Prospex Energy (PXEN): Selva Malvezzi development wells and 3D
This situation live
PXEN Prospex Energy
20 Oct 2025 · Awaiting reinterpretation of reprocessed 3D seismic · −6% until the next step
Once the newly reprocessed 3D seismic is reinterpreted it is the Operator's intention to update the reservoir model, gas in place and the reserves for the Viura field.
31 Oct 2025 · EIA revised; 3D survey permitting near complete · −21% until the next step
The operator has progressed a new environmental study incorporating recommendations and amendments from the EIA technical commission
18 Nov 2025 · 3D acquisition underway since 13 November · +14% until the next step
The acquired data will undergo time-domain volume processing, anticipated to be completed by April 2026, producing a full three-dimensional subsurface model for future development planning.
20 Nov 2025 · Operator working on reprocessed 3D seismic model · −9% until the next step
The operator is working on the reprocessed 3D seismic database with a view to optimising the structural model so that a reserve report can be commissioned to support a debt facility to fund the develo
24 Nov 2025 · 3D underway; drilling permits advancing · −15% until the next step
The Selva Malvezzi production concession in northern Italy continues its steady production and cash generation with a new gas sales contract agreed with Hera Trading in Q3-2025 and permits to drill fo
19 Jan 2026 · 3D survey completed; JV payments up to date · +2% until the next step
The Company is now up to date with its obligations in the Selva Malvezzi Joint Venture.
28 Jan 2026 · 3D acquired; processing; EIA under update · +8% until the next step
The specialist studies requested by the EIA commission are in progress and expected to be submitted to the Ministry in Q2 2026.
30 Apr 2026 · 3D processing; EIA being updated · +2% until the next step
Specialist studies requested by the EIA Commission are ongoing and are expected to be submitted in Q2 2026.
15 May 2026 · 3D seismic processing under way · −12% until the next step
Development costs in Q1 2026 primarily relate to seismic processing on Selva Malvezzi.
3 Aug 2026 · Dynamic model built; development scenarios defined · +83% until the next step
During the quarter, operator HEYCO Energy Iberia advanced the dynamic reservoir model and defined several development scenarios for further drilling activity in 2027.
7 Sep 2026 · 2027 development planning continues · +8% until the next step
Field development planning has continued, and the core operational plan includes testing the water injection capability of the ST3 well (currently shut-in) in Q4 2026 and drilling a development well d
28 Sep 2026 · Licences held; Mniszow development planning · +4% since
Planning for a 2027 development programme is ongoing, including testing the water injection capability of the shut-in ST3 well starting in Q4 2026, and the potential drilling of a development well in
Selva Malvezzi development wells and 3D
Licences held; Mniszow development planning
DEC31
Next: Independent review of Mniszow resource in 68 days
Every step · 12
- 20 Oct 2025 Awaiting reinterpretation of reprocessed 3D seismic – Once the newly reprocessed 3D seismic is reinterpreted it is the Operator's intention to update the reservoir model, gas in place and the reserves for the... ↗
- 31 Oct 2025 EIA revised; 3D survey permitting near complete – The operator has progressed a new environmental study incorporating recommendations and amendments from the EIA technical commission ↗
- 18 Nov 2025 3D acquisition underway since 13 November – The acquired data will undergo time-domain volume processing, anticipated to be completed by April 2026, producing a full three-dimensional subsurface model... ↗
- 20 Nov 2025 Operator working on reprocessed 3D seismic model – The operator is working on the reprocessed 3D seismic database with a view to optimising the structural model so that a reserve report can be commissioned... ↗
- 24 Nov 2025 3D underway; drilling permits advancing – The Selva Malvezzi production concession in northern Italy continues its steady production and cash generation with a new gas sales contract agreed with... ↗
- 19 Jan 2026 3D survey completed; JV payments up to date – The Company is now up to date with its obligations in the Selva Malvezzi Joint Venture. ↗
- 28 Jan 2026 3D acquired; processing; EIA under update – The specialist studies requested by the EIA commission are in progress and expected to be submitted to the Ministry in Q2 2026. ↗
- 30 Apr 2026 3D processing; EIA being updated – Specialist studies requested by the EIA Commission are ongoing and are expected to be submitted in Q2 2026. ↗
- 15 May 2026 3D seismic processing under way – Development costs in Q1 2026 primarily relate to seismic processing on Selva Malvezzi. ↗
- 3 Aug 2026 Dynamic model built; development scenarios defined – During the quarter, operator HEYCO Energy Iberia advanced the dynamic reservoir model and defined several development scenarios for further drilling... ↗
- 7 Sep 2026 2027 development planning continues – Field development planning has continued, and the core operational plan includes testing the water injection capability of the ST3 well (currently shut-in)... ↗
- 28 Sep 2026 Licences held; Mniszow development planning – Planning for a 2027 development programme is ongoing, including testing the water injection capability of the shut-in ST3 well starting in Q4 2026, and the... ↗
What is happening
Prospex Energy: Selva Malvezzi development wells and 3D – Licences held; Mniszow development planning. ['Licences held; Mniszow development planning']
- In short
- Prospex was awarded the San and Dunajec licences, which PXEN Tatra accepted. Work continued on historical data and well design for the Mniszow oil discovery. The 28 Sep 2026 H1 report says a mid-September site visit took place, a Mniszow development presentation was released and an independent resource review is planned for Q4 2026.
- Announced
- 20 Oct 2025 · Awaiting reinterpretation of reprocessed 3D seismic
- Latest
- 28 Sep 2026 · 2027 development planning continues
- Funding
- Cash on hand to fund licences and early prospectivity assessment
- Next milestone
- Independent resource review in Q4 2026
- Permit fees
- £177k of new permit fees paid in Q2 2026
- Mniszów oil
- Company view of 3.7 mmbbl recoverable
- Focus
- Well and completion design for Mniszów oil discovery on Dunajec licence
- Site visit
- San and Dunajec licence areas, mid-September 2026
- Partnering
- Evaluating advanced completion techniques to support partner talks
- Mniszow resource
- Company assessment of about 3.7 million barrels recoverable
What comes next
Independent review of Mniszow resource (31 Dec 2026).
From the company's own announcements. Not investment advice.
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