I have not consulted on oil and gas pipelines. However, I have served in many capacities as reflected on my c.v.
Potential Conflicts of Interest
Enbridge condemned about 1/3 acre of our land for the line 6B pipeline. They purchased it for transfer to our neighbor. We no longer have any easements on our property. However, for full disclosure anyone should know that we have dealt with Enbridge. I have served on a number of high level committees for the US Department of Environmental Protection, the National Science Foundation, and the National Academies/ National Research Council. I have published ~100 papers and am sole author of the textbook Environmental Surfaces and Interfaces from the Nano Scale to the Global Scale (Wiley, 2009).