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ExxonMobil makes fifth oil discovery offshore Guyana

EBR Staff Writer Published 06 October 2017

ExxonMobil has made an oil discovery after drilling its Turbot-1 well off Guyana, encountering an oil reservoir of 75ft.

The latest oil discovery marks the company's fifth in Guyanese waters. The earlier finds were made at Liza, Payara, Snoek and Liza Deep.

Esso Exploration and Production Guyana, a subsidiary of ExxonMobil, found the reservoir to be of high-quality, oil-bearing sandstone in the primary objective.

Located in the southeastern portion of the Stabroek Block, the Turbot-1 well is about 50km from the Liza phase one project.

Turbot-1 was drilled by the Stena Carron drillship to 18,445ft in 5,912ft of water. Upon completion of the well, the drillship will move to the Ranger prospect.

The company plans to drill an additional well on the Turbot discovery next year.

ExxonMobil Exploration Company president Steve Greenlee said: “The results from this latest well further illustrate the tremendous potential we see from our exploration activities offshore Guyana.

“ExxonMobil, along with its partners, will continue to further evaluate opportunities on the Stabroek Block.”

Esso Exploration and Production Guyana is the operator of the 6.6 million acre Stabroek Block and owns a 45% stake in it. Other partners include Hess Guyana Exploration with 30% and CNOOC Nexen Petroleum Guyana with 25%.

In July, ExxonMobil announced that its Payara-2 well in the Stabroek Block encountered 59ft of high-quality, oil-bearing sandstone reservoirs. Payara-2 confirmed the presence of a second giant field in the country after the Liza field.

Following the positive results of the Payara-2 drilling, the company raised the estimated gross recoverable resource for the block to between 2.25–2.75 billion oil-equivalent barrels.