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Norwegian firm develops new class notation for seismic vessels

03rd October 2012

DNV launches new class notation for seismic vessels to boost seismic exploration

Norwegian firm develops new class notation for seismic vessels
The Norwegian offshore classification society claims the system will boost deepwater and frontier exploration

A Norwegian classification society has unveiled a new class notation for seismic vessels, it emerged on Tuesday, in a bid to enhance deepwater and frontier seismic exploration.

DNV has launched a new class notation for seismic exploration to boost seismic data processing and ensure continuous vessel operation without loss of speed, the Norwegian organisation said in a press release on Tuesday.

“The need to have enhanced redundancy and proper deck arrangements to ensure continuous operation without loss of speed is the backbone of these new technical requirements,” DNV said.

The new notation focuses on the reduction of interruptions in the ships forward movement to boost seismic data processing; the increased availability of the vessels during critical phases of the seismic operations; and the maintenance of propulsive power, as any failure on board will not lead to more than 50 per cent in loss of speed, according to DNV.

The Norwegian offshore classification society claims the system will boost deepwater and frontier exploration.

Seismic vessels use high end computerized technology to conduct seismic surveys in the high seas and oceans and pinpoint the best locations for drilling resources below the seabed.

“More than every second seismic vessel is DNV classed. By introducing the new class notation we are helping owners in this high-tech special vessel segment to meet future demands with the outmost safety and reliability,” said Jan Kvålsvold, director for market and business development at DNV.

“The world’s energy demand is increasing,” Kvålsvold added. “Even though new energy sources are being developed, fossil fuel will maintain dominance well into the future. The demand for suitable seismic exploration vessels is already high and will continue to grow.”

DNV launched the system in conjunction with industry players WesternGeco, PGS and Fugro-Geoteam. It also consulted seismic handling and high pressure equipment suppliers, as well as vessel operators.

 

 

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