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Velocity Estimated from VSP and Dipole Sonic Zero-offset VSP PP data Deconvolution
VSP Composite PlotVSP Calibration
Offset VSP data with Surface Seismic Data
Z X
PP PSV
VSP Wavefield Separation
VSP data
• Zero offset VSP can be utilized for time-depth calibration, and estimation of amplitude recovery factor and Q. Offset VSP is effective for structure imaging near the well.
VSP Data Processing
Dipole
Vs
Dipole Vp
Walkaround VSP PP&PSV Circular Profile
Azimuth
IsIp
Acoustic- and Shear Impedance InversionVSPCDP Imaging based on Ray Tracing
Model BuildingAcoustic impedance Inversion
Walkaway VSP PP Data
• Walkaway VSP and walkaround VSP provides images with high quality, amenable for lithology and fluid prediction in the vicinity of the well.
Azimuth