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Slanted waves
Interpreting seismic data
Leaning
Stepout review
RADIAL TRACES
Moveout-corrected radial traces
Snell traces
SLANT STACK
Slant stacking and linear moveout
Slant-stack gathers are ellipses
Two-layer model
Interval velocities from slant stacks
Interface velocity from head waves
Slant stack and Fourier transform
Inverse slant stack
Plane-wave superposition
Reflection coefficients--spherical versus planar
The rho filter
SNELL WAVES AND SKEWED COORDINATES
Snell wave information in field data
Muting and data recording
Synthesizing the Snell wave experiment
What's wrong with Snell waves?
Lateral invariance
Snell wave coordinates
Snell Waves in Fourier space
INTERVAL VELOCITY BY LINEAR MOVEOUT
Graphical method for interval velocity measurement
Common-midpoint Snell coordinates
Differential equations and Fourier transforms
Processing possibilities
About this document ...
Stanford Exploration Project
10/31/1997
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