welded sleeve for repair offers greater alignment and installation tolerances than those associated with V-butt welding...