Methane emissions from upstream oil and gas production in Canada are underestimated

被引：77
|
作者：
MacKay, Katlyn [1 ,2 ]
Lavoie, Martin [1 ]
Bourlon, Evelise [1 ]
Atherton, Emmaline [1 ]
O'Connell, Elizabeth [1 ]
Baillie, Jennifer [1 ]
Fougere, Chelsea [1 ]
Risk, David [1 ]
机构：
[1] St Francis Xavier Univ, Dept Earth Sci, Antigonish, NS, Canada
[2] Mem Univ Newfoundland, Dept Engn & Appl Sci, St John, NF, Canada
来源：
SCIENTIFIC REPORTS | 2021年 / 11卷 / 01期
基金：
加拿大自然科学与工程研究理事会;
关键词：
ALBERTA; QUANTIFICATION;
D O I：
10.1038/s41598-021-87610-3
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
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.
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页数：8
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