New field evidence from Canada shows old wells can leave a hidden leakage footprint

PHYSorg
May 20, 2026, 12:44 pm102 ptsTrending
Old oil and gas wells may continue to affect the environment long after they have stopped producing, with new field evidence showing that their leakage footprint can be broader and more persistent than surface methane measurements alone reveal. A study led by researchers at The Lyell Centre, Heriot-Watt…

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