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Guyana rig arrival: ExxonMobil readies drillbit for latest exploration well in prolific basin

Drilling to start ‘imminently” with the drillship now on location at the Kaieteur Block

US giant ExxonMobil is preparing to spin the bit at the Tanager prospect on the Kaieteur Block off Guyana, with the drilling rig now on location.

UK-listed Westmount Energy, which holds an indirect interest in the Kaieteur Block through its minority holding in Ratio Petroleum and Cataleya Energy, revealed on Tuesday that the drillship Stena Carron had arrived on location at the Tanager-1 wellsite.

Drilling is set to start “imminently”, according to Westmount, with the well expected to take about 90 days to drill to a total depth of 8000 metres.

The well, which lies in a water depth of 2900 metres, will target the Upper Cretaceous-aged Maastrichtian layers, with secondary targets in the Campanian, Santonian, Coniacian and Turonian.

An independent Netherland, Sewell & Associates Inc (NASI) in 2019 placed the best estimate unrisked gross prospective oil resource at Tanager at 256.2 million barrels, with an aggregate probability of success of 72%.

ExxonMobil had originally planned to spud Tanager-1 in June, however the well was delayed due to crew restrictions and logistics challenges during the Covid-19 pandemic.

Source: Upstream | This text was excerpted from the media outlet cited on August 11, 2020 and is provided to Noia members for information purposes only. Any opinion expressed therein is neither attributable to nor endorsed by Noia.