The Queensland-based company also boosted its liquid hydrocarbon production by about 2.6 times.
Gas production for 2004-05 was 455,621 gigajoules, up from the 284,057 in 2003-04.
Hydrocarbon liquid period for this financial year was 2,576 barrels, easily eclipsing the 994 bbls in 2003-04.
According to the company, Roma Shelf has 1.6 petajoules in proved reserves, 5.8 petajoules in proved and probable reserves and 21.8 petajoules in proved, probable and possible reserves.
The company’s proved and proved and probable reserves have fallen from 2004 levels of 2.3 petajoules and 6.7 petajoules respectively due to production.
Sunshine has more than 37,000 square kilometres of central Queensland ground either under production and exploration or earmarked for exploration.
Its exploration projects are split into the southern Bowen Basin and Surat Basin (which includes the producing Roma Shelf project), the northern Bowen Basin and the Cooper Basin.