Scalybutt-1 is designed to test the presence of hydrocarbons in the western flank of the producing Woollybutt Oil Field which was discovered in 1997.

The Scalybutt-1 well is expected to take 30 days to reach its prognosed total depth.

As an update on production, the Woollybutt Oil Field is currently producing at around 32,000 bopd.

Located 50km southwest of Barrow Island and 42km northeast of the Griffin oil field, the 'Four Vanguard' is operating the Woollybutt-2AST3 and Woollybutt-1ST1 wells, with an estimated proven and probable recoverable reserves around 25 million barrels.

WA-25-L Joint Venture participants are Tap Oil 15%, ENI Australia (Operator) 65% and Mobil Australia Resources Company 20%.