San

Juan

Fra

ctur

e C

hara

cter

izat

ion

Proj

ect:

Stat

us a

nd C

urre

nt R

esul

ts

E.L.

Maj

er, T

.M. D

aley

, L.R

. Mye

r, K

. Nih

ei

Law

renc

e Be

rkel

ey N

atio

nal L

abor

ator

y

J. Q

ueen

, J. S

into

n, J.

Mur

phy,

M. F

ortu

na -

Con

oco,

Inc

H.B

. Lyn

n

Lynn

, Inc

M.A

. Im

hof a

nd R

. Wils

on

Virg

inia

Tec

h

Dev

elop

men

t and

Val

idat

ion

of th

e N

ext G

ener

atio

n Se

ism

ic Im

agin

g M

etho

ds fo

r Qua

ntify

ing

Nat

ural

ly

Frac

ture

d G

as R

eser

voirs

Indu

stry

: C

onoc

o In

c., S

chlu

mbe

rger

-Dol

l Res

earc

h,

Schl

umbe

rger

Res

ervo

ir Te

chno

logi

es,

Lynn

Inc.

Uni

vers

ity:

Stan

ford

Uni

vers

ity, V

irgin

ia T

ech

Law

renc

e B

erke

ley

Nat

iona

l Lab

orat

ory

Stat

emen

t of P

robl

em�

Smal

l fra

ctur

es o

ften

cont

rol t

he p

erm

eabi

lity

over

a

larg

e ar

ea�

Frac

ture

d re

serv

oirs

ofte

n oc

cur i

n he

tero

geno

us

geol

ogic

env

ironm

ents

�Pa

st a

dvan

ces i

n se

ism

ic im

agin

g us

ing

surf

ace

met

hods

iden

tify

anis

otro

py�

Ani

sotro

py c

an b

e ca

used

by

geol

ogic

fabr

ic a

s w

ell a

s fra

ctur

es�

Nee

ded

are

met

hods

/app

roac

hes t

o so

rt ou

t the

di

ffer

ent e

ffec

ts in

ord

er to

iden

tify

the

frac

ture

s co

ntro

lling

flow

and

tran

spor

t

Nee

ds

�To

day ’

s tec

hnol

ogy

can

loca

te fr

actu

re

patte

rns a

nd g

ener

al g

eom

etry

, but

ther

e ar

e no

relia

ble

met

hods

to q

uant

ify fr

actu

re

char

acte

ristic

s�

Frac

ture

den

sity

�Fr

actu

re sp

acin

g�

Frac

ture

inte

ract

ions

�Fr

actu

re fi

lling

s�

Frac

ture

per

mea

bilit

y

Ove

rall

Obj

ectiv

es

�Ex

tend

cur

rent

stat

e-of

-the-

art 3

-D im

agin

g to

ext

ract

the

optim

al in

form

atio

n fo

r fr

actu

re q

uant

ifica

tion

�D

evel

op n

ext g

ener

atio

n ca

pabi

lity

in

frac

ture

imag

ing

for t

rue

3-D

imag

ing

of th

e st

atic

and

dyn

amic

frac

ture

pro

perti

es

Hyp

othe

sis A

ddre

ssed

�Se

ism

ic w

avef

orm

s con

tain

the

info

rmat

ion

to

map

and

qua

ntify

the

nece

ssar

y fr

actu

re p

rope

rties

(d

etec

tabi

lity

hypo

thes

is)

�To

obt

ain

the

nece

ssar

y se

ism

ic d

ata,

larg

er b

and-

wid

ths,

grea

ter d

ynam

ic ra

nge

and

spat

ial

cove

rage

can

onl

y be

pro

vide

d w

ith su

bsur

face

m

etho

ds (h

igh

freq

uenc

y hy

poth

esis

)�

Tech

nolo

gy is

ava

ilabl

e, o

r soo

n to

be

avai

labl

e, to

ob

tain

the

nece

ssar

y sp

atia

l cov

erag

e, b

and

wid

th,

and

dyna

mic

rang

e in

a c

ost-e

ffec

tive

fash

ion

(tech

nolo

gy h

ypot

hesi

s)

Task

s

�M

odel

ing

�Fi

eld

Mea

sure

men

ts�

Proc

essi

ng a

nd In

terp

reta

tion

�R

eser

voir

Sim

ulat

ion

Theo

retic

al B

ackg

roun

d

�C

onve

ntio

nal m

odel

: fra

ctur

ed ro

ck

repr

esen

ted

by e

ffec

tive

anis

otro

pic

med

ium

.

