Woodside Petroleum has deferred a final decision on expansion of its Pluto gas project, but the company's chief executive Don Voelte has still talked up its development record, saying it was five years ahead of industry rival Chevron.

Woodside Petroleum has deferred a final decision on expansion of its Pluto gas project, but the company's chief executive Don Voelte has still talked up its development record, saying it was five years ahead of industry rival Chevron.