Seismic Processing 3D LAND

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Seismic Processing 3D LAND

 

In Seismic Processing 3D LAND tutorial, a typical (but not mandatory) step-by-step processing sequence for 3D land data in g-Platform™ is presented.

 

Create project

Load data and Geometry

Seismic data QC and trace editing

Spherical divergence

Refraction static correction

Surface consistent amplitude corrections (SCAC)

Noise attenuation before deconvolution (spikes, linear, ground-roll)

Surface consistent deconvolution

Velocity analysis

Residual static correction

Noise attenuation after deconvolution (linear, random)

Multiple attenuation (iteration 1)

Regularization and 5D interpolation

Pre-stack time migration (PSTM)

Residual moveout corrections (RMO)

Multiple attenuation (iteration 2)

Stack

Foot prints attenuation

Post-stack processing (additional noise attenuation, spectrum balancing)

AVO attributes and angle stacks

Depth migration (PSDM)

 

For training purposes, we recommend to use free seismic datasets available from SEG Wiki:

 

3D Land - Teapot dome 3D survey