The Offshore Frontier

ExxonMobil’s Liza-2 well offshore Guyana confirms significant oil discovery

ExxonMobil announced that drilling results from the Liza-2 well, the second exploration well in the Stabroek block offshore Guyana, confirm a world-class discovery with a recoverable resource between 800 million and 1.4 billion oil-equivalent barrels.

“We are excited by the results of a production test of the Liza-2 well, which confirms the presence of high-quality oil from the same high-porosity sandstone reservoirs that we saw in the Liza-1 well completed in 2015,” Steve Greenlee, President of ExxonMobil Exploration Co, said. “We, along with our co-venturers, look forward to continuing a strong partnership with the government of Guyana to further evaluate the commercial potential for this exciting prospect.”

The Liza wells are located in the Stabroek block approximately 120 miles (193 km) offshore Guyana. Data from the successful Liza-2 well test is being assessed.

The Liza-2 well was drilled by ExxonMobil affiliate Esso Exploration and Production Guyana approximately 2 miles (3.3 km) from the Liza-1 well. The Liza-2 well encountered more than 190 ft (58 m) of oil-bearing sandstone reservoirs in Upper Cretaceous formations. The well was drilled to 17,963 ft (5,475 m) in 5,551 ft (1,692 m) of water.

“This exploration success demonstrates the strength of our long-term investment approach, as well as our technology leadership in ultra, deepwater environments,” Mr Greenlee said.

The Stabroek block is 6.6 million acres (26,800 sq km). Esso Exploration and Production Guyana is operator and holds 45% interest in the Stabroek block. Hess Guyana Exploration holds 30% interest, and CNOOC Nexen Petroleum Guyana holds 25% interest.


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