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- Title
Methane emissions from upstream oil and gas production in Canada are underestimated.
- Authors
MacKay, Katlyn; Lavoie, Martin; Bourlon, Evelise; Atherton, Emmaline; O'Connell, Elizabeth; Baillie, Jennifer; Fougère, Chelsea; Risk, David
- Abstract
Methane emissions were measured at 6650 sites across six major oil and gas producing regions in Canada to examine regional emission trends, and to derive an inventory estimate for Canada's upstream oil and gas sector. Emissions varied by fluid type and geographic region, with the heavy oil region of Lloydminster ranking highest on both absolute and intensity-based scales. Emission intensities varied widely for natural gas production, where older, low-producing developments such as Medicine Hat, Alberta showed high emission intensities, and newer developments in Montney, British Columbia showed emission intensities that are amongst the lowest in North America. Overall, we estimate that the Canadian upstream oil and gas methane inventory is underestimated by a factor of 1.5, which is consistent with previous studies of individual regions.
- Subjects
BRITISH Columbia; MEDICINE Hat (Alta.); METHANE; GAS industry; NATURAL gas production
- Publication
Scientific Reports, 2021, Vol 11, Issue 1, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/s41598-021-87610-3