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Moomba CCS: Delivering real emissions reduction Find out how

Santos, one of Western Australia’s largest domestic gas suppliers, today announced that first production from the Halyard-2 infill well has commenced.

The well is online six weeks ahead of schedule and is now producing. This will supply an incremental 65 mmscf/d into Varanus Island. Further, it will convert approximately nine mmboe of sales gas and condensate to 2P developed reserves[1].

Santos Managing Director and Chief Executive Officer Kevin Gallagher said this is a valuable short-cycle capex project, delivering incremental low-cost volumes into the portfolio through to 2027, and supporting a reduction in unit production costs in 2025.

“This project demonstrates Santos’ commitment to our disciplined low-cost operating model and our focus on efficient execution of our projects and strong operational results in 2025,” Mr Gallagher said.

[1] Movement relative to 2P undeveloped reserves status as at 31 December 2024.