�St

ate-

of-th

e-ar

t mod

el: f

ract

ures

repr

esen

ted

by “p

oint”s

catte

rers

.

�Ex

plic

it fr

actu

re m

odel

: fra

ctur

es p

rodu

ce

wav

es n

ot p

redi

cted

by

eith

er o

f abo

ve

appr

oach

es.

Seis

mic

Cha

ract

eris

tics o

f Fr

actu

res

?Fr

actu

res r

educ

e ve

loci

ty, i

ncre

ase

atte

nuat

ion

?Fr

actu

res a

ct a

s sca

ttere

rs

?Sc

ale

is im

porta

ntL

on

g W

avel

eng

thE

ffec

tive

Med

iaR

epre

sen

tati

on

Eff

ects

of

Dis

cret

eF

ract

ure

Wav

e Pr

opag

atio

n in

Fra

ctur

ed R

ock

P-wave

S-wave

sour

ce -6.7

e-06

-3.3

e-06

0.0e

003.

3e-0

6

P-w

ave

S-w

ave

sour

ce

3040

5060

S-wave RIW

HW

P-wave

source 30

.040

.050

.060

.0

-6.7

e-06

-3.3

e-06

0.0e

003.

3e-0

6

S-w

ave

RIW

HW

P-wave

source

Ho

mo

gen

eou

s m

ediu

m

wit

h o

ne

frac

ture

Eq

uiv

alen

t h

om

og

eneo

us

med

ium

?Ene

rgy

parti

tioni

ng a

ffec

ted

by d

iscr

ete

frac

ture

s

?Fra

ctur

es in

an

equi

vale

nt m

ediu

m sl

ow a

nd a

ttenu

ate

and

can

resu

lt in

ef

fect

ive

anis

otro

pic

prop

ertie

s

Frac

ture

Cor

e Sa

mpl

e

App

roac

h�

Past

wor

k ha

s bee

n in

smal

ler s

cale

exp

erim

ents

, th

eory

and

labo

rato

ry w

ork

has s

uppo

rted

high

fr

eque

ncy

and

dete

ctab

ility

hyp

othe

sis

�N

ow w

e ar

e re

ady

to sc

ale

up to

fiel

d sc

ale

in

prod

uctio

n en

viro

nmen

t�

Dev

elop

met

hods

in c

onju

nctio

n w

ith u

sers

and

im

plem

enta

tion

of te

chno

logy

for o

ptim

al

tech

nolo

gy tr

ansf

er�

Toda

y ’s e

cono

mic

env

ironm

ent r

equi

res c

ost

shar

ing

and

leve

rage

App

roac

h (c

ont.)

�Se

lect

fiel

d w

ith fo

llow

ing

attri

bute

s�

Econ

omic

ally

via

ble

�W

ell c

hara

cter

ized

with

oth

er in

form

atio

n�

Mat

ure

enou

gh to

test

met

hodo

logi

es�

Agg

ress

ive

infil

l-dril

ling

prog

ram

�C

oope

rativ

e op

erat

or w

ith v

isio

n an

d re

sour

ces

to a

pply

to p

robl

em, a

s wel

l as b

e ab

le to

im

plem

ent t

echn

olog

y�

Con

oco,

San

Juan

mee

ts a

ll cr

iteria

Mod

elin

g an

d A

naly

sis

�D

evel

op

new

pro

cess

ing

met

ho

ds

to q

uan

tify

fra

ctu

re

spac

ing

, ori

enta

tio

n a

nd

pro

per

ties

; d

evel

op

new

at

trib

ute

s.

�U

tiliz

e n

ew u

nd

erst

and

ing

of

pro

per

ties

of

the

dif

frac

ted

wav

efie

ld.

�A

pp

ly t

o b

oth

su

rfac

e se

ism

ic a

nd

hig

h r

eso

luti

on

si

ng

le w

ell,

VS

P, a

nd

cro

ssw

ell d

ata.

