An updated look at petroleum well leaks, ineffective policies and the social cost of methane in Canada’s largest oil-producing province

Daniel Schiffner, Maik Kecinski () and Sandeep Mohapatra
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Daniel Schiffner: University of Alberta
Maik Kecinski: University of Delaware

Climatic Change, 2021, vol. 164, issue 3, No 36, 18 pages

Abstract: Abstract Temporarily plugged or “suspended” wells pose environmental and economic risks due to the large volume of methane gas leaked. In the Canadian Province of Alberta, which, by far, has the largest number of petroleum wells in Canada, there are no regulations stipulating the maximum length of time a well can be left suspended. In recent years, an increasing number of wells have been put into the suspended state by owners. We show using a large data set obtained from the Alberta Energy Regulator that leak spells have increased between 1971 and 2019. For the same time period, the probability of an unresolved leak has also increased, and the amount of methane emitted per leak has substantially gone up. Lastly, we provide simple social-cost-of methane computations indicating that responsible policies can incentivize well owners towards remediation and reclamation and support efforts to fight climate change and improve upon economic expedience.

Keywords: Petroleum wells; Methane gas emissions; Climate change; Social cost of methane (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s10584-021-03044-w

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