Chevron Australia

Gorgon LNG Project

Project gorgon plant site
Multi-discipline engineering and construction services for over 15 years
Location: Western Australia
Operator: Chevron Australia
Duration: Ongoing since 2005
Scope: Concept, field development, FEED, engineering, process and technical safety and construction services, telecoms operations and maintenance

We have been supporting development of the Gorgon LNG project, a greenfield development in a Class A nature reserve and cyclone corridor, off the coast of Western Australia since 2005. The Greater Gorgon gas fields, one of Australia's largest-known gas resources, contain about 40 trillion cubic feet of gas.

Our initial work commenced during the FEED stage when we were engaged to provide technical safety studies and development and deployment of our in-house Quantitative Risk Assessment (QRA) tool and QRA modelling.

In 2009 Chevron Australia, the principal operator, awarded the Kent, Decmil, Thiess Joint Venture (TDKJV) the first contract to design and build the construction village for 4,000 workers on Barrow Island to support the future development of the LNG facility. We were responsible for providing engineering and design capabilities, as well as supplying all offshore procurement, while our partners provided the project management, local procurement and construction services.

Later that year we were awarded the Telecommunication and Electronic (T&E) systems Engineering, Procurement and Construction (EPC) contract. As part of the project scope, our Telecommunication & Electronic team completed the erection of the 120m Communication Main Mast (CMM). The CMM supports the permanent operations communications link from Barrow Island back to the mainland and is critical to the operation of the Gorgon LNG plant. It is now Australia’s heaviest 120m guyed mast, located in the area of the highest ever recorded wind speed on earth of 408 km/h (113m/s).

The remoteness of the project site called for the use of state-of-the-art telecommunications technology, including converged IP networks for multiple data streams, satellite data communications, navigational aids, including radar and vessel tracking, meteorological and oceanographic systems, site wide WAN/LAN with network management, central fire and security monitoring, and data transmission on both fiber optic and microwave. Today our team continues to provide operations and maintenance support for both onshore and offshore telecommunications and electronic systems.

in 2016, we were awarded the mechanical, electrical and instrumentation construction package with our joint venture partner, CB&I. The contract scope included the structural, mechanical, piping, electrical, instrumentation and commissioning support for the construction of three LNG trains, with a total capacity 15 million tonnes per annum, including associated utilities and a domestic gas processing and compression plant. Over the course of 2016 and through to 2018, our technical specialists performed the hull & mooring design verification and topside layout studies for the Jansz Io topsides and delivered debottlenecking and optimisation studies of the gas fields, subsea gas-gathering infrastructure and gas plant.

Today we continue to support the Gorgon project through provision of ongoing operations and maintenance services of the site-wide telecommunications systems in addition to ongoing process and technical safety support.

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