Lol, does this pipeline connect to the rest of the country, or just Utah,
Colorado, and Wyoming? If you're talking about the Frontier pipeline, then you are talking about a captive market. They have no option for bringing in other crude sources when prices vary. They are subject to production in Wyoming and the Uintah Basin, with some options in the DJ basin.
Do you understand the meaning of captive market? Tesoro management has used that exact phrase with me in discussions of the SLC market. So unless a large new pipeline has been built in the last 5-6 years, I'll go with their assessment.
And no, the pipeline to Las Vegas is not a crude pipeline flowing toward SLC, it's a product pipe flowing to Vegas.