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Exxon Mobil said on 15 January that its latest exploration well in the prolific Stabroek Block off Guyana's coast did not find oil in its target area. Exxon, which operates the Stabroek Block in a consortium with Hess and China's CNOOC, has made 18 discoveries in the area in 5 years, totaling more than 8 billion BOE, for a combined potential for producing up to 750,000 B/D of crude. The Hassa-1 exploration well was the giant's second setback to its drilling campaign in recent months. The disappointment came after Exxon said in November that its crude discovery at the Tanager-1 well was noncommercial as a standalone development. The well was the first Exxon drilled in the Guyana-Suriname Kaieteur Block, adjacent to Stabroek, and was the deepest drilled in that block to date.
Uaru is the name of ExxonMobil's 16th discovery in the waters offshore Guyana. The Uaru well is found within the Stabroek Block and is located about 10 miles to the northeast of the Liza field, which achieved first production in December. ExxonMobil reports that it found 94 ft of oil-bearing sandstone reservoir while drilling the well in a water depth of 6,342 ft. The international major also announced that the 15 discoveries it made prior hold an estimated 8 billion BOE--an increase of 2 billion BOE from its previous estimate. ExxonMobil did not break down the figure into estimated quantities of crude or natural gas.
ExxonMobil has made a final investment decision (FID) for the second development phase of the Liza field on the Stabroek Block offshore Guyana. Expected to start up in mid-2022, Liza Phase 2 will produce up to 220,000 B/D of oil. The major is proceeding with the project after receiving government and regulatory approvals. As with Liza Phase 1, the second phase will utilize a floating production, storage, and offloading (FPSO) vessel, which will be named Liza Unity. Six drill centers are planned with a total of 30 wells, including 15 production wells, nine water injection wells, and six gas injection wells.
ExxonMobil has started production from the Liza field offshore Guyana, less than 5 years after its initial discovery. Operator ExxonMobil said in a statement that production from the first phase of the field, located in the Stabroek Block, is expected to reach full capacity of 120,000 BOPD in the coming months, and the first cargo is set to be sold within several weeks. "This historic milestone to start oil production safely and on schedule demonstrates ExxonMobil's commitment to quality and leadership in project execution," said ExxonMobil chairman and CEO Darren Woods. The concept design for Liza Phase 1 featured the Liza Destiny FPSO vessel moored 118 mi (190 km) offshore Guyana, and 4 subsea drill centers supporting 17 wells. A second FPSO, Liza Unity, is under construction to support Phase 2 of the Liza development.