Karoon Gas Australia has announced that as at 0600 WDT on 20 January, Grace-1 well in the Browse basin offshore W. Australia, was drilling ahead at 4,844 metres in the 6-1/2″ hole section. The current hole section is expected to contain the primary Lower Plover formation target.
Since the 3rd January 2014 Grace-1 progress report, remanning of rig post tropical Cyclone Christine was completed along with scheduled Blowout Preventer (BOP) testing and minor post cyclone equipment repairs.
On completion of the rig preparation and repairs, drilling from 4,767 metres resumed in the 6-1/2″ hole section. Current well depth is 4,844 metres.
Grace-1 is the fourth well in the current exploration program, located in permit WA-314-P on a separate structural trend to the previously announced Greater Poseidon gas discoveries. The well is located in a crestal position on a large fault block approximately 35 kilometres north of the Poseidon field.
ConocoPhillips is the operator of the jointly held WA-314-P Browse Basin permit in which Karoon Gas Australia Ltd holds 90%. The Transocean Legend semi-submersible rig is drilling the exploration well.
Following the completion of the Grace-1 well and prior to spudding the next well, Poseidon North-1, the Transocean Legend has a one month maintenance period to complete. Poseidon North-1 is the fifth well in the program, located 6.5 km north east of Poseidon-1. The well is located in a crestal position on a large tilted fault block with the primary target being the lover Formation. The secondary target is the Montara Formation.
January 20, 2014