Halladale-1 DW-2 Encounters Gas

Origin Energy reports that the Halladale-1 DW-2 exploration well has encountered a gross gas-bearing interval of 21m (total vertical thickness) in interbedded sands and shales of the Waarre Formation. The well has now reached a total depth of 1941m MDRT (measured depth below the rotary table), and wireline logging and sampling operations are in progress.

The well is located in offshore exploration permit VIC/P37(v) approximately 4 km from shore and 24 km west of the coastal township of Port Campbell.

Halladale-1 DW-2 is the second exploration well to be drilled from this surface location. The well has been sidetracked from the original Halladale-1 well bore and had been drilled deviated towards the north to evaluate the Halladale prospect. The previous well, Halladale-1 DW-1 (Location Black Watch), was drilled deviated to the south and evaluated the Black Watch Prospect, which was also found to be gas bearing in the Waarre Formation.

Results to date of Halladale-1 DW-2 are in line with expectation based on the results of Halladale-1 DW-1 and the position of Halladale-1 DW-2 on the Halladale prospect.

The two wells are being drilled using Diamond Offshore's, Ocean Patriot, semisub with drilling operations managed by Woodside Energy Ltd under an agreement with Origin Energy.

Participants in Halladale-1 DW-2 are Origin Energy Limited as operator with 37.5% and Woodside Energy Limited with 62.5%.

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