Nov 19 (Reuters) - Sundance Energy Australia Ltd SEA.AX :
* TOTAL REVENUE FOR Q3 DECREASED 5% TO US$51.1 MILLION
* REVISED ITS FULL YEAR AVERAGE SALES VOLUMES ESTIMATES TO 13,300 TO 13,500 BOE PER DAY
* ANTICIPATES AN OIL CUT DURING Q4 OF 65% BY SALES VOLUME
* Q4 CAPITAL SPENDING IS ANTICIPATED TO BE US $20 MILLION
* EXPECTS TO BE FREE CASH FLOW POSITIVE DURING Q4
* IN Q4, ANTICIPATES AVERAGE SALES VOLUMES OF 13,500 TO 14,000 BOE PER DAY