It doesn't need to be anywhere near a place to work, and it needs a massive amount of power. Hence the direct feed from the natural gas pipeline.
"The facility is powered by a set of five (5) 2500 kilowatt generators being driven by EMD 20-645-E4 diesel locomotive engines".
Presumably it's only running for short periods of time using diesel, so its location near a gas pipeline seems mostly irrelevant
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