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Vol. 26, No.3 Week of January 17, 2021
Providing coverage of Alaska and northern Canada's oil and gas industry

88 Energy buys Umiat oil fields’ 2 tracts

Ahead of this winter’s Project Peregrine drilling at Merlin and Harrier firm buys NPR-A unit directly to south in bargain deal

Kay Cashman

Petroleum News

88 Energy said Jan. 11 that on Jan. 8 its wholly owned subsidiary Emerald House acquired the Umiat oil field in the National Petroleum Reserve-Alaska from Malamute Energy and Renaissance Umiat. The purchase price was a 4% overriding royalty interest on the two federal leases in the Umiat unit, as well as the “assumption of liability of abandonment” (estimated cost US$1 million) of two Umiat wells - 18 and 23H - drilled by Linc Energy in 2013/2014.

An independent reserve estimate released by Ryder Scott on Dec. 1, 2015, put the gross 2P reserves at 123.7 million barrels of oil. (In 2014 the Umiat-23H well was flow tested at a sustained flow rate of 200 barrels of oil per day with no water and a max daily flow rate of 800 bbl.)

Per 88 Energy there were no 1P reserves estimated because there was no plan of development in place that included all the necessary approvals required to enter the Umiat unit into production. 3P reserves were 57.16 million barrels.

Discovered in 1945 in “shallow Brookian (Nanushuk) sandstones,” Umiat is south of, and adjacent to, the southern boundary of Project Peregrine, where this winter 88 Energy operating subsidiary Accumulate Energy Alaska will be drilling two wells, Merlin 1 and Harrier 1. The wells will be about 6,000 feet deep and target the Nanushuk formation, 88 Energy said in its Jan. 11 announcement.

Merlin is considered a direct analogy to ConocoPhillips’ Willow oil discovery, while ConocoPhillips’ Harpoon prospect is interpreted to lie on the same sequence boundaries as Harrier.

The 17,633-acre Umiat unit was formed in September 2019 with an initial 10-year term and requirements that call for an exploration or appraisal well to be drilled by Aug. 31, 2022.

Umiat full field review

88 Energy said it will “now undertake a full field review to determine at what oil price Umiat may be commercial as a stand-alone development and whether optimization of the previous development plan is possible.” If a discovery is made at Project Peregrine this winter, where the company said drilling is “imminent,” it is expected that “Umiat would contribute significant value to any development.”

Per 88 Energy, oil price assumptions used in Ryder Scott’s independent report were “estimated to average $67.49 a barrel for 2015, $66.03 for 2016, $86.66 for 2017, $89.06 for 2018, $97.51 for 2019, $109.54 for 2020, $112.61 for 2021, $114.92 for 2022, $119.61 for 2023, $124.34 for 2024 and held constant thereafter.”

In 88 Energy’s ASX reporting notes operating costs were assumed to be $15 per barrel, development costs $10.34 per barrel with peak production of 30,000 barrels per day with the “average price received during production” being $109.

Subject to standard regulatory approvals, 88 Energy said it was 100% working interest owner and operator via its fully owned subsidiary Emerald House, and that the two leases in the Umiat unit were AKAA-081726 and AKAA-084141.

The company also noted that the “classification of reserves” was based on data from “14 historical well penetrations in the field and subsequent engineering work. The total plan calls for 35 wells, 24 producers and 11 injectors.”

Finally, the ASX reporting notes made by 88 Energy said numerous environmental and engineering studies have been undertaken to confirm various paths to market with oil sales via the Trans Alaska Pipeline System where crude is predominantly sold based on the Alaska North Slope West Coast oil price.



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Promise of deeper oil in northern lease

An article in the Feb. 2, 2020, edition of Petroleum News, reported that the new Umiat unit not only contained the shallow Umiat oil field, but possibly a deeper oil target in the northern of its two leases.

Discovered in 1945, Umiat was never produced because its reservoir was shallow, partially frozen in permafrost and low pressure.

The field’s distance from infrastructure was also a challenge, but now Umiat sits in a hot location — south of ConocoPhillips’ big Willow discovery and southwest of Oil Search’s even larger Pikka and Horseshoe discoveries.

Because the 12 wells drilled at the prospect between 1945 and 1952 by the U.S. Navy and the two modern wells drilled by former operator Linc Energy in 2013 and 2014, Umiat carried a unique public record of reserve estimates over the 70 years since its discovery.

In 2015, Ryder Scott estimated 2P reserves of nearly 99 million barrels of oil equivalent at the shallow Umiat field — down from 154.6 million in its previous report before oil prices tanked.

In a Jan. 16, 2020, letter, then Umiat operator Malamute Energy President Leonard Sojka said the company’s focus since acquiring Umiat in 2016 had been to de-risk technical challenges in the field, “in hopes of attracting an oil industry partner.”

Malamute conducted a multidisciplinary reservoir workshop and extensive tests on Umiat oil and those tests, he said, “confirmed that both the gasoline and the diesel fractions are low in total sulfur and have less than detectable readings for dibenzyl disulfide,” making Umiat oil a good candidate for producing and selling ultra-low sulfur fuels to the North Slope market.

Malamute completed a total of three technical studies with the University of Alaska Anchorage.

Anadarko seismic lines

Anadarko Petroleum saw promise in the area in 2002, having conducted two proprietary seismic seasons and three field seasons as part of an assessment of the Brooks Range Foothills petroleum system.

“Seismic line across Umiat show hydrocarbons are reservoired in both the hanging wall and the foot wall of the structures,” Anadarko’s Greg Hebertson said.

“The seal capacity of traps — data from Umiat wells and field work and based on our analysis … show the seals are there and certainly capable of holding large hydrocarbon columns.”

Sojka also said Malamute was looking to find deeper oil at Umiat.

Paul Craig, who won the northernmost lease with a partner in a June 2002 federal lease sale, said Jan. 29, “when we purchased it our geological thinking was that the oil in the permafrost at Umiat was seepage from an oil field deep and to the north.”

—KAY CASHMAN

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