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Geoff Vignal
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Proceedings Papers

Quantifying Risk to Optimize Facility Integrity Management

Alex Nemeth, Lily Li, Andrew Nielsen, Geoff Vignal
Proc. ASME. IPC2020, Volume 2: Pipeline Safety Management Systems; Project Management, Design, Construction, and Environmental Issues; Strain Based Design; Risk and Reliability; Northern, Offshore, and Production Pipelines, V002T07A009, September 28–30, 2020
Paper No: IPC2020-9459
DOI: https://doi.org/10.1115/IPC2020-9459
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Topics: Cost benefit analysis, Optimization, Risk, Safety
Proceedings Papers

Liquid Pipeline Location Specific Cyclic Pressure Determination

Vlado Semiga, Aaron Dinovitzer, Sanjay Tiku, Geoff Vignal
Proc. ASME. IPC2018, Volume 1: Pipeline and Facilities Integrity, V001T03A056, September 24–28, 2018
Paper No: IPC2018-78717
DOI: https://doi.org/10.1115/IPC2018-78717
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Topics: Pipelines, Pressure, Maintenance, Pumps, Suction, Cycles, Damage, Fatigue damage, Spectra (Spectroscopy), Columns (Structural)
Proceedings Papers

Detection of Crack-Related Features Within Dented Pipe Using Electromagnetic Acoustic Transduction (EMAT) Technology

Luis Torres, Geoff Vignal, Kaitlyn Korol, Jeffrey Sutherland, Stephan Tappert
Proc. ASME. IPC2016, Volume 1: Pipelines and Facilities Integrity, V001T03A059, September 26–30, 2016
Paper No: IPC2016-64216
DOI: https://doi.org/10.1115/IPC2016-64216
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Topics: Acoustics, Fracture (Materials), Pipes, Pipelines, Damage, Inspection, Coating processes, Coatings, Crack detection, Cracking (Materials)
Proceedings Papers

Pipeline Mechanical Damage Excavation Process Review and Recommendations

Abdelfettah Fredj, Aaron Dinovitzer, Geoff Vignal, Sanjay Tiku
Proc. ASME. IPC2014, Volume 4: Production Pipelines and Flowlines; Project Management; Facilities Integrity Management; Operations and Maintenance; Pipelining in Northern and Offshore Environments; Strain-Based Design; Standards and Regulations, V004T08A020, September 29–October 3, 2014
Paper No: IPC2014-33618
DOI: https://doi.org/10.1115/IPC2014-33618
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Topics: Damage, Pipelines, Computer simulation, Maintenance, Pipes, Failure, Inspection, Pipeline systems, Safety, Soil
Proceedings Papers

Application and Advancement of EMAT ILI Technologies for the Inspection of Cracks in Dents

Jeff Sutherland, Andrew Mann, Geoff Vignal, Arne Maier, Sean Keane
Proc. ASME. IPC2014, Volume 2: Pipeline Integrity Management, V002T06A012, September 29–October 3, 2014
Paper No: IPC2014-33451
DOI: https://doi.org/10.1115/IPC2014-33451
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Topics: Fracture (Materials), Inspection, Damage, Deformation, Pipelines, Cracking (Materials), Fracture (Process), Chisels, Pipes, Stress concentration
Proceedings Papers

Review of R&D in Support of Mechanical Damage Threat Management in Onshore Transmission Pipeline Operations

Mures Zarea, Mark Piazza, Geoff Vignal, Charley Jones, Jerry Rau, Rick Wang
Proc. ASME. IPC2012, Volume 2: Pipeline Integrity Management, 569-582, September 24–28, 2012
Paper No: IPC2012-90654
DOI: https://doi.org/10.1115/IPC2012-90654
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Topics: Damage, Pipelines, Deformation, Fracture (Materials), Machining, Pipes, Risk management, Safety
Proceedings Papers

Full Scale Experimental Database of Dent and Gouge Defects to Improve Burst and Fatigue Strength Models of Pipelines

Mures Zarea, Remi Batisse, Brian Leis, Philippe Cardin, Geoff Vignal
Proc. ASME. IPC2012, Volume 2: Pipeline Integrity Management, 845-861, September 24–28, 2012
Paper No: IPC2012-90620
DOI: https://doi.org/10.1115/IPC2012-90620
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Topics: Chisels, Databases, Fatigue strength, Pipelines, Pipes, Damage, Fatigue testing, Geometry, Shapes, Fatigue
Proceedings Papers

Full Scale Cyclic Fatigue Testing of Dented Pipelines and Development of a Validated Dented Pipe Finite Element Model

Sanjay Tiku, Vlado Semiga, Aaron Dinovitzer, Geoff Vignal
Proc. ASME. IPC2012, Volume 2: Pipeline Integrity Management, 693-702, September 24–28, 2012
Paper No: IPC2012-90427
DOI: https://doi.org/10.1115/IPC2012-90427
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Topics: Fatigue testing, Finite element model, Pipelines, Pipes, Pressure, Testing, Pipeline integrity management, Rocks, Computer simulation, Damage