PaleoScan™ Dynamic Flattening

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Horizon Flattening is a common technique in seismic interpretation in order to restore the state of deformations underneath a reference isotime surface.

In PaleoScan™, along with an option to flatten the viewers such as 2D, 3D seismic viewers, and log viewers, on a particular horizon (Fig. 1), the users will have an advanced option to flatten the viewers dynamically using the Horizon Stack.

Figure 1: Example from K05 3D, offshore Netherlands showing a workflow in PaleoScan™ to flatten the seismic volume on a specific horizon.
Figure 1: Example from K05 3D, offshore Netherlands showing a workflow in PaleoScan™ to flatten the seismic volume on a specific horizon.

This Dynamic Flattening tool allows using the Horizon Stack which consists of unlimited chronostratigraphic as a reference to flatten the viewers (Fig. 2, 3, 4) Thus, the interpreters will be able to evaluate both laterally and vertically the linkage between tectonic activities, sedimentation, and accommodation spaces, not only at a particular timeline but in a 3D relative geologic time domain. 

Figure 2: Example from Maui 3D, offshore New Zealand. Left: The seismic viewer is being automatically flattened according to the new frame of the Horizon Stack Viewer. Right: RGB Color Blending Horizon Stack Viewer can be manually changed by scrolling up or down the mouse wheel.
Figure 2: Example from Maui 3D, offshore New Zealand. Left: The seismic viewer is being automatically flattened according to the new frame of the Horizon Stack Viewer. Right: RGB Color Blending Horizon Stack Viewer can be manually changed by scrolling up or down the mouse wheel.
Figure 3: Example from Maui 3D, offshore New Zealand. Left: The Gamma Log Viewer is being automatically flattened according to the new frame of the Horizon Stack Viewer. Right: RGB Color Blending Horizon Stack Viewer can be manually changed by scrolling up or down the mouse wheel.
Figure 3: Example from Maui 3D, offshore New Zealand. Left: The Gamma Log Viewer is being automatically flattened according to the new frame of the Horizon Stack Viewer. Right: RGB Color Blending Horizon Stack Viewer can be manually changed by scrolling up or down the mouse wheel.
Figure 4: Example from Maui 3D, offshore New Zealand. The seismic viewer can be also flattened in 3D domain, showing the linkage between the lateral and vertical evolution of the geomorphology on the Horizon Stack and the clinoform seismic facies.
Figure 4: Example from Maui 3D, offshore New Zealand. The seismic viewer can be also flattened in 3D domain, showing the linkage between the lateral and vertical evolution of the geomorphology on the Horizon Stack and the clinoform seismic facies.

Case study: K05, offshore Netherlands. Maui 3D, offshore Taranaki basin, New Zealand.

To find out more about the Dynamic Flattening or PaleoScan™ 2022, drop us a line at contact@eliis.fr. 

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