Considerations for quantifying fugitive methane releases from shale gas operations
Describes the options available for quantifying the amounts of fugitive methane potentially released to air from exploratory onshore oil and gas operations.
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This report has been produced to inform the Environment Agency and other industry experts. It informs them about the options available for quantifying the amounts of fugitive methane released to air from certain onshore oil and gas operations.
The emphasis is on exploratory operations to extract methane from shale by hydraulic fracturing - commonly known as 鈥榮hale gas operations鈥�. Hydraulic fracturing for shale gas is one example of using 鈥榰nconventional鈥� methods to extract gaseous hydrocarbons. Similar considerations for quantifying fugitive methane apply to other 鈥榰nconventional鈥� exploratory operations (e.g. for coal-bed methane), so the report is relevant to 鈥榰nconventional gas鈥� operations in general. The report focuses on methods for monitoring fugitive methane, and on proposing monitoring efforts that are proportionate to a site鈥檚 characteristics and environmental risks.
There are several reasons for quantifying fugitive releases of methane. These include reporting of emissions, assessing health and environmental impacts, and determining if emission controls are needed or effective.