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Journal Articles Science Year : 2022

Global assessment of oil and gas methane ultra-emitters


Methane emissions from oil and gas (O&G) production and transmission represent a considerable contribution to climate change. These emissions comprise sporadic releases of large amounts of methane during maintenance operations or equipment failures not accounted for in current inventory estimates. We collected and analyzed hundreds of very large releases from atmospheric methane images sampled by the TROPOspheric Monitoring Instrument (TROPOMI) between 2019 and 2020. Ultra-emitters are primarily detected over the largest O&G basins throughout the world. With a total contribution equivalent to 8 to 12% (~8 million metric tons of methane per year) of the global O&G production methane emissions, mitigation of ultra-emitters is largely achievable at low costs and would lead to robust net benefits in billions of US dollars for the six major O&G-producing countries when considering societal costs of methane.
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hal-03565371 , version 1 (14-03-2022)



Thomas Lauvaux, Clément Giron, Matthieu Mazzolini, Alexandre d'Aspremont, Riley Duren, et al.. Global assessment of oil and gas methane ultra-emitters. Science, 2022, 375 (6580), pp.557-561. ⟨10.1126/science.abj4351⟩. ⟨hal-03565371⟩
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