The proposed Australian GTL project is based on a 200,000 barrels per day scheme that could cost upwards of A$20 billion ($14.3 billion) including offshore gas development. A staged development is most likely, with 66,000 bpd an efficient investment scale per stage for the company's technology.

Sasol Chevron's country manager in Australia Tony Pytte would not comment on specific project timelines.

However,