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Innovation Insights

CO2 sequestration in unmineable coal seams and use for enhanced coalbed methane recovery

Coal seams (soal deposits under rock formations) contain significant amounts of methane trapped in them.

The recovery rate of methane from coal seams is usually limited by the coal seam gas pressure and diffusion rate and, as a result, not all the available gas can be recovered. By injecting CO2 into the seam, further methane can be liberated.

This gas can be CO2, N2, flue gas or a combination thereof. The injection of captured CO2 to provide enhanced recovery of coalbed methane might serve to increase methane production whilst storing CO2, if the geography and economics are favourable.

Relevant for

  • Oil & gas engineer

Innovation sector

  • Chemistry & chemical engineering

Web Resources

Carbon dioxide (CO2) sequestration in unmineable coal seams and use for enhanced coalbed methane recovery (ECBM)

03-03-2014

Source: ETH Zurich

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Innovation Category

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Presentation on CO2 Sequestration in Unmineable Coal Seams

01-10-2015

Source: Texas A&M University

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Current status and technical challenges of CO2 storage in coal seams and enhanced coalbed methane recovery: an overview

31-08-2014

Source: Chinese Academy of Sciences

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Potential for enhanced coalbed methane recovery using CO2

02-05-2015

Source: IEA Clean Coal Centre

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Know All about CO2

Domain

Pollution control

Type of innovation

Core sciences & engineering

Stakeholders

Corporate researcher

Industry

Chemicals