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Extensive gas leaks in the North Sea: Abandoned wells

from Helmholtz Centre for Ocean Research Kiel (GEOMAR) via ScienceDaily

Extensive gas leaks in the North Sea: Abandoned wells Helmholtz Centre for Ocean Research Kiel (GEOMAR) via ScienceDaily During expeditions to oil and gas reservoirs in the central North Sea in 2012 and 2013, scientists of the GEOMAR Helmholtz Centre for Ocean Research Kiel (Germany) became aware of a phenomenon that had been hardly recognized before. They discovered that methane bubbles emerged from the seabed around abandoned wells. The gas originates from shallow gas pockets, which lie less than 1000 meters deep below the seafloor and that were not the target of the original drilling operations. An initial assessment showed that these emissions could be the dominant source of methane in the North Sea. READ MORE

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