Jadestone takes Ensco jack-up rig for infill drilling on Stag field
Oil and gas company Jadestone Energy has signed a rig contract for infill drilling on the Stag oilfield located offshore Australia.
Jadestone informed on Monday that Ensco Australia had agreed to provide the Ensco 107 jack-up drilling rig to Jadestone, after completion of its current operation in Dampier, Western Australia.
Jadestone intends to drill the Stag-49H well from the Stag wellhead platform, as a horizontal oil producer, targeting unswept pay in the Stag reservoir southwest of the platform. The well will target approximately 1.2 mmbbl of incremental oil reserves from the field.
The company is planning to spud the Stag-49H well in early March 2019 and drilling operations are expected to take approximately 34 days.
Paul Blakeley, President and CEO commented “I am pleased to have signed the rig contract with Ensco to drill Stag-49H, the first infill well at the Stag field since 2013, and an important milestone for the company too.”
The Stag oilfield was acquired by Jadestone through its wholly-owned subsidiary Jadestone Australia on November 11, 2016.
The field was developed using a fixed leg, 12 slot manned central processing facility platform with a liquids production capacity of 50,000 bbl/d, of which 30,000 bbl/d is for oil. This is connected, by an eight inch underwater export pipeline, to a pipeline end manifold and floating storage and offloading vessel (FSO), via a catenary anchor leg mooring buoy. Shuttle tankers transfer the oil from the FSO to shore.
It is worth reminding that the Ensco 107 drilling rig was used last year to drill the Dorado-1 well, which turned out to be one of largest oil discoveries ever on the Australian North West Shelf.