Interview with Tor Åkermoen – CEO Europe Geoex MCG
DUG: Tell us a little bit about your seismic data?
Tor: Well, Geoex MCG, along with our partners, recently acquired two multi-client 3D surveys in the Norwegian North Sea. The 2020 survey was the world’s first true hybrid 3D acquisition, with OBN (ocean bottom nodes) and high-density streamer data acquired simultaneously.
Given the success of the first survey the 2022 survey was acquired in a similar fashion, but with upgraded parameters to give a higher trace-density and fold.
DUG: Why did you choose DUG’s MP-FWI Imaging technology?
Tor: A few reasons. We thought the dense, hybrid acquisition would be an ideal dataset to test the efficacy of DUG MP-FWI Imaging. We also knew that we needed state-of-the-art processing if we were to unravel the geological complexity of this area.
DUG: What are some of the geophysical challenges in this area?
Tor: The survey is located in the Måløy Slope in the northern North Sea. While there are some well-understood Jurassic, as well as Cretaceous discoveries in this area, near-field exploration has had varying degrees of success.
Sand distribution and reservoir quality are not fully understood due to their geological variability. So while the area is highly prospective, unravelling exactly which reservoir intervals are present and prospective requires innovative thinking. Our hope was that the combination of the new hybrid acquisition and DUG’s novel FWI-based imaging would help shed new light on these challenges.
DUG: So, what did you think of the DUG MP-FWI Imaging results?
Tor: The data has indeed delivered some exceptional results! The resolution and continuity of the reflectors are significantly better and the overall imaging is excellent. The MP-FWI image has solved both multiple and noise issues which has in turn simplified the interpretation. There is some amazing shallow detail at the seafloor, some Lower Cretaceous reservoir amplitudes, some spectacular Upper Jurassic unconformities and specific reservoir sand units that are now clearly resolved.
DUG: Do you have any amplitude-driven prospects in the area?
Tor: We certainly do. The MP-FWI imaging also provided valuable angle-dependent information, for quantitative interpretation of AVA-driven prospects.
I am confident we now have a better understanding of the Jurassic and Cretaceous reservoir locations in this region.
DUG: Will you use this imaging technology in the future?
Tor: Yes! With this state-of-the-art imaging directly from field data, we have taken a huge step forward in our ability to interpret the geological complexity of this basin. And the hybrid 3D concept acquires a fuller wavefield than regular, conventional surveys. Time is money in this business. The importance of getting a superior image quickly can’t be understated. This technology allows us to do exactly that.
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Imagine producing a subsurface image, ready for interpretation, straight from field data. Imaging receiving better results in weeks, not months. Using superior physics, DUG Multi-parameter FWI Imaging completely replaces the traditional processing and imaging workflow, making all that possible now.
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