3D Energi Ltd mentioned Wednesday elevated fuel readings within the Charlemont-1 nicely, spudded final month, have been per hydrocarbon presence.
The nicely targets the penultimate prospect within the Otway basin’s Charlemont pattern, which culminates with the La Bella discovery, in keeping with Melbourne-based 3D Energi. It had already declared a pure fuel discovery in the identical ConocoPhillips-operated allow offshore Victoria. 3D Energi introduced the Essington-1 nicely discovery November 20, 2025.
“All intervening prospects – together with Charlemont B – share comparable geophysical response as La Bella”, 3D Energi mentioned in a inventory submitting Wednesday. “Accordingly, Charlemont-1 has the potential to appraise the intervening prospects in direction of La Bella”.
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“Elevated fuel readings have been recorded throughout the Waarre C sandstones, and coincide with elevated resistivity readings on wireline, per possible hydrocarbon presence within the Waarre C sandstones”, 3D Energi mentioned. “Additional wireline logging is required to completely consider the character and extent of the hydrocarbons.
“As drilling proceeded, elevated fuel readings have been recorded throughout Waarre B sandstone intervals from 2,664 meters [8,740.16 feet] MDKB into the Waarre A major goal at 2,683 meters MDRT, and continued by the Waarre A to 2,753 meters MDKB. Elevated fuel readings within the Waarre B and Waarre A sandstones coincide with elevated resistivity on the LWD instrument and is per possible hydrocarbon presence in each the Waarre B and Waarre A sandstones.
“At 2,753 meters MDKB, the nicely intersected a zone with higher-than-anticipated formation pressures, reaching operational tolerances. Accordingly, drilling operations have been concluded previous to the deliberate whole depth of 2862 meters MDKB and eventualities for additional wireline logging operations are being evaluated.
“Wireline logging is required to completely consider the character and extent of any hydrocarbons within the Waarre B and Waarre A, and to find out any potential connectivity with the Waarre C”.
3D Energi government chair Noel Newell mentioned, “The identification of possible hydrocarbons within the Waarre C is critical, as hydrocarbons weren’t anticipated on this zone previous to drilling. This final result might have additional optimistic implications for up-dip prospects alongside the Charlemont pattern, notably these not at present supported by current Direct Hydrocarbon Indicators (DHIs) on seismic. We will probably be evaluating this intently on the conclusion of the drilling program”.
“The presence of fuel throughout stacked Waarre sandstone reservoirs derisks the up-dip prospects with DHIs within the Charlemont pattern, culminating with the La Bella discovery”, Newell added. “If efficiently appraised, this cluster may very well be among the many largest fuel swimming pools within the Otway Basin”.
3D Energi owns 20 % within the VIC/P79 exploration allow. ConocoPhillips is operator with a 51 % stake. Korea Nationwide Oil Co owns 29 %.
To contact the writer, e mail jov.onsat@rigzone.com
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