D3 Energy Limited (ASX:D3E, OTCQX:DNRGF) is an Australian-listed helium and Natural Gas exploration company focused primarily on its flagship Assets in South Africa's Free State Province — ER315, PR016, and ER386. The company holds a 479,409-acre land position across the Free State, where ER315 has delivered independently verified helium concentrations of up to 8% and is the subject of a Production Right Application (PR016) currently under assessment by South Africa's Petroleum Agency SA (PASA).

Recent Development

On 9 September 2026, D3 Energy provided a drilling update for the NGT245 D and NGT245 E wells at the Nooitgedacht project, located within the 100%-owned ER315 permit in the Free State approximately 40 kilometres from the company's Production Right application area. Geophysical logging analysis identified deeper water production zones in both wells, with water now risen above the gas-producing zones. Due to extremely low pressure at this location, the rising water is inhibiting gas flow. Downhole camera logging visually confirmed gas bubbling through the water column — consistent with the interpretation that gas is present but being suppressed by water encroachment. Remedial cementing activities are being planned to isolate the deeper water zones from the gas-producing intervals and restore gas flow, with commencement expected in the following week. Both wells are targeting faulting and associated fractures in the Ventersdorp and Witwatersrand formations to assess reservoir deliverability and collect data on helium and methane concentrations.

Sector Context

Helium is classified as a critical and strategic resource in numerous countries, with Supply dominated by a small number of geologically unusual fields. South Africa's Free State Province hosts one of the world's more notable helium-prospective geological settings, and D3 Energy's ER315 permit — with independently verified concentrations of up to 8% helium — places it at the high-grade end of global helium exploration. The Production Right Application (PR016) under assessment by PASA represents the pathway to potential commercial production from the company's core acreage.

Risks and Uncertainties

The remedial cementing program at Nooitgedacht is a technical risk — cementing operations in low-pressure formations can be unpredictable, and there is no certainty that isolating the water zones will restore the expected gas flow rates. The Nooitgedacht wells are testing an area 40 kilometres from the Production Right area, meaning these wells are exploratory data-gathering exercises rather than production tests for the main asset. The ongoing assessment of PR016 by PASA introduces regulatory timing uncertainty for the company's commercial production timeline.

Catalysts to Watch

The outcome of the remedial cementing operations at Nooitgedacht — and any subsequent gas flow data — will be the most immediate near-term catalyst for D3 Energy investors. Any update from PASA on the PR016 Production Right Application assessment would be a significant event given its importance to the company's commercial pathway. Progress on the broader ER386 exploration permit, which is contiguous with ER315 and located in the same Virginia Fault structural corridor, will also attract attention as D3 builds its broader Free State exploration and development pipeline.

Looking Forward

D3 Energy's Nooitgedacht wells have confirmed the presence of gas in a geological setting consistent with the company's broader Free State thesis, but the water encroachment issue requires resolution before flow rates can be assessed. The planned remedial cementing is a logical and industry-standard technical response. If successful, gas flow data from these wells will add important reservoir characterisation information to complement the company's certified reserves and resources at ER315 and PR016.