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ExxonMobil's Pluma-1 well off Guyana encountered 37 m of high-quality hydrocarbon-bearing sandstone reservoir, marking the firm's 10th discovery in South America's newest oil powerhouse. Located 27 km south of the Turbot-1 discovery on the southeast portion of the 26,800-sq-km Stabroek Block, Pluma-1 was drilled to 5,013 m in 1,018 m of water by the Noble Tom Madden drillship, which spudded the well 1 November. The major now estimates that its discovered recoverable resources for the block total 5 billion BOE, up 1 billion BOE from its previous estimate made over the summer, around the time that it announced its eighth discovery, Longtail, also on the southeast part of the block. Its ninth discovery came via the Hammerhead-1 well to the west. ExxonMobil's offshore Guyana operations, which may eventually produce more than 1 million B/D of oil, best compares with the Lula-Iracema area in Brazil's deep waters, said research and consulting firm Wood Mackenzie.
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.
ExxonMobil's Yellowtail-1 well on the Stabroek Block offshore Guyana encountered 89 m of "high-quality, oil-bearing sandstone," the major said, bringing its discovery count in Latin America's emerging oil powerhouse to 13. Located 10 km northwest of the Tilapia discovery, the Yellowtail-1 was drilled by the Noble Tom Madden drillship to 5,622 m in 1,843 m of water. Yellowtail-1 is the fifth discovery in the Turbot area--which includes the Tilapia, Turbot, Longtail, and Pluma discoveries--where ExxonMobil plans another Stabroek Block development hub. Yellowtail-1 adds to the 5.5 billion BOE in estimated recoverable resources on the block. "Similar to the Liza area, successive discoveries in the Turbot area have continuously grown its shared value," said Mike Cousins, senior vice president of ExxonMobil Exploration and New Ventures. The Noble Tom Madden will next drill the Hammerhead-2 well.
Blacktip: Shell’s New Discovery in the Gulf of Mexico
The newest deepwater find in the Gulf of Mexico will be known as Blacktip. It is located about 250 miles south of Houston in about 6,200 ft of water.
Shell announced the discovery in late April, calling it the “second material discovery” in what the firm terms the “Perdido Corridor,” according to Andy Brown, Shell’s upstream director.
A company statement highlighted that the exploratory well intersected more than 400 ft of reservoir pay zone in the prolific Wilcox formation. The deepwater operator is still evaluating and appraising the field as drilling continues to define the reservoir’s extent.
Chinese-Owned Operator Claims Longest Permian Lateral
Chinese-owned, Houston-based Surge Energy reported that its subsidiary, Moss Creek Resources, drilled the Medusa Unit C 28-09 3AH well in the West Texas Permian Basin to a TMD of 24,592 ft, with a total horizontal displacement of 17,935 ft, or 3.4 miles.
Latshaw Drilling & Exploration’s Rig 10 drilled the well, which stayed 100% in zone of the Wolfcamp A formation, over 18 days from surface to total depth utilizing conventional mud motor and measurement-while-drilling technology. It is the longest known lateral in the Permian based on the IHS and Drillinginfo databases, Surge said.
Murphy Oil to Buy Deepwater US Gulf Assets for up to $1.625 Billion
Murphy Oil has agreed to acquire deepwater US Gulf of Mexico assets from LLOG Exploration for up to $1.625 billion. The deal will result in the El Dora-do, Arkansas-based Murphy adding 32,000–35,000 BOE/D net to its 2019 US gulf production, of which 60% will be oil, bringing its total US gulf output to 85,000 BOE/D net. The gulf will represent 66% of the company’s total daily production.
“With this transaction, Murphy becomes the eighth-highest producer in the Gulf of Mexico. Only a year ago, they were No. 20,” said Imran Khan, senior research manager, US Gulf of Mexico upstream oil and gas, at consultancy Wood Mackenzie, in comments on the deal.
ExxonMobil’s Guyana Offshore Discovery Count Rises to 13
ExxonMobil’s Yellowtail-1 well on the Stabroek Block offshore Guyana encountered 89 m of “high-quality, oil-bearing sandstone,” the major said, bringing its discovery count in Latin America’s emerging oil powerhouse to 13.
Located 10 km northwest of the Tilapia discovery, the Yellowtail-1 was drilled by the Noble Tom Madden drillship to 5,622 m in 1,843 m of water. Yellowtail-1 is the fifth discovery in the Turbot area—which includes the Tilapia, Turbot, Long-tail, and Pluma discoveries—where ExxonMobil plans another Stabroek Block development hub. Yellowtail-1 adds to the 5.5 billion BOE in estimated recoverable resources on the block.
Majors, IOCs Win Blocks in Argentine Offshore Bid Round
Thirteen companies placed bids on 18 blocks in the Austral, North Argentina, and Malvinas West basins as part of Argentina’s first open bid round for offshore acreage in more than 20 years.
Nearly every major came away with blocks while other international oil companies and South American-focused operators also gained acreage, pushing total bids to almost $1 billion. Among them, Equinor took seven blocks, Qatar Petroleum (QP) received five, and ExxonMobil counted three. Other companies receiving tenders were Total, Shell, BP, Eni, Wintershall, Tullow, Mitsui, YPF, Pluspetrol, and Tecpetrol.
ExxonMobil said it has "encountered 78 m of high-quality oil-bearing sandstone reservoir" near the Turbot discovery southeast of the Liza field offshore Guyana. The supermajor's eighth discovery in the burgeoning oil province could bring about a new development opportunity in the southeast portion of the 26,800-sq-km Stabroek Block. The first phase of development drilling on Liza field began in May. The Longtail-1 discovery well was drilled to 5,504 m in 1,940 m of water by the Stena Carron drillship, which spudded the well on 25 May. It is the second discovery in that area after the Turbot discovery of late 2017.