Spectrum starts multi-client 3D seismic survey offshore Australia

Offshore staff

HOUSTON Spectrum has commenced a new multi-client 3D project over the Vulcan sub-basin offshore North West Shelf, Australia.

The Cygnus 3D seismic survey is being acquired in collaboration with Polarcus and DownUnder GeoSolutions, and is supported by industry funding. The survey will comprise a minimum of 1,544 sq mi (4,000 sq km).

Polarcus will use its XArray configuration with a 41-ft (12.5-m) triple source shot interval and continuous recording, delivering 33% improved cross line sampling. Processing will be done by DownUnder GeoSolutions through a broadband pre-SDM workflow and final processed data will be available from 3Q 2016, with pre-STM fasttrack data available from 1Q 2016.

The survey is adjacent to Spectrum’s Cartier Main 3D survey, which was acquired in 2010 and recently reprocessed to broadband PSDM. With this latest survey, the company’s 3D coverage in the Australian North West Shelf will total 15,444 sq mi (40,000 sq km).


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