** Australian energy stocks .AXEJ fall as much as 2.5% to 9,210.40; marks biggest intraday pct loss since June 24
** Oil prices drop as investors assess supply outlook and trade obstacles O/R
** Top independent oil and gas producer Woodside Energy WDS.AX drops 3.4%; Beach Energy BPT.AX slips 4.4%
** YTD, AXEJ gains 7.2%
(Reporting by Nichiket Sunil in Bengaluru)
((Nichiket.Sunil@thomsonreuters.com))