Natural Gas Engine & Pump Jack : Dugan Production Moncrief

Описание к видео Natural Gas Engine & Pump Jack : Dugan Production Moncrief

A natural gas engine powers a pump jack to de-water Fruitland coal, allowing the coal to desorb methane, powering the engine...which has a delightful rhythm, straining and slowing on the upstroke. The exhaust seemed to have a bit of fruity essence to it

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