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ExxonMobil makes second deepwater oil discovery offshore Guyana

 ExxonMobil has discovered another deepwater oil field in the Stabroek block offshore Guyana, according to partner Hess.

The drillship Stena Carron drilled the Payara-1 well roughly 10 mi (16 km) northwest of the Liza discovery, encountering more than 95 ft (29 m) of good-quality, oil-bearing sandstone reservoirs.

Drilling started on Nov. 12, 2016, with a TD of 18,080 ft (5,512 m) in 6,660 ft (2,030 m) of water, followed by two side tracks. The partners plan a production test to evaluate the find and further appraisal drilling later this year.

Hess added that the Liza-3 appraisal well, completed in November, identified another good-quality, deeper reservoir directly below the Liza field that is estimated to contain 100-150 MMboe. This resource will likely be part of the full Liza field development.

John Hess, CEO of Hess, said: “While further appraisal is required, we believe that the resources recently discovered are significant and will be accretive to the more than 1 Bboe already confirmed at the Liza discovery.”

On completion of operations at Payara-1, the Stena Carron will transfer to spud the Snoek exploration prospect, 6 mi (10 km) south of Liza-1.