Yolla-5 Well Start-up Boosts Production of Australia's BassGas Project

AWE Limited, a 35 percent joint venture partner in the BassGas project in Permit T/L1 in Bass Strait, offshore Austraila, reported Tuesday that the Yolla-5 development well has been successfully tied-in to export facilities on the Yolla platform and production from that well has commenced.

The Operator is monitoring well performance to achieve optimal co-mingling with production from the existing Yolla-4 well and the Yolla-6 well, which was brought online in July. The early combined production rate from the BassGas facilities has now increased to approximately 64 terajoules (TJ) per day following the addition of the Yolla-5 and Yolla-6 wells.

AWE Managing Director, Bruce Clement, said that completion of the new wells and restarting full production was a significant milestone for the BassGas project.

“The addition of the Yolla-5 and Yolla-6 development wells will now provide increased stable longer term production capability, and a greater level of well redundancy,” he said.

“The joint venture is now turning its attention to the tie-in and commissioning of the gas compression and condensate pumping modules on the Yolla platform, work that is expected to take approximately 18 months to complete,” Clement said.

The jackup, West Telesto (400' ILC), is currently being demobilised and, when released, the development drilling phase of the BassGas Mid Life Enhancement project will be complete.

The BassGas project consists of the Yolla offshore well head platform connected by pipeline to the gas processing facility at Lang Lang, Victoria. The Yolla platform is located in Bass Strait, approximately 87 miles (140 kilometers) offshore from Kilcunda, Victoria.

The BassGas Joint Venture partners in T/L1 are:

  • AWE Limited (via subsidiaries) - 35.00 percent
  • Origin Energy Resources Limited (Operator) - 42.50 percent
  • Toyota Tsusho Gas E&P Trefoil Limited - 11.25 percent
  • Prize Petroleum International Pte. Ltd. - 11.25 percent


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