BRIEF-BHP Billiton says qtrly iron ore production 58 mt
Oct 19 (Reuters) - Bhp Billiton Ltd
* qtrly iron ore production 58 mt versus 61 mt a year ago
* qtrly copper production 355 kt versus 377 kt a year ago
* qtrly petroleum production 55 mmboe versus 65 mmboe a year ago
* All production and unit cost guidance remains unchanged for 2017 financial year
* Guidance for olympic dam is under review
* All four major projects under development are tracking to plan
* fundamentals suggest both oil and gas markets will improve over next 12 to 18 months.
* petroleum capital expenditure of approximately us$1.4 billion is planned in 2017 financial year Continuación...