Spectrum in new seismic survey in Mozambique

Spectrum in new seismic survey in Mozambique

According to Subsea World News Spectrum has been awarded Tender Area 2 covering the southern Rovuma and north-eastern Zambezi Basins, offshore Mozambique, to undertake a long-offset Broadband 2D multi-client seismic survey.

The survey will be a variable grid with lines spaced from 10 km to 20 km, totaling in excess of 16,000 km, the company explained.

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 the region.

According to the company, 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 fan), syn-rift graben hanging wall and footwall plays, and strike slip structural plays.

Related News:Polarcus completes 3D seismic survey, Offshore Brazil

Polarcus has kicked off production in the first of a series of three 3D seismic projects offshore Brazil says Subsea World News

The project is being acquired using the Polarcus A-Class 3D seismic vessel, Polarcus Alima.

The first project is being acquired for Chariot Brasil Petróleo e Gás Ltda and the duration of the combined campaign is seven months.

According to Chariot, the survey covers approximately 785 km2 of its 100% operated BAR-M-292, BAR-M-293, BAR-M-313 and BAR-M-314 licences in the Barreirinhas basin.

Richard Price, Polarcus senior vice president, North & South America, said: “We are delighted that our geophysical service offering and our environmental agenda have created the opportunity for delivering these projects for key clients in Brazil. The seven-month Brazilian campaign is an important element of our global strategy to maximize utilization of the Polarcus fleet through extending regional campaigns and minimizing vessel transits.”

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