Viosca Knoll

Operating Multiple Viosca Knoll Prospects

The Virgo field was discovered by Total E&P in 1997. The field, consisting of Viosca Knoll blocks 822 and 823, is producing from a single fixed leg production platform located in block 823. W&T Offshore acquired a 64% working interest in the field from Total E&P in 2010 and is the operator of the field.

The Tahoe and SE Tahoe fields were discovered by Shell in 1984 and 1996, respectively. The fields, consisting of Vioska Knoll blocks 783 and 784, are both producing through subsea tiebacks to two platforms located in Main Pass 252. W&T Offshore acquired a 70% working interest in Tahoe and a 100% working interest in SE Tahoe from Shell in 2010. W&T is the operator of both fields.

Viosca Knoll 823 (Virgo)

The Virgo field is a supra-salt development with 17 productive reservoirs at depths ranging from 6,632 feet to 13,335 feet. At the end of 2018, 16 wells and one sidetrack have been drilled resulting in 13 successful wells.

Key Statistics

35%

Percent oil and NGLs of year end 2022 proved reserves

497 Boe/d

1Q 2023 average daily equivalent sales rate (net)

Viosca Knoll 783 (Tahoe)

The Tahoe field is a supra-salt development with two productive reservoirs at depths ranging from 8,200 to 10,600 feet. The Tahoe field is also a supra-salt development with one productive reservoir at a depth of 9,325 feet. At the end of 2018, 16 wells have been drilled at Tahoe resulting in 8 successful wells. One successful well has been drilled at the Tahoe field.

Key Statistics

25%

Percent oil and NGLs of year end 2022 proved reserves

413 Boe/d

1Q 2023 average daily equivalent sales rate (net)