INDEX

version 1.0 released 29/1/99

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

 


 

A

ABSORPTION

ACOUSTIC IMPEDANCE

ACQUISITION

ACQUISITION IN PRACTISE

ADJACENT TRACE REDUCTION

AGC - robust

AGC - reversible

AGC - testing

ALIASING - spatial

ALIASING - temporal

AMPLITUDE

AMPLITUDE SPECTRUM

AMPLITUDE VERSUS OFFSET

ANTI-ALIAS FILTER

APPRAISAL SURVEYS

ATTENUATION

AUTO CORRELATION

AUTOMATIC GAIN CONTROL (AGC)

AUXILLIARY TRACES

AVERAGE VELOCITY

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B

BANDPASS

BANDPASS FILTER

BIAS

BINARY TAPE HEADER

BRUTE STACK

BUTTERWORTH

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C

CARBONATES

CAUSAL

CDP

CHALK

CMP

CMP GATHER - CREATION FROM SHOTS

COMMON OFFSET DOMAIN

COMMON RECEIVER DOMAIN

COMMON SHOT DOMAIN

CONSTANT VELOCITY STACK

CONTRACTORS

CONTRACTORS

CONTRACTS - tendering and monitoring

CONVOLUTION

CORRELATION

CRITICAL ANGLE

CROSS CORRELATION

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D

DAM

DAS

DATA LOAD AND EDIT

DBS

DECIBELS

DECONVOLUTION - after migration

DECONVOLUTION - and filtering

DECONVOLUTION - gap tests

DECONVOLUTION - in practise

DECONVOLUTION - operator tests

DECONVOLUTION - poststack in practise

DECONVOLUTION - prestack in practise

DECONVOLUTION - signature

DECONVOLUTION - theory

DECONVOLUTION - white noise tests

DEPTH MIGRATION

DEPTH-VELOCITY-TIME RELATIONSHIP

DESIGN WINDOW

DESIGNATURE

DFT

DIFFRACTION

DIFFRACTION STACK (KIRCHHOFF) MIGRATION

DIP - EFFECT ON CMP

DISPERSION

DISPLAY - types

DISPLAY - bias

DISPLAY - gain

DISPLAY - polarity

DIVERGENCE CORRECTION

DIX EQUATION

DOWNWARD CONTINUATION

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E

EBCDIC TAPE HEADER

EOF - end of file

EQUALISATION

EXPLODING REFLECTOR MODEL

EXPONENTIAL GAIN

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F

FAR FIELD SIGNATURE

FFT

FILTER PRE-MIGRATION

FILTER TESTS

FINITE DIFFERENCE MIGRATION

FINITE DIFFERENCE MIGRATION - 15 DEGREE

FINITE DIFFERENCE MIGRATION - 45 DEGREE

FINITE DIFFERENCE MIGRATION - 65 DEGREE

FINITE DIFFERENCE MIGRATION - cascaded

FINITE DIFFERENCE MIGRATION - depth step

FINITE DIFFERENCE MIGRATION - dispersion

FINITE DIFFERENCE MIGRATION - in practice

FINITE DIFFERENCE MIGRATION - velocity error

FK MIGRATION

FK MIGRATION - FK

FK TRANSFORM

FOLD

FORMATS - navigation

FORMATS - seismic

FORMATS - seismic,velocity,navigation

FORMATS - velocity

FOURIER TRANSFORM

FREQUENCY DOMAIN

FUNCTION VELOCITY STACK

FX DOMAIN

FX MIGRATION

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G

GAIN- display

GAIN - exponential

GAIN - power

GAIN - programmed

GAP

GATHER

GATHER - COMMON OFFSET

GATHER - COMMON RECEIVER

GATHER - COMMON SHOT

GAZDAG MIGRATION

GAZDAG MIGRATION - in practice

GAZDAG MIGRATION - in practice

GEOMETRICAL DIVERGENCE - theory

GEOMETRIES - TYPICAL

GEOPHONES

GIBBS EFFECT

GPS - GLOBAL POSITIONING SYSTEM

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H

HAGEDOORN MIGRATION

HEADWAVE

HIGHPASS FILTER

HORIZON VELOCITY

HUYGENS PRINCIPAL

HYDROPHONES

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I

IMAGE RAYS

IMPULSE RESPONSE - migration

INTERACTIVE VELOCITY ANALYSIS

INTERFACE

INTERPOLATION - for migration

INTERVAL VELOCITY

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J

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K

KIRCHHOFF MIGRATION - amplitude and phase correction

KIRCHHOFF MIGRATION - anti alias filtering

KIRCHHOFF MIGRATION - aperture

KIRCHHOFF MIGRATION - beyond 90 degrees

KIRCHHOFF MIGRATION - depth

KIRCHHOFF MIGRATION - dip limits

KIRCHHOFF MIGRATION - in practice

KIRCHHOFF MIGRATION - interpolation

KIRCHHOFF MIGRATION - theory

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L

LAG

LEAST SQUARES

LIMESTONES

LOVE WAVES

LOWPASS FILTER