�D

evel

op

op

tim

um

acq

uis

itio

n g

eom

etri

es a

nd

fr

equ

enci

es, s

ou

rce

rece

iver

geo

met

ries

.

Theo

ry

1.D

iscr

ete

frac

ture

real

izat

ion

2.D

ynam

ic c

ompo

site

ela

stic

med

ium

th

eory

3.M

ixin

g m

odel

of g

as-f

luid

s

Seis

mic

Mod

elin

g of

Fra

ctur

es�

Dev

elop

men

t of a

hyb

rid 3

-D ra

y-fin

ite d

iffer

ence

wav

e pr

opag

atio

n si

mul

ator

fo

r mod

elin

g se

ism

ic w

ave

prop

agat

ion

in fr

actu

red

rese

rvoi

rs.

�N

umer

ical

2-D

and

3-D

par

amet

ric st

udie

s exa

min

ing

the

effe

cts o

f fin

ite

leng

th fr

actu

res e

mbe

dded

in sa

nd-s

hale

lith

olog

ies (

e.g.

, eff

ects

of f

ract

ure

spac

ing,

dim

ensi

ons,

and

stiff

ness

es) f

or su

rfac

e se

ism

ic, v

ertic

al se

ism

ic,

cros

swel

l, an

d si

ngle

wel

l acq

uisi

tion

geom

etrie

s and

freq

uenc

ies.

�A

naly

sis o

f wav

efie

lds f

or fr

eque

ncy-

depe

nden

t wav

e sp

eeds

, par

ticle

m

otio

ns, a

nd a

mpl

itude

s. A

naly

ses o

f the

par

titio

ning

of i

ncid

ent P

-and

S-

body

wav

es in

to th

e va

rious

frac

ture

-rel

ated

wav

es a

nd th

e su

bseq

uent

ra

diat

ion

off t

he fr

actu

re b

ack

into

bod

y w

aves

will

be

exam

ined

for b

oth

P-an

d S-

wav

e so

urce

s.

�M

odel

ing

of th

e se

ism

ic d

ata

obta

ined

from

the

VSP

, cro

ssw

ell,

and

sing

le

wel

l sur

veys

.

Mod

elin

g A

ppro

ach

�B

uild

3-D

mod

el.

�Fo

rwar

d m

odel

of s

urfa

ce se

ism

ic.

�C

ompa

re w

ith 3

-D su

rfac

e da

ta.

�R

efin

e an

d ite

rate

.

Ph

ase

I

Ph

ase

II

A li

tho-

mec

hani

cal m

odel

for

Aus

tin C

halk

�F

orw

ard

mo

del

fo

r si

ng

le w

ell

and

cro

ssw

ell c

on

fig

ura

tio

n.

�C

om

par

e w

ith

ob

serv

atio

ns.

�R

efin

e an

d it

erat

e.

Exam

ple

Mod

el R

esul

ts

0125

250

375

500

625

750

400

350

300

250

200

150

100

50

0

range (m)

P R(to

p)

P R(b

ot)

P T

verti

cally

frac

ture

d la

yer

100

Hz

P-w

ave

sour

ce (p

lane

wav

e)

diff

ract

ed w

aves

P-w

ave

Ref

lect

ion

off

a V

erti

cally

Fra

ctu

red

L

ayer

�2D

�B

ackg

rou

nd

: sa

nd

sto

ne

�F

ract

ure

d la

yer:

san

dst

on

e w

ith

fra

ctu

res

3-D

Mod

el�

Laye

red

mod

el a

bove

rese

rvoi

r.

�Ex

plic

it re

pres

enta

tion

of fr

actu

res i

n re

serv

oir i

nter

val

–B

ased

on

prev

ious

geo

phys

ical

and

ge

olog

ic

wor

k; o

utcr

op d

ata.

�O

ne a

ppro

ach:

ray

trace

thro

ugh

uppe

r la

yers

; 3-

D fi

nite

diff

eren

ce fo

r fra

ctur

ed re

serv

oir.

Fiel

d M

easu

rem

ents

�3-

D se

ism

ic d

ata

(Con

oco,

Lyn

n In

c.)

