Noble Energy started drilling on the potentially play-opening Humpback prospect in the south Falklands basin on Saturday, according to partner Falkland Oil and Gas (FOGL).
According to Noble, Humpback holds 250 MMbbl estimated gross mean unrisked resources in a billion-barrel plus petroleum system in the Fitzroy sub-basin. FOGL says Humpback could contain an estimated 510 MMbbl mid-case gross unrisked prospective resources, with the Diomedea fan complex in the Fitzroy sub-basin potentially containing more than 1.7 billion bbl mid-case gross prospective resources. The firm says a successful well on Humpback would prove a new geological play concept within the South and East Falkland basins.
The Humpback well, being drilled using the Eirik Raude semisubmersible drilling rig, in about 4170ft (1260m) water depth, is due to be drilled to a total depth of 17,550ft (5350m). Drilling is expected to take about 65 days.
The well, on license PL012, will be Noble's first in the Falklands in this latest drilling campaign, which started early 2015 and has already netted fellow explorer Premier Oil two discoveries - Zebedee and Isobel Deep, in the North Falkland Basin. Five to six wells are planned in the campaign, with Premier Oil and Noble Energy sharing the Eirik Raude drilling rig.
Noble Energy plans to spud the Rhea prospect in the North Falklands Basin near the Sea Lion discovery by the end of 2015, as part of the campaign.
Noble operates the Humpback well with 35% interest, with partners FOGL (52.5%) and Edison (12.5%).
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