Ann: Erregulla Deep-1 Update, page-24

Here's the stratigraphy of a typical PB well...



WE3 was originally suspended at 4294m MD just above the Carynginia Shale due to extremely high over-pressurisation. On re-entry on the 1st June 2022, it took them till 17th June 2022 to drill through the Carynginia Shale and Irwin River Coal and reached 4435m MD. Out of the 17 days, not sure how many days was spent before actual drilling recommenced. Subsequent to that, the target Kingia formation was drilled and logged at 4806m MD on the 27th June 2022.

So depending on whether the Carynginia Shale is as overpressurised at ED1 as it was at WE3, we may be looking at another 5-10 days before we hit the Kingia. Does anyone know if the High Cliff is a secondary target here? If I recall, the HC becomes much less developed the further north we go.

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