�P-

wav

es�

Mul

ticom

pone

nt�

VSP

mul

ticom

pone

nt (L

BN

L, S

chlu

mbe

rger

)�

Sing

le w

ell (

LBN

L, S

chlu

mbe

rger

)�

Orb

ital,

far o

ffse

t pie

zoel

ectri

c�

Hig

h fr

eque

ncy

�Se

mi-p

erm

anen

t/per

man

ent a

rray

s�

Tim

e la

pse

acqu

isiti

on�

Man

ipul

atio

n ex

perim

ents

Dep

loym

ent

of

LB

NL

Sin

gle

Wel

l Sys

tem

24ch

/24

bit d

igiti

zer

and

fiber

opt

ic fo

rmat

ter

AC

orb

ital

Fib

er o

ptic

cabl

e he

ad

AC

orb

ital

so

urc

e w

ith

bo

reh

ole

(c

ush

ion

s)

Ant

icip

ated

Pro

duct

s and

B

enef

its�

Gre

atly

adv

ance

d co

mm

erci

ally

ava

ilabl

e te

chno

logy

to q

uant

ify fr

actu

re p

rope

rties

in g

as

rese

rvoi

rs (S

chlu

mbe

rger

, Lyn

n In

c.)

�A

dvan

cem

ent a

nd o

ptim

izat

ion

of c

urre

nt 3

-D

seis

mic

tech

nolo

gy�

Leap

to tr

ue 3

-D su

bsur

face

imag

ing

usin

g se

ism

ic

met

hods

�Im

prov

ed li

nks w

ith re

serv

oir m

odel

ing

tech

nolo

gy fo

r fra

ctur

e ch

arac

teriz

atio

n

Sum

mar

y

�Jo

int I

ndus

try/U

nive

rsity

/Lab

coo

pera

tive

prop

osal

that

leve

rage

s res

ourc

es a

nd a

ccel

erat

es

com

mer

cial

izat

ion

of te

chno

logy

�A

ntic

ipat

ed P

rodu

cts

�O

ptim

ized

met

hods

for 3

-D su

rfac

e se

ism

ic fo

r fra

ctur

e qu

antif

icat

ion

�C

omm

erci

aliz

atio

n of

cur

rent

pro

toty

pe/re

sear

ch

bore

hole

seis

mic

met

hods

�B

irth

of a

new

tech

nolo

gy fo

r tru

e 3-

D im

agin

g

LBN

L Fr

actu

re Q

uant

ifica

tion

Proj

ect

Rev

iew

of S

eism

ic P

roce

ssin

g

Dec

embe

r, 20

00

Proc

essi

ng G

oals

�Pr

oces

s dat

a fr

om th

e Sa

n Ju

an B

asin

3-D

su

rvey

nec

essa

ry to

pro

duce

20

squa

re m

iles

of fu

lly im

aged

dat

a, u

sing

the

adva

nced

se

ism

ic p

roce

ssin

g te

chni

ques

sele

cted

by

LBN

L.�

Prov

ide

LBN

L w

ith d

ata

nece

ssar

y to

mee

t th

e go

als o

f all

partn

ers.

2200

000

2180

000

2160

000

2140

000

Are

a of

Inte

rest

Raw

Dat

a

Proc

essi

ng S

eque

nce

Preprocessing

Imaging

�Ed

it tra

ces,

appl

y ge

omet

ry�

Ref

ract

ion

stat

ics &

V

A�

GD

cor

rect

ion

�So

urce

noi

se

atte

nuat

ion

�SC

AC

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oise

des

pike

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o pa

sses

of R

S &

V

A�

Tau-

P de

mul

tiple

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appe

d de

con

�M

VX

P, C

MP

stat

ics,

Filte

r�

2-pa

ss F

K m

igra

tion

�K

BST

M�

Azi

mut

hal K

BST

M�

VA

& S

tack

�Po

st-p

roce

ssin

g &

co

here

ncy

enha

ncem

ent.

