Enhanced Coalbed Methane Recovery

Enhanced coal bed methane recovery is a method of producing additional methane (or natural gas) from a source rock, the techniques employed are similar to enhanced oil recovery techniques that are applied to oil fields.

Carbon dioxide (CO2) that is injected into a bituminous coal bed would occupy pore space and also adsorb onto the carbon in the coal at approximately twice the rate of methane (CH4), allowing for potential enhanced gas recovery.

This technique may be used in conjunction with carbon capture and storage in mitigation of global warming where the carbon dioxide that is sequestered is captured from the output of fossil fuel power plants.

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