Exploiting the estimated 3.2 trillion cubic feet of recoverable gas reserves hosted in the Kasawari sour gas field off Malaysia has been a long time coming and there are still hurdles to be overcome, writes Amanda Battersby.

Operator Petronas originally targeted a 2019 start-up date for Kasawari with peak production of 900 million cubic feet per day envisaged. However, it now seems likely that the final investment decision will not be taken until the middle of next year at the earliest.