Worley has been awarded a contract to provide engineering and construction management services to Chevron Australia Pty Ltd (Chevron) for its Jansz-lo Compression (J-IC) project

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The project will use subsea compression technology to maintain long-term gas supply from the Jansz-lo field, located around 200 km offshore the north-western coast of Australia. The field will supply three existing LNG trains and domestic gas plant on Barrow Island.

The J-IC project will involve the construction and installation of a 27,000‑tonne normally unattended floating field control station, around 6,500 tonnes of subsea compression infrastructure, and a 135 km submarine power cable linked to Barrow Island.

We completed the pre-FEED and FEED for the project in 2020. We’ll now provide detailed engineering, design and construction management services for the power transmission and communication components scope.

We’ll lead the project from our Perth office, with support from our global integrated delivery team. The project is expected to take approximately five years to complete.

“Being part of a project that supports the energy transition across the Asia Pacific region aligns with our purpose of delivering a more sustainable world. We’re pleased to continue our global relationship with Chevron and look forward to supporting the next stage of its strategically important J-IC project,” said Gillian Cagney, Regional Managing Director, Australia & New Zealand.

Source: Worley

ABB secures $120 million order to power Jansz-Io Compression project

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ABB has won an order worth approximately $120 million to supply the overall Electrical Power System (EPS) for the prestigious multi-billion-dollar Jansz-Io Compression (J-IC) project. The order, comprising contracts with Chevron Australia Pty Ltd and with Aker Solutions, is booked in Q3 2021.

The Jansz-Io field is located around 200 kilometers offshore the north-western coast of Australia, at water depths of approximately 1,400 meters. The field is a part of the Chevron-operated Gorgon natural gas project, one of the world’s largest natural gas developments. The J-IC project, which moves gas from the deep seas to shore, marks only the third time that world-leading subsea compression technology is being deployed globally and the first time outside of Norway1 where ABB is also responsible for providing the EPS. The project will involve the construction and installation of a 27,000-tonne (Topside and Hull) normally unattended floating Field Control Station (FCS), approximately 6,500 tonnes of subsea compression infrastructure and a 135km submarine power cable linked to Barrow Island.

ABB will provide the majority of the electrical equipment, both topside and subsea, for J-IC. The project will combine two core ABB technologies – power from shore and Variable Speed Drive (VSD) long step-out subsea power – for the first time. The electrical system will be able to transmit 100 megavolt-amperes over a distance of approximately 140 kilometers and at depths of 1,400 meters.

The contract was awarded following concept development and a front-end engineering and design (FEED) study. Work will start immediately and the subsea compression system is expected to be in operation in 2025.

Source: ABB