Enhancing Sub Basalt Imaging Using Depth Domain Processing
Processing of 2D long offset Seismic Reflection data for sub basalt Imaging still remains a challenge for the Processing Geophysicists. So far there is no commercial processing solution for meaningful imaging below basalt. Time domain processing has its limitations to process reflection events which are hyperbolic in nature. With careful,Sub-basalt imaging problems and the application of,,01-12-2001· In the presence of thick, laterally extensive basalt layers, seismic reflection sections are typified by a high amplitude top basalt reflector and the absence of base-basalt and sub-basalt events. From our tests, varying layer thickness and source frequency, a synthetic 2-D fractal model, which produces seismic similar to real sub-basalt seismic, has been created.Sub-basalt Imaging Using Broadside CSEM,below a basalt layer. However, due to shape irregularities and het erogeneities with high velocity contrasts around and within the basalts, it can be challenging for seismic processing to image the base of the basaltic layer and details of what is below . [For example, s ee Fliedner and White (2001) ].