ExxonMobil and Tullow Oil find more oil offshore in Guyana

ExxonMobil and Tullow Oil find more oil offshore in Guyana

ExxonMobil and London independent Tullow Oil both announced oil discoveries offshore Guyana on 16 September, bringing their tallies in the basin to 14 and two, respectively.

ExxonMobil’s Tripletail-1 well on the Stabroek block encountered 33 m of high quality oil-bearing sandstone reservoir, the US major said. Drilled in 2003 m of water, Tripletail-1 is 5 km northeast of ExxonMobil’s Longtail discovery, marking the sixth find in the Turbot area.

“This discovery helps to further inform the development of the Turbot area,” said Mike Cousins, ExxonMobil senior vice president of exploration and new ventures.

Tripletail-1 adds to the previously announced estimated recoverable resource of more than 6 billion BOE on the block. After wrapping up work at Tripletail, the Noble Tom Madden drillship will next drill the Uaru-1 well located 10 km east of ExxonMobil’s Liza field, where production is scheduled to begin next year.

A month after announcing its first discovery off Guyana, Tullow said its Joe-1 well has successfully opened a new Upper Tertiary oil play in the basin and derisked the petroleum system in the west of the Orinduik block. The well, drilled by the Stena Forth drillship to a TD of 2175 m in 780 m of water, encountered 14 m of net oil pay in high-quality oil-bearing sandstone reservoirs of Upper Tertiary age. Tullow said, “a significant number” of Tertiary and Cretaceous prospects have been identified on the Orinduik block, which is west of Liza field.

“The Joe-1 discovery and its surrounding prospects represent another area of significant potential in the Orinduik block, and we are greatly looking forward to the next phase of the program as we continue to unlock the multibillion barrel potential of this acreage,” said Angus McCoss, Tullow exploration director.

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