** Shares of Australia's Origin Energy ORG.AX slip as much as 6.3% to A$11.810, their biggest intraday pct drop since April 7
** Stock dips 2.3% so far this week, set for its worst week since the week ended September 5
** Diversified energy firm says revenue from the Australia Pacific LNG Project in Queensland declined sequentially in the quarter-ended September to A$482 million ($313.20 million) vs A$547 million in the previous quarter
** Firm realised average LNG price of $10.08 per metric million British thermal units for the quarter from its APLNG project, compared with $10.26 in the June quarter
** Stock up 12% YTD
($1 = 1.5389 Australian dollars)
(Reporting by Keshav Singh Chundawat in Bengaluru)
((Keshav.singhchundawat@thomsonreuters.com))