2-D Land Joint Inversion of Seismic, Magnetotelluric and Gravity for Pre-Stack DEPTH Migration Imaging, Nechako Basin, BC (NTS 93B, 93C, 93F, 93G)
- Maurizio Sfolciaghi, WesternGeCo MDIC
Simultaneous Joint Inversion (JI) of the seismic and gravity will be applied to two test lines in a first phase and to all available seismic 2-D datasets as an optional second phase after a basic time processing. The JI with gravity will be used to define the shallow anomalies via Turning Ray Tomography. Pre-Stack Depth Migration will be run using the velocity model output from JI Gravity, and some interpreted layers will be traced on the output seismic.
From top to bottom, in a layer-stripping sense, seismic residual moveouts along these layers will be jointly-inverted with Gravity data to define shallow layers, and with magnetotelluric data for the deeper sections.
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