Highlights
- Completed third and final horizontal well, concluding the drilling program at the Disley Initial Production Module;
- All five wells are now complete, comprising two vertical wells and three horizontal wells, and the full subsurface foundation for Buffalo’s HLD mining method is in place as designed;
- Each of the three horizontal wells made contact with approximately 95% of the target clay seam, with packer systems installed along all three wells as planned; and
- Completions and equipping operations will commence shortly to connect all of the wells and prepare for well clean-up.
Buffalo Potash Corporation (TSXV: BUFF) (OTCQB: BLPTF) (FRA: VU5) (the “Company” or “Buffalo“) is pleased to announce that it has completed the third and final horizontal well (the “1D15-10 Well” or the “Injector Well“) at the Initial Production Module (“IPM“), located at the Company’s flagship Disley property in Saskatchewan (the “Disley Project“).
With the Injector Well complete, all five wells at the IPM are now in place and the subsurface infrastructure required to operate Buffalo’s patented Horizontal Line-Drive (“HLD”) mining method has now been successfully installed as designed:
- Two vertical wells, the 15-10 source well (“Source Well”) and the 2-14 disposal well (“Disposal Well”); and
- Three horizontal wells, which will form the IPM’s solution mining plane.
Mr. Quinton Hardage, P.Eng., PMP, President and Chief Operating Officer of the Company, commented: “Today we are closing out the drilling program exactly as we planned it. We drilled five wells and landed three horizontal laterals in the clay seam. Each of those laterals achieved approximately 95% contact, and every packer system was set where we designed it. HLD is built on a sequence of steps, each grounded in established drilling and completion principles, and success comes down to executing each step well. That is what this team has done. The mechanical foundation of the IPM is now in the ground, and we will prepare to move into brine circulation with a great deal of confidence in what we’ve built.”
Mr. Steve Halabura, P.Geo., Chief Executive Officer and Director of the Company, commented: “This is the milestone the entire drilling program was designed to deliver. From here, the work shifts from placing infrastructure to preparing to operate it downhole. At that stage, we rely on the same dissolution chemistry that has underpinned solution mining in Saskatchewan for decades. Concluding the drilling stage this cleanly puts Buffalo in an excellent position to approach the next phase of development, and to continue advancing toward our target of first production in Q1 2027.”
Table 1: Drilling Program Summary
| Well | Type | Role | IPM Phase | Key result |
| 15-10 | Vertical | Source Well | Phase 1 | 100% core recovery and logs completed; core samples undergoing assay analysis |
| 2-14 | Vertical | Disposal Well | Phase 1 | 100% core recovery and logs completed; core samples undergoing assay analysis |
| 5D15-10 | Horizontal | ProducerWell 1 | Phase 2 | 565-m lateral; ~95% clay seam contact; 11-stage packer system installed |
| 4D15-10 | Horizontal | Producer Well 2 | Phase 2 | 565-m lateral; ~95% clay seam contact; 11-stage packer system installed |
| 1D15-10 | Horizontal | Injector Well | Phase 2 | 565-m lateral; ~95% clay seam contact; 11-stage packer system installed |
Phase 1 – Source and disposal wells – The two vertical wells provide the IPM’s brine supply and disposal capacity. The Source Well will supply the NaCl brine injected into the mining plane and the Disposal Well provides brine disposal capacity for the IPM. Both the Source Well and Disposal Well were also cored and sent for assay analysis to enhance the Company’s geological understanding and support a feasibility study at Disley West and Disley East (see the Company’s news releases dated July 29, 2026 and August 18, 2026).
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