Migration in Seismic Prospecting

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Principles; Migration in the space-time & frequency domain; Optimised & non-linear migration; Effect of velocity structure inhomogeneity; Pseudo-three-dimensional & three-dimensional migrations; Peculiarities of migration results & technology.

Author(s): E.A. Kozlov
Series: Russian Translations Series, 82
Publisher: CRC Press/Balkema
Year: 1990

Language: English
Pages: 282
City: Leiden

Cover
Series Page
Half Title
Title Page
Copyright Page
Preface to English Translation
Table of Contents
Introduction
Chapter 1: The Principles of Migration
1.1 Wave Equation
1.2 Interaction of Incident and Reflected Waves
1.3 Kirchhoff’s Integral
1.4 Wavefield Continuation on the Basis of Analytical Integral Solutions of Wave Equations
1.5 Wavefield Continuation by Finite-Difference Solution of the Wave Equation
1.6 Models of the Medium and the Seismic Field; Formulation of the Problem of Migration
Chapter 2: Migration in the Space-Time Domain
2.1 Forward Wavefield Continuation
2.2 Inverse Wavefield Continuation
2.3 Features of Migration Based on Integral Transforms in the x, t-Domain
2.4 Finite-Difference Migration in the X, /-domain
Chapter 3: Migration in the Frequency Domain
3.1 Migration in Kx, -Domain
3.2 Migration in the Kx, t-Domain
3.3 Migration in x, -Domain
Chapter 4: Optimised and Non-Linear Migration
4.1 Ideal and Regularised Migration Filters
4.2 Migration in the Presence of Noise: Unordered Medium
4.3 Migration in the Presence of Noise: Ordered Medium
Chapter 5: Effect of Velocity Structure Inhomogeneity
5.1 Direct Migration
5.2 Recursive Migration
5.3 Estimation of Migration Velocities
5.4 Directivity Features of Migration
Chapter 6: Pseudo-Three-Dimensional and Three-Dimensional Migrations
6.1 Pseudo-Three-Dimensional Migration for Individual Seismic Profiles
6.2 Three-Dimensional Migration
6.3 Preparation of Input Data for 3-D Migration
Chapter 7: Some Peculiarities of Migration Results and Technology
7.1 Effect of Limited Size of Time Section
7.2 Aliasing Effects
7.3 Resolving Power of Migration
7.4 Migration Strategy
7.5 Summary
References