Noble rig mobilized to drill Dorado well for Santos

  • Exploration & Production

The Noble Tom Prosser jack-up drilling rig has mobilized from the Corvus-2 well location to the Dorado-2 well location located offshore Australia. 

MMA Coral and Noble Tom Prosser rig. Source: MMA Offshore

Earlier in April, Santos drilled the Corvus-2 appraisal well confirming “a significant gas resource” in the Carnarvon Basin, offshore Western Australia. The well, located in petroleum permit WA-45-R, in which Santos has a 100 percent interest, is approximately 90 kilometers northwest of Dampier.

The Dorado well is located in WA-437-P where Santos is the operator and Carnarvon Petroleum holds a 20% interest.

Noble Tom Prosser jack-up drilling rig is now close to being on the Dorado-2 well location, Carnarvon said on Monday.

The Dorado-2 well is the first appraisal of the significant Dorado discovery that was drilled in the second half of 2018.

The well is planned as a down-dip appraisal well to delineate the hydrocarbon contacts in the Caley, Baxter and Milne Members of the Lower Keraudren Formation. Carnarvon said that the results from this well will be used to increase subsurface certainty and provide additional comfort that the Dorado structure has sufficient hydrocarbons to support a development.

The Dorado-2 well is located approximately 160km north-northeast of Port Hedland in the Bedout Sub-basin. Drilling is in approximately 95 meters water depth with the Dorado-2 location being around 2.2km from the Dorado-1 location.

Following the Dorado-2 well, the rig is scheduled to drill the near-field exploration well Roc South-1 with the Dorado-3 appraisal well to immediately follow the Roc South-1 well.

Managing Director, Adrian Cook, said: “We expect the 2019 drilling program to be the most significant in the company’s history with three important wells designed to solidify the case for a substantial oil and gas development.”

Map of WA-437-P showing the Dorado field. Source: Carnarvon

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