spectral decomposition bp
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Spectral Decomposition
The Road Ahead
G. Partyka
SEG - October 27, 2003
Recent Advances and the Road Ahead (SS3 2:!P"#
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Se$s%$c, &eo'o&y and s$%'at$on $n one day.
The Road Ahead
rea'-t$%e, cont$nos'y.
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)n spectral decomposition*e se sb-bands o+ se$s%$c +reenc$es to %a
$nter+erence $n the sbsr+ace
What Is Spectral Decomposition?
)n remotes sensing*e se sb-bands
o+ e'ectro-%a&net$c +reenc$es to %a
character$st$cs o+ the earths sr+ace
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Traditional Approach
Partyka, Thomas, Turco and Hartmann, SEG 2000
GEOLOGYWAVELET
GEOLOG
Y
WAVELET
WAVELET
GEOLOGY
Spectral Decomposition
IMPEDANCE
THICKNESS
ANDWIDTH
!A"ER
STACKIN#
DETECTI$Nand
RES$!%TI$N
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Iss&es
Sensiti'it()
/o* %ch &$dance can acost$ce'ast$c roert$es rov$de to reservo$r
assess%ent1
Scale)
/o* %ch se$s%$c reso't$on $s re$red1or $s detect$on eno&h1
Stratigraph(
Str&ct&re
SEISMIC
Reser'oir
Properties?
?Reser'oir
Per*ormance
Partyka, Thomas, Turco and Hartmann, SEG 2000
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WE!! +,
h4 Sectra' A%'$tde
+
0
Partyka, Thomas, Turco and Hartmann, SEG 2000
5 %$'e
-&antitati'e
Characteri.ation
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-&antitati'e
Characteri.ation
Partyka, Thomas, Turco and Hartmann, SEG 2000
5 %$'e
WE!! +,
6h$ckness (+eet#
0
100
50
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%ncertaint( and Errors at all Meas&rement Scales
SEISMIC SCA!E
WE!!/!$# SCA!E
C$RE SCA!E
Measurement Scale Uncertainty/Error Examples
%$crons-to-cent$%etres
cent$%etres-to-%etres
%etres-to-dec$%etres
sa%'$n& b$as da%a&ed '&s
*ashots too' rob'e%s
ac$s$t$on 8 rocess$n& art$+acts
RESER0$IR SCA!E %etres-to-k$'o%etres co%art%enta'$4at$on os$t$on$n&
Sho&ld 1e -C/a1le and -&anti*ia1le
Partyka, Thomas, Turco and Hartmann, SEG 2000
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Road Ahead
0ms
240ms
Amplit&de Cross/Sections
Maps
SeismicAttri1&tes
Bandlimited
e!lections
Seismic2 #eolog( and Sim&lation in Real Time
Reser'oirArchitect&re
Layer Stac"in#
T$ic"ness
%lo& and Stora#e Units
3eed1ac4 and -C 5/D Characteri.ation6Prediction
D(namicModelling
Reser'oir Sim&lation
'er!ormance 'rediction
(istory Matc$in#
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A !inear Piece/Wise Wor4*lo7
S&r*ace
Mapping
#eologic
Model
&ilding
%pscaling *orSim&lation
D(namic
Reser'oir
Modeling
SeismicImaging
#eologicInterpretation
time
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Conc&rrent In'estigation
Seismic Imaging
Reser'oir Sim&lation
#eologic Interpretation
red&ces &ncertaint(2 dead/ends2 and c(cle/time
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9a'$ty ata
What It Ta4es
signal noise
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An evo'v$n& too'k$t
What It Ta4es
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Marc Morrison/BP Frontiers
Evo'v$n& /$&h Per+or%ance ;o%t$n& Resorces
What It Ta4es
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A stab'e *ork$n& env$ron%ent that +osters co''aborat$on
and ra$d ro&ress.
What It Ta4es
Ac4no7ledgments)
"$chae'