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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'