Cooper Energy said that Callawonga-18, an appraisal and development well in PPL 220 in the onshore Cooper basin, South Australia, had been drilled to 404m in the Winton formation and was rigging up to run 9-5/8in surface casing.
Callawonga-18 is the second of a five-well appraisal and development campaign by the PEL 92 joint venture, which includes Cooper (25%) and Beach Energy (75%), targeting previously undeveloped reserves in the McKinlay Member sandstone at the Callawonga oil field.
The McKinlay Member lies immediately above the main producing reservoir, the Namur sandstone, and to date, an oil-water contact has not been encountered within the McKinlay member. Callawonga-18 will test the westernmost flank of the oil field.
The well has a prognosed total depth of 1428m and is expected to take eight days to complete. The drilling campaign will address locations designated as Callawonga 14-18, with the sequencing of wells to be determined based on individual well results. The previous well, Callawonga-14 was completed as a future oil producer.
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