ADX Energy Ltd (ASX:ADX) Reports Multi-Zone Gas Flow at HOCH-1 and Sets Vienna Basin Work Program

Aditi Sarkar

06 October 2026 01:52 PM AEDT

ADX Energy Ltd (ASX:ADX) Reports Multi-Zone Gas Flow at HOCH-1 and Sets Vienna Basin Work Program

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Highlights

HOCH-1 exploration well in Austria encountered up to eight biogenic gas reservoirs.
Commingled Phase 1 testing recorded a flow rate of 3.15 MMCFPD, equivalent to 548 BOEPD.
Combined work program starting 19 October 2026 targets around 100 BOEPD of additional Vienna Basin production.
Phase 2 testing of further Hall Channel reservoirs is scheduled for 15 December 2026.

ADX Energy Ltd (ASX:ADX) has released an update on its Austrian operations, covering testing progress at the HOCH-1 exploration well and a combined work program designed to lift production from its Vienna Basin assets. The update outlines flow results across several reservoir zones and sets out a timetable for the next phases of activity.

HOCH-1 Phase 1 Testing Results

According to the company, the HOCH-1 well encountered up to eight biogenic gas reservoirs across multiple formations. During Phase 1 testing, a single zone initially produced gas at 2.7 MMCFPD, which ADX equates to roughly 450 BOEPD.

Commingled testing of multiple zones then achieved a combined rate of 3.15 MMCFPD, equivalent to 548 BOEPD. Testing several reservoirs together provides an early indication of how the well may perform when more than one zone contributes to flow.

Combined Work Program in the Vienna Basin

ADX stated that a combined work program will commence on 19 October 2026. Executive Chairman Ian Tchacos said the program offers an opportunity to further increase Vienna Basin production by approximately 100 BOEPD, which the company estimates would represent an approximate 40% increase in its Austrian production.

The program brings together production enhancement activities at existing operations, allowing the company to pursue output growth alongside its exploration testing work.

Phase 2 Testing and Market Backdrop

Phase 2 testing, focused on additional Hall Channel reservoirs, is scheduled for 15 December 2026. This stage will require workover rig operations to access deeper zones within the well.

Management also noted the prevailing Commodity price environment at the time of the announcement, with Brent oil trading at approximately US$100 per barrel and European gas prices at approximately EUR 75 per MWh.

Key Takeaways

HOCH-1 encountered up to eight biogenic gas reservoirs, with commingled flow of 3.15 MMCFPD (548 BOEPD).
A Vienna Basin work program from 19 October 2026 targets an approximate 40% lift in Austrian production.
Phase 2 testing of deeper Hall Channel reservoirs is planned for 15 December 2026.

FAQs

Q: What did ADX Energy announce?

A:ADX Energy reported Phase 1 testing results from the HOCH-1 well in Austria and outlined a combined Vienna Basin work program.

Q: How many gas reservoirs did HOCH-1 encounter?

A:The company stated the well encountered up to eight biogenic gas reservoirs across multiple formations.

Q: What flow rate was achieved in commingled testing?

A:Commingled testing of multiple zones achieved 3.15 MMCFPD, equivalent to 548 BOEPD.

Q: When does the Vienna Basin work program start?

A:The combined work program is scheduled to commence on 19 October 2026.

Q: When is Phase 2 testing planned?

A:Phase 2 testing of additional Hall Channel reservoirs is scheduled for 15 December 2026.

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