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NORSAR Synthetic 3D Seismic
By NORSAR
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Plug-in Attributes
Platform:
Petrel
Lifecycle
Exploration | Appraisal | Concept
Domain:
ECCN:
Norway, EAR99
Version
  • 2014 | 2015 | 2016
Supporting Documents
Installation Guide
Release Notes
User Manual
Others
Overview
The plug-in generates synthetic migrated 3D seismic that incorporates 3D illumination and resolution effects from seismic aperture, overburden and reservoir using a patented method called SimPLI (Simulated Prestack Local Imaging). Having interpreted surfaces from a real 3D seismic (and possibly also having found an estimate of the Reflection coefficients along the surfaces) it is useful for quality control purposes to generate synthetic 3D seismic from the surfaces and compare it with the real 3D seismic. The synthetic 3D seismic is generated using a 3D convolution process. Unlike 1D convolution, that is common in industry, our process takes into account the effect of lateral resolution and that some dips may not be illuminated. It is possible to vary reflection angle, thus predicting AVO/AVA effects.
Specifications
  • Creates new synthetic 3D seismic
  • Uses interpreted surfaces or interpreted model horizons
  • Uses active velocity model in Petrel
  • Reflection coefficients can be computed with Rock Transform using specified rocks and properties from the model
  • Using a set of rock templates, rocks can be created and modified
  • Uses a wavelet
Features
  • Fast 3D convolution takes into account illumination and resolution effects
  • Industry standard 1D convolution also implemented for comparison purposes
  • Depending on input can generate synthetic 3D seismic either in Domain Elevation time or Elevation depth
  • Can take into account Reflection coefficients if known, but works also with defaults
  • Migration half aperture is user defined