New Zealand Oil and Gas Ltd has identified two main prospective leads within the offshore south Taranaki block PEP 38472 which lies between the Maui and Kupe fields. NZOG holds a 50% stake in this permit which is operated by OMV Australia Pty Ltd, holder of the other 50% interest.
Reprocessing of over 2000km of existing seismic has lead to a marked improvement in data quality and definition of both structural and stratigraphic features within the license area.
Two main "leads" had been upgraded/identified by this process — Manuka, in the northwest of the permit, and Gamma, in the southeast.
Manuka demonstrated strong seismic amplitude changes of the type often related to the presence of oil and gas at relatively shallow depths. A more detailed analysis of the amplitude effects associated with this closure is being conducted.
Gamma had multiple zones of potential, through the stacking of postulated Miocene turbidite sands between 1200 and 2500m across a regional-scale anticlinal nose, NZOG says. This area is being mapped at several levels, and the character of associated seismic amplitudes compared with known hydrocarbon-charged sands.
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