Deepwater Taranaki basin: Exploring a New Zealand frontier

During 2001, TGS-Nopec Geophysical Co. acquired the 6,200-km Astrolabe 2D seismic survey over the deepwater Taranaki basin, the extension of the basin from the shelf edge to the 2,000-m isobath.This article presents the results of that reconnaissance survey, namely:The deepwater Taranaki is a Cretaceous play, different from traditional (Kapuni) shallower-water plays on the shelf.The coarse Astrolabe grid (10 or 20 km) has established thick sedimentary successions (up to 10 km).Large traps (200 sq km) have been identified. Taranaki shelf wells have established source and reservoir facies for the deepwater areas.IntroductionThe Taranaki basin, currently New Zealand's only producing basi...

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