Drill Results
MCF receives court OK for Welchau-1 drilling, testing

MCF · Price
Executive Summary
- MCF Energy Ltd. (25% interest) is resuming testing of the Welchau-1 well in Austria after the Upper Austrian State Administrative Court ruled in September 2025 that environmental objections could halt the process.
- The immediate focus is testing the Reifling formation, the shallowest of four carbonate reservoirs intersected by the well, to determine if movable hydrocarbons are present and assess flow characteristics.
- The Reifling formation is interpreted to be at or near the oil-water contact for a light oil accumulation mapped approximately 500 meters updip of the well.
Key Details
- Legal Resolution: Testing was interrupted in January 2025 due to legal objections by environmental NGOs regarding clearances provided to operator ADX Energy. The Upper Austrian State Administrative Court ruled in September 2025 allowing ADX to resume drilling and testing activities.
- Well Interest: MCF Energy holds a 25% interest; ADX Energy is the operator with the remaining 75% interest.
- Target Formation: The Reifling formation is the shallowest of four carbonate reservoirs intersected at Welchau-1.
- Testing Method: An acid stimulation will be performed to test the shallowest potential reservoir.
- Primary Objectives: Determine hydrocarbon content and flow characteristics of the Reifling formation.
- Geological Context: The Reifling formation is interpreted to be at or near the oil-water contact for a light oil accumulation in the Welchau anti-cline, mapped approximately 500 meters updip of the Welchau-1 well.
- Well History: Welchau-1 is located in the northern calcareous Alps hydrocarbon fairway. It was drilled to test gas and condensate potential within middle Triassic fractured carbonate reservoir sequences below the Triassic Lunz-Partnach regional seal complex.
- Previous Findings: The well drilled through a hydrocarbon-bearing complex fractured carbonate reservoir interval with continuous hydrocarbon shows.
Notable Quotes
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