Sagebrush Stimulation and Operations Update

Quantum Helium nears major field test at Sagebrush-1 with 2.5% helium confirmed.

What the company is saying

Quantum Helium Limited is emphasizing that it has completed the substantial engineering and operational planning needed for a larger-volume fracture stimulation at Sagebrush-1 in Colorado, where it owns a 90% working interest. The company highlights that the upcoming programme, targeted for November 2026, is designed to improve reservoir connectivity and unlock stronger, more sustainable helium-bearing gas flows. Management underscores the technical expertise involved, noting collaboration with experienced US fracture stimulation engineers and the completion of contractor and equipment arrangements. The announcement stresses that the initial extended production test confirmed helium-bearing gas at approximately 2.5% helium, providing a foundation for the next phase. CEO Howard McLaughlin frames the programme as a critical step toward commercial development, expressing confidence in the engineering work and the scale of the reservoir. The tone is positive and forward-looking, with repeated references to the importance of the upcoming operations and the company’s readiness to execute.

What the data suggests

The company holds a 90% working interest in Sagebrush-1, a helium discovery in Colorado. The only quantitative reservoir data disclosed is a helium concentration of approximately 2.5% from an initial extended production test. Engineering and operational planning for a larger-volume, propped fracture stimulation programme are now substantially complete, with field operations targeted to commence in November 2026. The company is finalizing technical and logistical arrangements, including contractor and equipment mobilization. No actual production rates, financial figures, or cost estimates are provided. The announcement’s claims about improved flow rates and broader reservoir access remain unproven until post-stimulation data is available. The disclosure is operationally specific but does not provide evidence of commercial viability or financial trajectory. The current facts show technical progress and imminent field activity, but the value proposition is still contingent on future results.

Analysis

The announcement is operationally detailed and positive in tone, highlighting substantial completion of engineering and planning for a major stimulation programme at Sagebrush-1, with field operations targeted for November 2026. While the company has confirmed a 2.5% helium concentration from prior testing and a 90% working interest, the majority of key claims are forward-looking—focused on the anticipated benefits of the upcoming stimulation (improved flow rates, broader reservoir access, and commercial development potential). No production, revenue, or profitability data are disclosed, and the actual impact of the planned operations remains unproven until post-November 2026. The language is somewhat promotional, emphasizing engineering expertise and the scale of the opportunity, but the core operational facts are credible. The capital intensity flag is set due to the significant contractor and equipment arrangements underway, with no immediate earnings impact. Overall, the gap between narrative and evidence is moderate: the company is progressing, but the main value proposition is still to be demonstrated.

Risk flags

• ●Operational execution risk is significant, as the success of the larger-volume fracture stimulation depends on effective implementation and the actual response of the Leadville reservoir. If the stimulation fails to deliver improved or sustainable flow rates, the commercial case for Sagebrush-1 may be undermined.
• ●There is a data risk: the only quantitative evidence disclosed is a 2.5% helium concentration from a prior test, with no production rates or economic metrics. Investors have no visibility into the potential scale or profitability of the project until post-stimulation results are reported.
• ●Capital intensity risk is present, with the company finalizing arrangements for specialist contractors, high-pressure equipment, and associated services. These activities may require significant upfront expenditure before any revenue is generated, increasing financial exposure if operational results disappoint.

Bottom line

Quantum Helium is entering the final preparation phase for a major fracture stimulation at Sagebrush-1, where it holds a 90% working interest and has confirmed 2.5% helium in initial tests. The company has completed engineering and operational planning, with field operations set to begin in November 2026. While technical progress is clear, the announcement provides no production or financial metrics, so the commercial impact remains unproven. The key near-term catalyst will be the results of the upcoming stimulation and flow testing, which will determine whether Sagebrush-1 can deliver sustainable helium production. Investors should focus on the delivery of measurable flow rates and any subsequent commercial milestones. The most important takeaway is that the project's value will hinge entirely on operational outcomes expected in the coming months.

Announcement summary

(AIM:QHE) Quantum Helium Limited provided an update on the preparations for the next phase of stimulation and flow testing at its Sagebrush-1 helium discovery in Colorado, USA, where the company holds a 90% working interest. The detailed engineering and operational planning for a larger-volume, propped fracture stimulation programme is now substantially complete, with final treatment parameters being refined by experienced US fracture stimulation engineers. The programme is designed to improve reservoir connectivity and establish stronger, more sustainable helium-bearing gas flow rates. The treatment aims to access a broader section of the Leadville Formation, including potential connectivity with the deeper Lower Leadville dolomite. Quantum is completing contractor and equipment arrangements, including specialist pumping services, high-pressure tubing, water handling, and associated surface equipment. Final operational preparations are underway ahead of targeted field operations commencement in November 2026. Following the initial extended production test, Sagebrush-1 confirmed helium-bearing gas at approximately 2.5% helium. Quantum has undertaken a comprehensive engineering review to optimise the next phase of stimulation at Sagebrush-1. The larger-volume, propped fracture stimulation programme is designed to create and maintain conductive pathways within the Leadville reservoir, improving access to the helium-bearing formation and supporting stronger, sustained gas flow. The company is working closely with specialist fracture stimulation engineers to complete the final treatment specifications. Arrangements for high-pressure pumping operations, pressure-tested tubing, and associated surface equipment are being finalised to ensure the appropriate resources and equipment are in place. The primary objective is to demonstrate improved, sustainable flow rates from Sagebrush-1, providing the production data required to assess the next stage of commercial helium development. Operations remain targeted for November 2026, subject to final operational scheduling and equipment availability. Howard McLaughlin, Chief Executive Officer of Quantum Helium, stated that extensive engineering work has been undertaken alongside highly experienced fracture stimulation specialists to design a treatment that gives the best opportunity to establish stronger, sustainable gas flow rates from the Leadville reservoir. The company has already confirmed the presence of helium and demonstrated the scale of the reservoir structure. The focus is now on applying the appropriate engineering solution to improve reservoir connectivity and establish the flow characteristics required to advance Sagebrush towards commercial development. With the principal engineering work substantially complete, Quantum is finalising the equipment, contractor, and operational arrangements required to execute the programme.

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