- Operator: Exxon
- Country: Australia
- Location: Bass Strait, Gippsland Basin
- Production start: 1970
- Type: Oil / Gas
- Estimated Reserves:
- Production Volume:
- The Halibut (HLA), Fortescue (FTA), Cobia (CBA) and Mackerel (MKA) platforms are located within Production Area VIC/L05 approximately 62 to 68 km off the Gippsland coast in approximately 69 to 93 m of water depth.
- The HLA platform is connected to the shore by the HLA-VS1-600 pipeline. There are four other licenced pipelines connecting the Central Fields platforms (the FTA-HLA300, CBA-HLA300, MKA- HLA300 pipelines).
- The Blackback (BKA) subsea facility is connected to the MKA facility by the BKA-MKA200 pipeline.
- There are also two secondary lines originating at the HLA platform (HLA-FTA100, HLA- CBA100 lines) and one originating at the MKA platform (the MKA-BKA65 line).
- HLA is an oil producing platform but also acts as a gathering platform for oil production from other fields.
- Produced oil from the Bream A and B, West Kingfish, Kingfish A and B, MKA, CBA and FTA platforms is received, combined with HLA produced oil and then transferred to shore via the Halibut to Valve Site 1 pipeline (HLA-VS1-600)
- 1970 - Halibut platform installed
- 1983 - Fortescue & Cobia platforms installed
- 1999 - Production starts from Blackback
- Central Fields, National Offshore Petroleum Safety and Environmental Management Authority
- Offshore Oil And Gas Production Platforms In Australia