Origin Energy Spuds Halladale-1 Well Offshore Australia

Origin Energy reports that the exploration well Halladale-1 DW-1 (Location Black Watch) spudded on March 22, 2005. 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-1 (Location Black Watch) is the first well in a two-well program designed to target two prospects at the Late Cretaceous Waarre Formation level in VIC/P37(v) called Black Watch and Halladale. The two gas exploration wells will utilize the same top hole section and be directionally steered toward their targets. Halladale-1 DW-1 (Location Black Watch) will target the southern prospect first (Black Watch), while the second well, Halladale-1 DW-2, will target the northern prospect (Halladale). On a trouble-free basis, Halladale-1 DW-1 (Location Black Watch) will take approximately two weeks to reach the primary objective.

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

The planned total depth of Halladale-1 DW-1 (Location Black Watch) is 1844 mTVDSS.

Participants in Halladale-1 DW-1 (Location Black Watch) are Origin Energy as operator with 37.5% and Woodside Energy with 62.5%.

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