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Published on Oct 30, 2015
The Gorgon Upstream scope includes the design and construction of all wells and facilities to source gas from the Gorgon and Jansz-Io gas fields and transportation to the plant on Barrow Island.
The Jansz-Io field, located approximately 130 kilometres northwest of Barrow Island in 1,350 metres of water, is an initial ten well, two drill centre subsea development. The Gorgon field, located approximately 65 kilometres to the west of Barrow Island in 220 metres of water, is an initial eight well, three drill centre arrangement. The Gorgon Project’s subsea gas gathering system is the largest ever installed in Australia and features state-of-the-art infrastructure. The overall system consists of 18 wells, 20 main subsea structural elements, 63 connecting spools, approximately 800 kilometres of pipeline including 200 kilometres of main production pipeline and more than 30 kilometres of in-field CRA pipelines, umbilicals and associated infrastructure.
Many components required for the system were beyond the limits of prior industry experience and were specifically developed and qualified for Gorgon.