Tax shield on super gas profits leaves Australians looking like 'chumps', economist says

Gorgon's massive $81 billion cost means it will not pay Petroleum Resource Rent Tax for many years. (Supplied: Chevron)

It was a routine disclosure to the corporate watchdog, although the details were anything but ordinary. 

Chevron, the US energy behemoth, had revealed the results of a bumper year in which it posted record profits from its Australian operations.