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Scalybutt-1H was sidetracked from the previously drilled Scalybutt-1 step-out well and drilled to a total depth of 3,274 metres measured depth.
The well is located in WA-25-L in Western Australia's Carnarvon Basin. It is in the northern lobe of the Woollybutt Oil Field, about 1.6km west of the Woollybutt-2AST1 production well and south-west of Barrow Island.
After being completed as a production well, it was flowed for about 20 hours to remove the completion fluids and clean up the well, Tap said.
The operator, Eni Australia, estimated that the clean-up flow achieved a maximum rate of around 7,500 – 8,000 bopd of clean oil through a 60/64-inch choke which was in line with expectations.
Scalybutt-1H is now suspended and ready to be connected to the existing Woollybutt FPSO production facility via the Woollybutt-2 manifold.
This now requires a subsea flowline and associated umbilicals to be installed. Tap said this was expected to be completed by July 2005 at which time the well would be able to contribute to production from the northern lobe of the Woollybutt Oil Field.
Eni Australia Limited (Operator) 65.00%, MOBIL Australia Resources Co. Pty. Ltd. 20.00% and Tap Oil Limited 15.00%
