2024
DOI: 10.1021/acs.energyfuels.4c00908
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Highly Uncertain Methane Leakage from Oil and Gas Wells in Canada Despite Measurement and Reporting

Scott P. Seymour,
Donglai Xie,
Mary Kang

Abstract: Leakage of fluids from oil and gas wells is a source of the key greenhouse gas methane, and presents environmental risks, including groundwater contamination. A loss of well integrity can result in fluid leakage into the annular space between subsequent well casings (which is often vented to the atmosphere) or into the surrounding subsurface. In Canada, industry reporting on well integrity is often incomplete, leading government inventories to disagree on emission magnitudes. In this study, we model wellbore m… Show more

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