BHP Billiton petroleum unit earnings climbed 22.3% to US$1.97 million for the first half ended Dec. 31, 2007 thanks to stronger production and higher prices for oil and gas outputs. Total production for the 6 months was 60.5 million BOE, up 5% from a year ago. Petroleum outputs enjoyed higher average realised prices in the quarter, with the biggest gain in the price of oil outputs at an average US$81.20 per barrel, up from US$63.77 a year ago. |