Depth migration - PowerPoint PPT Presentation

Advanced Seismic Imaging for Geothermal Development

Advanced Seismic Imaging for Geothermal Development. John N. Louie University of Nevada, Reno Satish Pullammanappallil Bill Honjas Optim Inc. www.seismo.unr.edu/~louie optimsoftware.com. “Integrative” versus “Differential” Geophysical Methods.

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746 views • 49 slides

Modeling of free-surface multiples - 2

Modeling of free-surface multiples - 2. Introduction Long offset Faroes data: velocity analysis and demultiple Modeling of free-surface multiple diffractions, 3D geometry Further work. East of Faroe Islands (ten 2-D lines, 1700 km total). 12 km. Pre-stack time migration. Top basalt.

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391 views • 20 slides

Time vs Depth Migration

Time vs Depth Migration. CMP Gather. CMP Gather. time. time. Depth Migration. Time Migration. Insensitive to v(z) model. Sensitive to v(z) model. Incoherent summation if guess is wrong. Time migration uses best fit hyperbola. Coherent summation. Depth migration uses best

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745 views • 18 slides

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