Project Profile
Value: US$1.5 billion
Location: Block WA-42L, offshore west of Onslow, offshore Western Australia
Water Depth: 180m
Upstream Gas Reserves: 800 billion ft³
Production startup Year: August 2013
The Macedon gas field development will to be operated by BHP Billiton and will commercialise natural gas from offshore production lease WA-42-L, located 10 km from the Pyrenees and 100 km west of Onslow. Reserves for the Macedon field are estimated to be between 400 and 750 billion cubic feet of gas. The Macedon project includes four subsea gas production wells; an 85km, 20\" trunkline; and a 4 to 7\" umbilical from the Macedon gas field to the onshore gas plant to be constructed at Ashburton North, 17 km south west of Onslow.
A sales gas pipeline will be connected to the Dampier to Bunbury Natural Gas Pipeline for sale to the domestic gas market in Western Australia. The gas plant will have a design capacity of 200 million standard cubic feet per day. Macedon is in the Northern Carnarvon Basin, 100km west of Onslow and 40km north of Exmouth. The project is valued at US$1.5 billion.
Operators:
BHP Billiton: Operator with 71.43% interest
Macquarie Capital & Brookfield Asset Management: 28.57% interest
Contractors:
Xodus Group Pty Ltd.: Subsea and pipeline designs
WorleyParsons: Conceptual Design of gas plant
Clough Limited: FEED contract
Technip: EPC – Onshore gas plant
Oceaneering International: Umbilicals and distribution equipment
McDermott International: Installation of umbilicals, risers, and flowlines
Monadelphous: Construction contract