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Carnarvon Petroleum provides Dorado-1 drilling update

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Oilfield Technology,

Carnarvon Petroleum Limited has provided the following update on the drilling at the Dorado-1 well.


The well has been drilled in the 12 ¼ in. hole section to the depth of approximately 3637 m MD.

Forward Plan

Run and cement the 9 5/8 in. liner then drill the 8 1/2 in. into the primary Caley Member target.

Well Objective

The primary objective for the Dorado-1 well is to assess the gas and liquids potential in the Caley Member with the well being less than 20 km from and updip of the successful Roc-1 and Roc-2 wells.

The Dorado structure at the Caley interval is estimated to contain a gross mean recoverable prospective resource of 545 billion ft3 of gas and 30 million bbls of associated condensate (being 125 million boe, gross, Pmean). Multiple secondary targets have been identified by Carnarvon in the Crispin and Milne Members and these will also be assessed by the Dorado-1 exploration well.

Prospective Resources are the estimated quantities of petroleum that may potentially be recovered by the application of a future development project and may relate to undiscovered accumulations. These prospective resource estimates have an associated risk of discovery and risk of development. Further exploration (this well) and appraisal is required to determine the existence of a significant quantity of potentially moveable hydrocarbons.

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