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M

MAXIMUM ENTROPY DECONVOLUTION

MAXIMUM PHASE

MIGRATION - 3D

MIGRATION - 3D hybrid

MIGRATION - 3D one pass

MIGRATION - 3D two pass

MIGRATION - by hand

MIGRATION - choice of algorithms

MIGRATION - data preparation

MIGRATION - depth

MIGRATION - finite difference

MIGRATION - Hale McLennan

MIGRATION - hybrid

MIGRATION - impulse response

MIGRATION - Li correction

MIGRATION - phase shift

MIGRATION - poststack

MIGRATION - prestack

MIGRATION - pspi

MIGRATION - residual

MIGRATION - smiles

MIGRATION - splitting

MIGRATION - STOLT

MIGRATION - time

MIGRATION - zero-offset

MIGRATION APERTURE

MIGRATION VELOCITY - definitition

MIGRATION VELOCITY - determination

MINIMUM ENTROPY DECONVOLUTION

MINIMUM PHASE

MIXED PHASE

MODELLING

MOVEMENT DUE TO MIGRATION

MOVEOUT

MULTI-CHANNEL DECONVOLUTION

MULTIPLES

MULTI-WINDOW DECONVOLUTION

MUTE

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N

NAVIGATION

NEAR FIELD SIGNATURE

NMO - 4th order

NMO STRETCH

NMO theory

NMO VELOCITY

NOISE FILES

NON CAUSAL

NOTCH FILTER

NYQUIST FREQUENCY

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O

OBSERVERS LOGS

OCTAVE

OMEGA-X MIGRATION

ONBOARD PROCESSING

OPERATOR LENGTH

ORMSBY

OVERCORRECTED

OVERMIGRATION

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P

PADDING - prior to migration

PALAEOZOIC SEDIMENTS

PASSBAND

PHASE SHIFT MIGRATION

PHASE SPECTRUM

POLARITY

POLARITY - RECORDING

POST-STACK - processing

POSTSTACK MIGRATION

POWER GAIN

PREDICTIVE DECONVOLUTION

PRESTACK - processing

PRESTACK MIGRATION

PROCESSING - flow

PROCESSING - introduction

PROCESSING - job

PROCESSING - post-stack

PROCESSING - prestack

PROCESSING - testing parameters

PROFILE

PROGRAMMED GAIN CONTROL

P-WAVE

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Q

Q

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R

RADON DOMAIN

RAYLEIGH WAVES

RAYS

RECEIVER

REFLECTION

REFRACTION

REFERENCES

REFLECTION COEFFICIENT

REGIONAL SURVEYS

RESAMPLING

REVERSE DIP

REVERSE TIME MIGRATION

RICKER WAVELET

RINGING

RMS VELOCITY

RUN-IN/RUN-OUT

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S

SALT IMAGING - flanks and sub-salt

SAMPLING

SCALAR WAVE EQUATION

SCATTERING

SEG-D

SEG-Y

SEISMIC EVENT

SEISMIC TRACE

SEMBLANCE

SHEAR WAVE

SHOT RECORDS - EXAMPLES

SIGNATURE DECONVOLUTION

SIGNATURE DECONVOLUTION - in practise

SLANT STACK

SNELL'S LAW

SORTING

SOURCE

SPATIAL ALIASING

SPECTRAL WHITENING/BALANCING

SPHERICAL DIVERGENCE - theory

SPHERICAL SPREADING CORRECTION

STACK

STACK - brute

STACKING VELOCITY

START OF DATA DELAY

STOLT MIGRATION - in practice

STOLT SHIFT

SURFACE WAVES

S-WAVE

SWELL NOISE SUPPRESSION

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T

TAPERING - prior to migration

TAU-P DOMAIN

TERTIARY SEDIMENTS

THIN LENS TERM

TIME DOMAIN

TIME MIGRATION

TIME VARIANT FILTER (TVF)

TIME-DEPTH-VELOCITY RELATIONSHIP

TRACE HEADERS

TRANSFORMS

TURNING RAY MIGRATION

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U

UNDERCORRECTED

UNDERMIGRATION

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V

VELOCITY - analysis interval

VELOCITY - average

VELOCITY - horizon

VELOCITY - interval

VELOCITY - migration

VELOCITY - NMO

VELOCITY - resolution

VELOCITY - RMS

VELOCITY - stacking

VELOCITY ANALYSIS

VELOCITY ANALYSIS - interactive

VELOCITY ANISOTROPY

VELOCITY INVERSION

VELOCITY QUALITY CONTROL

VELOCITY SPECTRUM

VELOCITY VERSUS DEPTH

VELOCITY-TIME-DEPTH RELATIONSHIP

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W

WAVE EQUATION - scalar

WAVE-FRONTS

WAVELET

WAVESHAPE DECONVOLUTION

WHITE NOISE

WIENER FILTER

X

Y

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Z

ZERO-CROSSING

ZERO-OFFSET

ZERO-OFFSET MIGRATION

ZERO-PHASE

ZERO-PHASE CONVERSION

ZOEPPRITZ

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