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Jul 2026
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Accurate identification of stratigraphic interfaces and embedded cavities is critical for geological modeling, engineering design, and infrastructure maintenance. However, integrating geophysical and geological data remains challenging due to discrepancies in spatial resolution, signal-to-noise ratio, and geological re...
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· Urban Lifeline · 0 citations
Open access
Aug 2026
INTEGRATED GEOMECHANICS AND SEISMIC INVERSION WORKFLOW FOR PORE-PRESSURE PREDICTION AND RESERVOIR CHARACTERISATION USING TREND-KRIGING IN DEEPWATER BASINS
Geological complexity, limited well control, and the inability to accurately predict pore pressure and characterise reservoirs using traditional stand-alone seismic and/or well-log techniques continue to pose challenges in deep-water basins. In this study, an integrated geomechanics and seismic inversion workflow has b...
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Autotie: A partial automation of the seismic to well tie with matching region estimation
Tying seismic data to well logs is a critical step in seismic amplitude processing and interpretation. This process is often repeated throughout the exploration phase to enhance the understanding of well characteristics, such as the time-depth relationship. However, the presence of data noise and inherent uncertainti...
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Jul 2026
From relative to absolute: A practical and robust workflow for low-frequency model building
Because seismic data are band-limited and lack low-frequency components, estimation of elastic properties through seismic inversion requires the construction and incorporation of a low-frequency model (LFM). However, building a reliable LFM is often challenging. Consequently, seismic inversion results are sometimes i...
T. Yamatani
· The Leading Edge · 0 citations
2026
Physics Prior Constrained ResUNet-BiMamba Network for Prestack AVO Inversion
Prestack seismic data contain rich angle-dependent amplitude variation information, which provides an important basis for the simultaneous inversion of P-wave velocity, SV-wave velocity, and density. However, prestack inversion based on the Aki-Richards approximation is applicable only to relatively small-to-moderate i...
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3D models from geological maps: strengths and weaknesses from the Pasubio Massif (Southern Alps)
3D geological models provide digital representations of subsurface architecture and are increasingly applied in both academic research and industry. Their construction can follow implicit or explicit approaches, depending on data availability and final modelling applications. While 3D models based on subsurface data ar...
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