Cores show promise on new play off W. Australia

Click here to enlarge imageA group led by a unit of Apache Corp., Houston, said analysis of core samples from the Tusk 1 oil discovery has validated a new play concept in the offshore Carnarvon basin of western Australia.Tusk is on the WA-246-P Permit. The well was drilled in September, and the companies involved just completed a core analysis from Athol formation reservoirs. The results confirm earlier log data and indicate the oil-bearing, fine-grained sandstones have good reservoir characteristics with 21-29% porosities and fair to good permeability.Three oil-bearing sandstones (6.6 m, 12 m, and 6 m) were intersected in Athol, and a separate 8.5 m oil column was intersected at the to...

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