A pneumatic controller. Credit: Miguel Otárola/CPR News
Shale operators are rolling out programs to replace natural gas-fired pneumatic devices on oil-field equipment with air-driven devices. The change comes as companies seek to lower so-called greenhouse gas (GHG) emissions. The change also allows drillers to claim they're getting greener. EQT, the largest natural gas producer in the country (solely working in the Marcellus/Utica), is one such company. According to EQT, replacing all of its pneumatic devices will cut the company's GHG emissions by more than half.
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