In June, Sanco Sword was mobilized as one of three source vessels for the world’s biggest ever multi-client OBN survey. Operated by AGS, the Utsira survey acquisition will be finalized in September. Mikal Trulsvik, TGS (left), Kjell Aubert, AGS, and Kristian Zahl, AGS, were onboard to make sure everything was set for the start of the survey. Photo: Toril Leite

“The Ultimate Survey”

The Utsira OBN survey represents a step change in both quality and scale and is expected to benefit the entire value chain within the survey area.

“The increase in operational efficiency and scale of the operation is now making OBN competitive with conventional 3D streamer seismic and is a step change in the seismic market”, Kristian Zahl, VP sales with Axxis Geo Solutions (AGS), says.

AGS and JV partner TGS, along with pre-funding partners AkerBP and Equinor, are now in the final stage of acquiring some 1600 km of the North Sea’s first multi-client Ocean Bottom Node survey (OBN) that – according to JV partners AGS and TGS – has the potential to be of value not only for exploration, but also for the delineation of discoveries, field development and reservoir management.

Read the full story on expronews.com.

Final outline of the AGS Utsira 3D survey in between significant oil and gas fields. The survey covers a huge area with several discoveries, existing prospects and potentially many new drilling targets in a mature basin. Different from what any 3D streamer survey can achieve, the data will be full azimuth, higher fold and have longer offsets recorded. In addition to this, exponentially more measurements per area can be achieved.
Illustration: AGS

 

 

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