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ExxonMobil makes 13th oil discovery offshore Guyana

  • Written by wiredja.com - News Team
  • Published in Energy
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Featured The Noble Tom Madden Drillship next drill the Hammerhead-2 well. Elsewhere on the block, the Stena Carron drillship is completing a well test at the Longtail-1 discovery and, upon completion, will drill the Hammerhead-3 well. The Noble Tom Madden Drillship next drill the Hammerhead-2 well. Elsewhere on the block, the Stena Carron drillship is completing a well test at the Longtail-1 discovery and, upon completion, will drill the Hammerhead-3 well.
NEW YORK--(BUSINESS WIRE)--Hess Corporation (NYSE: HES) today announced a new discovery offshore Guyana at the Yellowtail-1 well, marking the 13th discovery on the Stabroek Block. The discovery adds to the previously announced estimated gross discovered recoverable resource of more than 5.5 billion barrels of oil equivalent on the Stabroek Block.

“Yellowtail marks the 13th significant discovery on the Stabroek Block,” said CEO John Hess. “As the fifth discovery in the greater Turbot area, it underpins another major development hub.”

Yellowtail-1 encountered approximately 292 feet (89 meters) of high-quality oil-bearing sandstone reservoir and was drilled to a depth of 18,445 feet (5,622 meters) in 6,046 feet (1,843 meters) of water. The well is located approximately 6 miles (10 kilometers) northwest of the Tilapia discovery. The Noble Tom Madden began drilling the Yellowtail well on March 27. It will next drill the Hammerhead-2 well.

Exploration and development activities continue at other locations on the Stabroek Block. The Stena Carron is currently completing a well test at the Longtail-1 discovery and upon completion will next drill the Hammerhead-3 well.

Later in 2019, the Stena Carron will drill a second well at the Ranger discovery. The Noble Bob Douglas drillship is currently completing development drilling operations for the Liza Phase 1 development. The operator is also evaluating plans to add another exploration drillship, bringing the number of drillships offshore Guyana to four.

Previous discoveries on the Stabroek Block established the potential for at least five floating production, storage and offloading (FPSO) vessels producing more than 750,000 barrels of oil per day by 2025. Startup of the Liza Phase 1 development is on track to begin by the first quarter of 2020 and will produce up to 120,000 gross barrels of oil per day utilizing the Liza Destiny FPSO, which is expected to arrive in country in the third quarter.

Liza Phase 2 is expected to startup by mid-2022. A final investment decision is expected soon subject to government and regulatory approvals. Upon approval, the project will use the Liza Unity FPSO to produce up to 220,000 gross barrels of oil per day. Sanctioning of a third development, Payara, is also expected in 2019, with startup projected in 2023.

The Stabroek Block is 6.6 million acres (26,800 square kilometers). ExxonMobil affiliate Esso Exploration and Production Guyana Limited is operator and holds 45 percent interest in the Stabroek Block. Hess Guyana Exploration Ltd. holds 30 percent interest and CNOOC Petroleum Guyana Limited, a wholly-owned subsidiary of CNOOC Limited, holds 25 percent interest.

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