Methane emissions from conventional and unconventional oil and gas production sites in southeastern saskatchewan, canada

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Abstract

Energy development in southeastern Saskatchewan, Canada, is unique because conventional and unconventional oil and gas production is co-located. Mobile surveys are ideal for understanding emissions in this area because the overlap of production makes it difficult for airborne or satellite-based methods to differentiate emissions from each type of infrastructure. In this study, we conducted truck-based mobile surveys in the unconventional Canadian Bakken and conventional Weyburn-Midale fields to enumerate and attribute individual methane plumes, estimate methane (CH4 ) emission rates, and compare emission vectors. We sampled downwind of 645 conventional and 289 unconventional sites, covering over 4500 km of public roads. We found that 28% of surveyed conventional sites were emitting, compared to 32% of surveyed unconventional sites. Mean emissions intensities in each development were 20 m3CH4/day per conventional site and 59 m3 CH4 /day per unconventional site. Emissions intensities in southeastern Saskatchewan fall on the lower range of other emissions estimates from developments in the US and Canada.

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APA

Baillie, J., Risk, D., Atherton, E., O’connell, E., Fougère, C., Bourlon, E., & Mackay, K. (2019). Methane emissions from conventional and unconventional oil and gas production sites in southeastern saskatchewan, canada. Environmental Research Communications, 1(1). https://doi.org/10.1088/2515-7620/ab01f2

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