Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 23, issue 2
Articles | Volume 23, issue 2
https://doi.org/10.5194/acp-23-1491-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-23-1491-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 2
Research article
 | 
26 Jan 2023
Research article |  | 26 Jan 2023

Flaring efficiencies and NOx emission ratios measured for offshore oil and gas facilities in the North Sea

Jacob T. Shaw, Amy Foulds, Shona Wilde, Patrick Barker, Freya A. Squires, James Lee, Ruth Purvis, Ralph Burton, Ioana Colfescu, Stephen Mobbs, Samuel Cliff, Stéphane J.-B. Bauguitte, Stuart Young, Stefan Schwietzke, and Grant Allen

Data sets

Demonstration Of A Comprehensive Approach To Monitoring Emissions From Oil and Gas Installations (AEOG) J. Crosier https://catalogue.ceda.ac.uk/uuid/c94601501623483aa0a12e29ce99c0e0

Methane Observations and Yearly Assessment (MOYA) E. Nisbet https://catalogue.ceda.ac.uk/uuid/dd2b03d085c5494a8cbfc6b4b99ca702

Global Fuel Exploitation Inventory (GFEI) T. R. Scarpelli and D. J. Jacob https://doi.org/10.7910/DVN/HH4EUM

ECLIPSE v5a global emission fields IIASA https://previous.iiasa.ac.at/web/home/research/researchPrograms/air/ECLIPSEv5a.html

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Short summary
Flaring is used by the oil and gas sector to dispose of unwanted natural gas or for safety. However, few studies have assessed the efficiency with which the gas is combusted. We sampled flaring emissions from offshore facilities in the North Sea. Average measured flaring efficiencies were ~ 98 % but with a skewed distribution, including many flares of lower efficiency. NOx and ethane emissions were also measured. Inefficient flaring practices could be a target for mitigating carbon emissions.
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