Fig. 4: Comparison of estimated and measured sources contributing to the total upstream oil and gas methane inventory in BC. | Communications Earth & Environment

Fig. 4: Comparison of estimated and measured sources contributing to the total upstream oil and gas methane inventory in BC.

From: Creating measurement-based oil and gas sector methane inventories using source-resolved aerial surveys

Fig. 4

a Assumed source breakdown in the most recent (2020) official inventory (SCVF = Surface casing vent flow; Dehys. = Glycol Dehydrators). b Source breakdown from the presently derived 2021 measurement-based methane inventory.

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