http://www.paalp.com/_filelib/FileC...tins/Daily/2014/2014-222_December_15_2014.pdf
Baseline for Williston Basin Sweet $39.69 Bbl
Baseline for Eagle Ford Light $52.50
Easy to identify the price received at the wellhead by each location to transport on the pipeline. Of course you may not be on the pipeline and rail out the product - but that's even more expensive.