Geoscience firm Spectrum is to carry out a long-offset Broadband 2D multi-client seismic survey covering the southern Rovuma and north-eastern Zambezi Basins, offshore Mozambique.
The survey will be a variable grid with lines spaced from 10km to 20km, totaling in excess of 16,000km.
The new seismic data will image the subsurface potential in open areas of the southern Rovuma Basin and the western flanks of the Kerimbas Graben, west of the Davie Fracture Zone, revealing the prospectivity in this region for the first time.
Potential targets along the Mozambique margin have already been identified in both structural and stratigraphic settings, following recent studies in the area. These include Cretaceous and Tertiary turbidites and buried canyon plays. The survey will also aim to image the syn-rift structures and Late Cretaceous pro-delta stacked turbidite sequences in the northeast Zambezi Depression.
The Zambezi Delta exhibits complex structuration following extensive recent compressional tectonics. Several potential source, reservoir and seal intervals have already been identified in this area. Play types include onlaps and drapes over basement highs, stratigraphic and structural traps of deep water slope channel and basin floor fan complexes, lowstand plays (both wedge and pro-delta fa), syn-rift graben hanging wall and footwall plays, and strike slip structural plays.
New 2D data will play a key role in refining our understanding of the hydrocarbon potential of the area and accelerate hydrocarbon exploration activity in what is believed to be an oil-dominated region offshore Mozambique.
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