Authors
Tara I Yacovitch, Conner Daube, Timothy L Vaughn, Clay S Bell, Joseph R Roscioli, W Berk Knighton, David D Nelson, Daniel Zimmerle, Gabrielle Pétron, Scott C Herndon
Publication date
2017/11/24
Journal
Elem Sci Anth
Volume
5
Pages
69
Publisher
University of California Press
Description
Methane (CH4) emission rates from a sample of natural gas facilities across industry sectors were quantified using the dual tracer flux ratio methodology. Measurements were conducted in study areas within the Fayetteville shale play, Arkansas (FV, Sept–Oct 2015, 53 facilities), and the Denver-Julesburg basin, Colorado, (DJ, Nov 2014, 21 facilities). Distributions of methane emission rates at facilities by type are computed and statistically compared with results that cover broader geographic regions in the US (, ). DJ gathering station emission rates (kg CH4 hr–1) are lower, while FV gathering and production sites are statistically indistinguishable as compared to these multi-basin results. However, FV gathering station throughput-normalized emissions are statistically lower than multi-basin results (0.19% vs. 0.44%). This implies that the FV gathering sector is emitting less per unit of gas throughput than would be …
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