Santos-led JV lets contract for Casino-Henry gas field

Rick Wilkinson
OGJ Correspondent

MELBOURNE, Sept. 28 -- The Santos-led joint venture has awarded engineering and construction company Subsea 7 an $80 million contract to install a subsea pipeline for the Casino-Henry gas field development in the Otway basin off western Victoria.

The work includes installation of a 22-km pipeline that will connect the subsea production tress at the Henry-2 and nearby Netherby fields. Subsea 7 also will install four rigid spool pieces and a 22-km electrohydraulic umbilical cable from Casino-4 to the Pecten East field.

The project management and engineering work will begin immediately in Subsea 7’s Singapore office. Offshore onsite operations will begin at yearend when the Seven Navica pipelay and construction vessel arrives.

The Rockwater 2 diving support vessel, which recently worked on BHP Billiton’s Stybarrow oil field development off Western Australia, also will be in attendance for the Santos contract.

The Casino-Henry field complex lies in 56-72 m of water about 30 km south of Port Campbell on the Victorian coast.

Casino has been on stream for a number of years via pipeline to an onshore gas processing plant near Port Campbell.

Henry, discovered in 2005, is about 18 km off Victoria in 65 m of water. Reserves are estimated to be 150 PJ of dry gas.

Netherby-1 lies 4 km north of Henry and was found in July 2008.

Santos has a 50% interest and operatorship. Australian Worldwide Exploration and Mitsui E&P Australia have 25% each.

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