3 July 2015

Yolla-5 production well reaches total depth

Origin Energy Limited (Origin), as Operator of the BassGas Joint Venture, today announced that the Yolla-5 production well, which spudded at 21:30 hours AEDT on 14 March 2015, reached total depth of 3,384m MDRT (Measured Depth Below Rotary Table).

The well has been logged and cased, evaluation of results is ongoing and preparations are in place to complete the well before being commissioned for production, along with Yolla-6, via the BassGas production facility at Lang Lang, Victoria.

The well was drilled using the West Telesto jack up rig. The Yolla-5 and Yolla-6 wells are being drilled as part of Stage 2 of the BassGas Mid Life Enhancement (MLE) project.

The wells are being drilled from the Yolla Platform which is located in Bass Strait, approximately 140km off shore from Kilcunda, Victoria.

BassGas Joint Venture

Origin Energy Resources Limited (Operator)*: 42.50%
AWE Limited (through subsidiaries): 35.00%
Prize Petroleum Company Limited: 11.25%
Toyota Tsusho Gas E&P Trefoil Limited:
11.25%

* Through its wholly owned subsidiaries


Contacts

Media
Anneliis Allen
Senior External Affairs Manager
Ph: +61 2 8345 5119
Mobile: +61 428 967 166
Investors
Chau Le
Group Manager, Investor Relations
Ph: +61 2 9375 5816
Mobile: +61 467 799 642