Oct 31 (Reuters) - Australia's Origin Energy ( OGFGF ) on

Friday posted a 12% sequential fall in revenue for the first

quarter from its stake in the Australia Pacific LNG project,

hurt by lower LNG volumes and prices.

The power producer reported revenue from the APLNG project -

a joint venture with U.S. oil and gas major ConocoPhillips ( COP )

and China's state-owned Sinopec - of A$482

million ($313.20 million) for the three months ended September

30, compared with A$547 million in the June quarter.

($1 = 1.5389 Australian dollars)