Hammerhead-1 is located approximately 13 miles (21 kilometers) southwest of the Liza-1 well and follows previous discoveries on the Stabroek Block at Liza, Liza Deep, Payara, Snoek, Turbot, Ranger, Pacora and Longtail. Those previous discoveries led to the announcement of an estimated recoverable resource of more than 4 billion oil-equivalent barrels discovered to date. Image: ExxonMobil

Opens up a 10Bb oil province

A new Tertiary play offshore Guyana opens the pathway for the emergence of a possible 10 billion barrel plus province.

On August 30. Exxon announced the ninth discovery offshore Guyana at the Hammerhead-1 well, adding to the resource base of 4 billion barrels of oil equivalent found since the Liza discovery in 2015, according to Westwood Global Energy Group.

The new Tertiary play opens the pathway for the emergence of a possible 10 billion barrel plus province, second only in its scale as a new emerging province this century to the Pre-Salt of Brazil.

This scale of resource could support a plateau production level of over a million barrels a day for a decade or more.

ExxonMobil initiated oil and gas exploration activities in Guyana in 2008, collecting and evaluating substantial 3-D seismic data that led to the company safely drilling its first exploration well in 2015, Liza-1.

Liza is expected to be onstream in 2020 and there was already the potential for Guyana to reach 750 thousand barrels a day by 2025.

The significance of Hammerhead is that it opens a new play in sandstone reservoirs of Tertiary age, younger and distinct from the previously successful Cretaceous aged reservoirs in the Liza sandstone play and Ranger carbonate plays.

Hammerhead-1 encountered approximately 197 feet (60 meters) of high-quality, oil-bearing sandstone reservoir. The well was safely drilled to 13,862 feet (4,225 meters) depth in 3,373 feet (1,150 meters) of water. The Stena Carron drillship began drilling on July 27, 2018. Hammerhead-1 is located approximately 13 miles (21 kilometers) southwest of the Liza-1 well and follows previous discoveries on the Stabroek Block at Liza, Liza Deep, Payara, Snoek, Turbot, Ranger, Pacora and Longtail.

 

 

 

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