11 May 2015

Yolla-6 production well reaches total depth

Origin Energy Limited (Origin), as Operator of the BassGas Joint Venture, today announced that the Yolla-6 production well, which spudded at 21:30 hours AEDT on 14 March 2015, had reached total depth of 3,653m MDRT (Measured Depth Below Rotary Table).

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

Yolla-6 will be cased and completed before being commissioned for production via the BassGas production facility at Lang Lang, Victoria.

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

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