Adaptive constrained first-arrival tomography driven by uphole velocity priors for complex near-surface imaging
Abstract
Abstract High-precision seismic imaging of shallow thin interbedded reservoirs is critical for continental lithologic hydrocarbon exploration. Complex near-surface environments on China’s Loess Plateau bring severe challenges: laterally variable low-velocity zones (LVZs), rugged topography and restricted acquisition layouts create extremely sparse shallow ray coverage (effective fold
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