The arrival this year of global oil and gas heavyweights BG plc, Petronas and Royal Dutch Shell in Queensland is an extremely significant event for Australia's bourgeoning coal seam methane (CSM) business.

The arrival this year of global oil and gas heavyweights BG plc, Petronas and Royal Dutch Shell in Queensland is an extremely significant event for Australia's bourgeoning coal seam methane (CSM) business.