Santos will need to pipe Barossa’s CO2 a long way — about 280 kilometres from Barossa to Darwin, then about 500 kilometres from Darwin to Bayu-Undan.

Piping gas such a distance requires compression and a lot of energy, which will likely involve using Barossa’s carbon-heavy gas
— Read on www.abc.net.au/news/2023-11-14/sea-dumping-carbon-capture-storage-legislation-santos-barossa/103078290