Brookside Energy (ASX:BRK) Progresses Multi-Well Development at Suttles Pad

Sonal Goyal

05 August 2026 10:17 AM AEST

Brookside Energy (ASX:BRK) Progresses Multi-Well Development at Suttles Pad

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Key Highlights

Brookside Energy Limited (ASX:BRK) has successfully completed drilling and casing operations at the Sabres well.
The Whalers well has been successfully spudded and is currently drilling the surface-hole section.
Both wells form part of the Suttles pad development program in the SWISH Area of Interest in Oklahoma's Anadarko Basin.
Simultaneous fracture stimulation activities are planned once drilling and casing are completed on both wells.

Brookside Energy Limited (ASX:BRK) has provided an operational update on its Suttles pad development program in the SWISH Area of Interest within Oklahoma's Anadarko Basin. The company confirmed that drilling and casing activities have been successfully completed at the Sabres 2-1-1S-3W SXH1 well, while drilling has commenced at the adjacent Whalers 2-1-1S-3W WXH2 well.

The latest update marks another stage in the development of the two-well program announced in July 2026, with operations progressing according to the planned execution schedule.

Sabres Well Reaches Planned Total Depth

The Sabres well has reached its planned total measured depth of approximately 14,200 feet after successfully drilling the lateral section within the targeted Sycamore Formation.

Following completion of drilling, Brookside installed a 5½-inch production casing string, which was run to the bottom of the well, cemented in place and pressure tested. According to the company, the successful pressure test confirmed the integrity of the casing installation, completing the drilling and casing phase for the well.

The completion of these activities represents an important operational milestone before the well proceeds to the next stage of development.

Whalers Well Commences Drilling Operations

After completing operations at Sabres, Kenai Rig 18 moved across the Suttles pad to begin drilling the Whalers well.

Brookside confirmed that the Whalers 2-1-1S-3W WXH2 well has been successfully spudded and is currently drilling through the surface-hole section. The well is targeting the Woodford Formation, another established reservoir interval within the Anadarko Basin.

Once drilling and casing activities are completed at Whalers, both wells are scheduled to enter simultaneous fracture stimulation operations as part of the overall pad development program.

Integrated Pad Development Strategy

The Sabres and Whalers wells comprise Brookside's Suttles pad development, an approach that allows multiple wells to be drilled from a single surface location.

Pad development can improve operational efficiency by reducing rig relocation time and enabling consecutive drilling activities before shared completion operations are undertaken. In this case, the drilling rig transitioned directly from Sabres to Whalers after completing casing operations, allowing the development schedule to continue with minimal interruption.

Brookside holds an approximate 70% working interest in both wells, providing the company with substantial participation in the project.

Focus on Operational Execution

Managing Director and Chief Executive Officer David Prentice said the successful completion of the Sabres drilling phase significantly reduces operational risk associated with the drilling program.

He also noted that the immediate transition to the Whalers well reflects the planned execution strategy for the Suttles pad, with an emphasis on maintaining efficient operations, managing costs and progressing both wells toward production.

The company indicated that its operational priorities remain centred on safe execution, disciplined project delivery and bringing both wells online following completion activities.

Brookside's Operations in the Anadarko Basin

Brookside Energy is a U.S.-focused oil and gas producer with operations concentrated in Oklahoma's Anadarko Basin. The company has established a position within the SWISH Area of Interest, where it is pursuing a development strategy focused on expanding production through multi-well drilling programs and disciplined capital allocation.

The Anadarko Basin is one of North America's established hydrocarbon-producing regions, with the Sycamore and Woodford formations representing key targets for horizontal drilling and completion activities.

Conclusion

Brookside Energy Limited's (ASX:BRK) latest operational update highlights continued progress at its Suttles pad development in Oklahoma. With the Sabres well successfully drilled, cased and tested, and the Whalers well now underway, the company has advanced another stage of its planned two-well development program. The upcoming fracture stimulation phase will represent the next milestone as Brookside continues executing its development strategy within the SWISH Area of Interest.

FAQs

Q: What has Brookside Energy announced?

A:Brookside Energy announced that the Sabres well has been successfully drilled and cased, while drilling has commenced at the Whalers well.

Q: Where are the Sabres and Whalers wells located?

A:Both wells are located on the Suttles pad within the SWISH Area of Interest in Oklahoma's Anadarko Basin.

Q: What formation does the Sabres well target?

A:The Sabres well was drilled through the targeted Sycamore Formation.

Q: What is the next stage of the development program?

A:After the Whalers well is drilled and cased, both wells are expected to undergo simultaneous fracture stimulation operations.

Q: What is Brookside Energy's working interest in the project?

A:Brookside Energy holds an approximate 70% working interest in both the Sabres and Whalers wells.

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