Cold Venting and Fugitive Emissions from Norwegian Offshore Oil and Gas Activities, Modules 1 and 2

The Norwegian Environmental Agency initiated a study (2014-16) to survey methane and NMVOC emission sources at offshore oil and gas installations. All permanent offshore oil and gas facilities on the Norwegian Continental Shelf were surveyed to identify potential emission sources. The objective was to quantify emissions, improve quantification, and identify suitable mitigation measures. 

 

Module 1 identified all the components and activities that are sources of methane emissions on an offshore oil and gas facility. It also began to suggest that standard emissions factors failed to capture the range of emissions that can occur, for instance from equipment of different vintage.

 

Module 2 reviewed and revised the quantification methodology and emission factors for future reporting, to establish a better emission inventory estimate. 

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