Methane Methane

Industrial Methane Measurement Conference - Abstract

Abstract Title: Methane emission intensities for upstream oil and gas production in Canada
Presenter Name: Ms Judith Vogt
Co-authors:Ms Katlyn MacKay
Dr Martin Lavoie
Dr Evelise Bourlon
Ms Jennifer Baillie
Ms Emmaline Atherton
Ms Elisabeth OConnell
Ms Chelsea Fougre
Mr Gilles Perrine
Prof David Risk
Company/Organisation: St. Francis Xavier University
Country: Canada

Abstract Information :

The burning of fossil fuels constitutes the largest anthropogenic source of greenhouse gas emissions globally. In order to make better energy choices as we slowly progress towards net-zero emissions worldwide by 2050, we need more transparency around greenhouse gas emission intensities. In this study, we calculated methane emission intensities of upstream oil and gas production using a large inventory of measurements from vehicle- and aircraft-based methane emission surveys across Canada. Onshore, we found the lowest emission intensities of 0.100.07 gCO2eMJ in gas dominated production near Grande Prairie, Alberta, and the highest emission intensities of 39.5326.79 gCO2eMJ in the oil producing region of Kindersley, Saskatchewan. Emission intensities onshore and offshore varied in some cases by over 100x between regions, suggesting that some regions are a more important focus for mitigation if we are to lower the carbon intensity of production. These upstream-only emission intensities also substantially exceed previous estimates for whole-lifecycle methane emission intensity of 2.6 gCO2eMJ. As such, lifecycle values based on emission factor inventories clearly need to be revised based on new information from large-scale measurement efforts.

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