SLR Conducts Measurement Study on Gas-Driven Pneumatic Controllers in U.S. Oil and Gas Regions
SLR's study measured gas emissions from pneumatic controllers across three U.S. oil and gas regions, covering nearly 2,500 devices. The findings showed emissions significantly lower than EPA defaults, aiding in identifying high-release devices for potential replacement.
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SLR conducted a measurement study of gas-driven pneumatic controllers in the San Juan Basin, Rocky Mountain Region, and Gulf Coast Region, spanning five to six months. The project involved nearly 2,500 controllers monitored using positive displacement meters during routine venting.
Initially aimed at proving lower emissions than EPA estimates to reduce methane Waste Emissions Charge (WEC) fees, the study evolved following the revocation of the WEC rule to focus on actual release rates. The results identified device types with high emissions and potential malfunctions.
SLR managed the project, developed data collection tools, and engaged subcontractors for field operations. Average emissions were found to be less than half of the EPA's default emission factor specified in 40 CFR 98, Subpart W.
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