October 6, 2015

Come Celebrate
Good Food, Good Beer, and Good Talk


Topic: Welding onto In-Service Pipelines – Mitigating the Risk of Burnthrough and Hydrogen Cracking
Speaker: Melissa Gould – DNV GL

Date: Tuesday, October 6, 2015


5:30 – Social Hour
6:00 – Dinner
Dinner will be served at 6 pm which is earlier than the usual time.
7:30 – Presentation

Free for students

About the Topic: Both environmental and economic benefits lead to the frequent repair and hot tapping of oil and gas pipelines using in-service welding. However, there are certain risks that must be mitigated to allow for successful in-service welding, including burnthrough of the pipe during welding or the formation of hydrogen-induced cracks (HIC). This presentation will look at the conditions necessary to cause burnthrough or HIC, and how to mitigate these risks. Additionally, a video, produced by DNV GL and Spectra Energy, demonstrating hydrogen diffusion in welds will be presented.

About the Speaker: Melissa Gould is a Senior Engineer in the Welding Technology group at DNV GL. Melissa holds both a Bachelor of Science and Master of Science degree in Welding Engineering from the Ohio State University. Additionally, she is an American Welding Society (AWS) Certified Welding Inspector (CWI). Melissa focuses on welding consulting for onshore oil and gas pipelines, including both new construction and repair of existing lines.