Corcel PLC Completes Key Seismic Acquisition at KON-16 Block in Angola

KON-16 2D seismic acquisition completed: what Corcel PLC just delivered in Angola

Corcel PLC has wrapped up 100% of its planned 2D seismic acquisition on the operated KON-16 block in the onshore Kwanza Basin, Angola. The campaign gathered 326 line-km of high-resolution seismic and finished on 22 February 2026 – on plan, to spec, and with data the company says is “materially superior” to anything previously shot in the basin.

This is Corcel’s first operated exploration and production project, so execution quality matters. Management highlights over 270 people on site and more than 220,000 manhours worked without incident – a meaningful operational tick. Early looks at the raw field data are said to be excellent, with clear imaging of key pre-salt structures that could feed multiple, de-risked drilling candidates.

Why this milestone matters for shareholders

Seismic is the map before the drill bit. High-quality seismic reduces uncertainty in where hydrocarbons might be and how best to test them. Corcel has increased KON-16 seismic coverage by 227% and tightened line spacing from a basin-average of more than 14 km to around 2.5 km across areas of interest. That is a step-change in subsurface resolution, especially when integrated with the 2024 eFTG (enhanced Full Tensor Gravity Gradiometry) dataset and reprocessed legacy lines.

If the processing confirms what the field data suggests, Corcel should be able to rank and mature multiple prospects – both pre-salt and post-salt – and move towards a “high-impact KON-16 exploration well.” Better images, better prospect definition, better drill targeting.

Key numbers from the RNS

Metric	Detail
Seismic acquired	326 line-km of high-resolution 2D
Acquisition period	December 2025 to Q1 2026; concluded 22 February 2026
Coverage uplift in KON-16	227% increase vs prior coverage
Existing KON-16 legacy seismic	143 line-km
Kwanza Basin legacy dataset	2,589 line-km (acquired 2010; reprocessed 2025)
Line spacing (before vs now)	>14 km average historically vs ~2.5 km achieved
Workforce and HSE	Over 270 people; over 220,000 manhours; no incidents reported
Acquisition contractor	BGP INC., CHINA NATIONAL PETROLEUM CORPORATION and local subsidiary
Processing contractor	DUG Technology Ltd
KON-16 interest (upon completion)	Operated – 80% working interest; 71.5% net to CRCL

Jargon buster: what the technical bits actually mean

• 2D seismic: Think of it as ultrasound for the subsurface. Sound waves are sent into the ground and reflections help image rock layers and possible traps for oil and gas.
• Pre-salt vs post-salt: Pre-salt targets sit below thick salt layers that can preserve hydrocarbons and create large traps. They can be technically challenging but high impact.
• eFTG (high-resolution gravity gradiometry): Measures tiny variations in gravity to infer subsurface density contrasts. When integrated with seismic, it helps refine structure and prospect shapes.
• Processing: Turning raw field recordings into interpretable images using advanced algorithms. DUG will handle this, and Corcel expects results “throughout the year.”

My read on the signal vs the noise

Positives I’m taking away

• Execution quality: Completed as planned, full programme delivered, and strong HSE performance. For a first operated E&P project, that builds credibility.
• Data quality and density: Management’s claim of “materially superior” data in the basin and much tighter line spacing should sharpen prospect definition.
• Path to drilling: The company is openly positioning KON-16 for a “high-impact” exploration well. Today’s data is the essential precursor.

Where the market will still want answers

• Interpretation outcomes: The raw field data looks good, but processed results – the real decision-grade images – are not disclosed yet.
• Drilling timeline and costs: No firm spud date, well design details, or budget were provided. Funding arrangements are not disclosed.
• Commercial metrics: No resource estimates, chance of success, or projected economics at this stage.

Net-net, this reads as a solid operational win that likely reduces subsurface risk on KON-16. The valuation impact will hinge on the processing outcomes and the first ranked drill candidate’s scale and risk profile.

What happens next: processing, prospect maturation, and drill prep

DUG Technology will process the dataset, with results expected throughout the year to support prospect maturation and drilling preparation. Corcel says the acquisition parameters were designed specifically to image high-graded pre-salt prospects, so expect processing sequences tuned to complex salt imaging – an area DUG has strong credentials in.

Once processed, the company can integrate seismic with eFTG and reprocessed legacy lines from the 1970s and 2010 to finalise prospect maps, volumes, and well locations. That is when we should see prospect inventories, risking, and – if management chooses – an indicative sequence for drilling.

Strategic context: Angola portfolio and optionality

KON-16 sits within a broader Angola position and is the operated growth engine upon completion. Corcel also holds non-operated interests in KON-11 and KON-12. Elsewhere, the company has an optioned position in Brazil (gas and exploration) and an 80% working interest in the Mt Weld Rare Earth Elements project in Western Australia, offering diversification beyond oil and gas.

• KON-16: Operated – 80% working interest – 71.5% net to CRCL
• KON-11: Non-operated – 20% working interest – 18% net to CRCL
• KON-12: Non-operated – 25% working interest – 22.5% net to CRCL

This mix provides exposure to near-term exploration catalysts in Angola while maintaining broader optionality. The RNS, however, focuses squarely on KON-16 execution and next steps.

Bottom line: a cleanly executed step towards a “high-impact” well

Today’s update is encouraging: programme delivered in full, quality data acquired, and a credible processing partner engaged. For a small-cap E&P, demonstrating operational competence on an operated block is half the battle. The other half is converting that data into a drillable prospect with attractive risking and scale.

What I’ll watch for next:

• Processed seismic deliverables and any disclosed prospect inventory.
• Clarity on drilling sequence, timing, and costs for the first KON-16 well.
• Any farm-down, partnership, or funding developments – not disclosed today.

For now, chalk this up as a meaningful de-risking step for Corcel in the Kwanza Basin. If the processed data lives up to the early read, KON-16 could move firmly into the “drill-ready” camp this year.