Oct 19 (Reuters) - Woodside Petroleum Ltd WPL.AX
* Qtrly total production 20.3 mmboe versus 25.2 mmboe a year ago
* Qtrly sales 21.1 mmboe versus 25.4 mmboe last year
* Q3 sales revenue $914 million versus $988 million a year ago
* Appointed Sherry Duhe as its chief financial officer, effective 1 december 2017
* Woodside's 2017 production guidance has been narrowed to 84-86 mmboe
* Start-Up of LNG train 2 is expected in six to eight months for Wheatstone LNG
* Pyi Tharyar-1 well in Block A-6 intersected a thin column of gassaturated sands, which are unlikely to be commercially recoverable in Myanmar