Seismic reflection 1

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Receivers
source
reflector
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• Seismic measurementtool to obtain an image of
  the subsurface

Image

• Detect changes in the subsurface
• Detect objects

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Reflection Seismics
Raw data
Receiver
Source
t
t
t
t
t
t
Q
seismic Section
geology
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Seismic Imaging
Data acquisititie
Data processing
Interpretation
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Overview
Fundamentals
Introduction
Seismic waves Propagation Velocity and Amplitudes
Seismogram
Measurement systems
Sources, receivers, Acquisition strategies
Data processing
Pre-processing
Filter und Deconvolution
Velocity anlysis and Stacking
Migration
Interpretation
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Snapshots of wavefield propagation
Source
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Snapshots of wavefield propagation
Source
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Snapshots of wavefield propagation
Source
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Snapshots of wavefield propagation
Source
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Field of application
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geophones
dynamite
Acquisition on land
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Receivers
Source
Receivers
Time
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hydrophones
source
Acquisition on zee
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Source
Geophone and hydrophones
Acquisitie on The seabottom
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Seismic datacube
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Depth slice
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Geological interpretation
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Interpretation of west-east-line
W
E
0
0
100
100
200
200
300
300
400
400
500
500
600
600
700
depth m
time ms
200 m
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Time slice through a 3D seismic data set
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Time slice through a 3D seismic data set
(from Kearey and Brooks, 1991)