With an estimated 14.2 trillion cubic metres (Tcm) of gas reserves in place plus 18 billion barrels of gas condensate, Iran’s 3,700-square kilometre (sq.km) South Pars gas field is one part of the world’s largest gas field. The other is Qatar’s 6,000-square km North Dome, with around 36.8 Tcm of gas reserves in place and about 32 billion barrels of gas condensate. Split into 24 Phases for development, with production targets ranging from 28 million cubic metres per day (mcm/d) to 57 mcm/d, it is the fortunes of Iran’s South…