AWE’s Dunsborough-1 discovers oil AWE, reports that the Dunsborough-1 exploration well, in WA-286-P, in the offshore Perth Basin, has been drilled to a total depth of 1,755 metres and has been classified as a new field oil and gas discovery. Preliminary interpretation of the comprehensive electric logging suite, including the collection of fluid samples, suggests that the well has drilled a minimum 25 metre gross hydrocarbon column of which approximately 18 metres is net pay. The accumulation appears to have a small (< 13 metres) gross gas column above an oil column containing light oil (approximately 40 deg API) in sands of poor to moderate reservoir quality. Pressure data indicate that the total gross hydrocarbon column associated with the Dunsborough structure may be up to 70 metres. Tentative volumetric estimates by the Operator suggest that the structure could contain between 20 and 40 million barrels of oil in - place. As of 0600 hours today, the current operation at Dunsborough-1 was preparing to plug and abandon the well in accordance with the pre-drill schedule. Dunsborough-1, located approximately 25 km south of Geraldton, Western Australia and about 50 km northwest of the Cliff Head Oil Field, is the final well in an offshore Perth Basin drilling programme which was initiated in early April.
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