Coal seam gas extraction within the Surat and Bowen Basins of Queensland, Australia forms the basis of the company's main operations.

QGC has constructed a coalbed methane liquefaction plant on Curtis Island off the coast of Gladstone in Central Queensland.

[7] Leakage testing conducted in April and May 2010 found more than half of the wells in these gas fields were leaking extremely low level concentrations of methane.

[7] In 2011, Bob Irwin the Australian environmentalist and founder of Australia Zoo, was arrested after protesting against QGC and refusing to obey an order from police to move on.

[9] ABC's Four Corners current affairs program produced several investigative reports on what has been described as the great Australian land grab and the environmental dangers of coal seam gas.