Coal Seam Gas

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Inhibitors:

  • Environmental impact of extracting coal seam gas - mainly the disposal of water.
  • High initial costs.
  • Lower gas rates than conventional reservoirs.
  • Movement away from fossil fuels - regardless how clean - towards renewable energy sources.
  • Low natural gas prices.

Paradigms:

  • Brings a new view on previously uneconomical coal deposits. Previously if a coal deposit was uneconomical for mining it was left unexploited; now it is possible to extract gas from the coal bed for a much lower cost than mining.
  • Changes the way China thinks about meeting energy requirements.
  • Coal is now seen as a reservoir rock as well as a source rock.
  • Methane emissions can be reduced profitably in coal mines.

Experts:

Timing:

  • Late 1970s - Coal seam gas exploration starts in earnest in the U.S.A.
  • Mid 1980s - Established production in San Juan and Black Warrior Basins.
  • 1990s - commencement of development in Australia

Web Resources:

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