Typi

cal V

eloc

ity A

naly

sis

8000

12000

16000

20000

8000

12000

16000

20000

Raw

Fina

l

Mul

tiple

s

V1

V2

KB

STM

Lin

e 13

90

1.0

1.0

2.0

2.0

0.4

0.4

0.6

0.6

0.8

0.8

1.2

1.2

1.4

1.4

1.6

1.6

1.8

1.8

2.2

2.2

2.4

2.4

2.6

2.6

1210

1230

1250

1270

1290

1310

East

Wes

t

KB

STM

Xlin

e126

01340

1360

1380

1400

1420

1440

1.000

2.000

0.400

0.600

0.800

1.200

1.400

1.600

1.800

2.200

2.400

2.600

1.000

2.000

0.400

0.600

0.800

1.200

1.400

1.600

1.800

2.200

2.400

2.600

Nor

thSo

uth

1420

Acq

uisi

tion

Foot

Prin

t Slic

e ta

ken

at1.

2 s t

wt

1440

N

SUM

MA

RY

�R

epro

cess

ing

sign

ifica

ntly

impr

oved

dat

a qu

ality

.�

Shal

low

dat

a im

prov

ed b

y or

der o

f mag

nitu

de.

�N

ew se

ism

ic v

olum

e is

con

sist

ent w

ith k

now

n ge

olog

ic d

ip.

�R

efle

ctio

ns a

re m

ore

cons

iste

nt a

nd h

ave

appa

rent

ly h

ighe

r S/N

.

�LB

NL

was

pro

vide

d w

ith th

e fo

llow

ing

data

.�

SEG

Y ta

pes o

f edi

ted “ra

w”d

ata

with

geo

met

ry.

�SE

GY

tape

s of p

repr

oces

sed

data

with

outd

econ

volu

tion.

�Se

vera

l diff

eren

t typ

es o

f fol

d of

stac

k pl

ots f

or

anis

otro

py a

naly

sis.

�SE

GY

tape

s of K

AST

M v

olum

e.�

SEG

Y ta

pes o

f fin

al K

BST

M v

olum

e.�

Prel

imin

ary

and

final

(in

prog

ress

) pro

cess

ing

repo

rts.

Inte

rpre

tatio

n/A

zim

uth

Gat

hers

H.B

. Lyn

n, L

ynn

Inc.

Tim

e M

ap –

Pt. L

ooko

ut –

Xlin

e 12

32

Pt. L

ooko

ut T

ime

& A

mpl

. Map

Lin

e 14

13 –

Site

9 –

Men

efee

, Pt.

Lko

ut T

ime

Map

s

L-13

61–t

ime

map

eve

nt 1

520

Tim

e an

d A

mpl

. Map

s: G

reen

horn

Az.

Gat

her S

ite 5

–X

L 12

80

Azi

mut

h G

athe

rs

�9x

9 C

MP

bins

join

ed to

form

a su

per-

gath

er�

Dat

a th

en so

rted

first

ly b

y az

imut

h, 0

-360

o , at

30o

incr

emen

ts: 1

2 az

imut

hs to

vie

w�

Dat

a so

rted

seco

ndly

by

offs

et (0

-10k

ft)�

1-fo

ld d

ata

to b

e sh

own:

no

binn

ing

(yet

) to

offs

et d

imen

sion

, no

dem

ultip

le; h

as 1

N

MO

func

tion

appl

ied.

Site

5: N

45E,

N28

5E

Site

5 –

azim

uth

gath

ers ’

times

& a

mpl

.s

Site

5 –

az. g

athe

rs-T

ime

map

3D

Site

6 –

az g

athe

rs &

3D

seis

mic

Site

6 –

Gre

enho

rn m

aps

Con

clus

ions

–D

ec. 2

000

�A

zim

utha

l var

iatio

ns in

trav

eltim

e &

am

plitu

de o

bser

ved

at se

vera

l loc

atio

ns�

N45

E (+

45) e

arlie

r tim

e at

som

e az

.gat

her

loca

tions

�N

135E

(+45

) lat

er ti

me

at so

me

loca

tions

2001

Wor

k�

Inte

rpre

t az.

gat

hers

with

dem

ultip

le, a

nd o

ffse

t bi

nnin

g –

Tom

Dal

ey’s

kind

cre

atio

n th

ereo

f�

Doc

umen

t az ’l

var

iatio

ns in

targ

et in

terv

al a

t ten

lo

catio

ns su

pplie

d by

the

Con

oco

busi

ness

uni

t (tr

avel

time,

am

plitu

de, e

tc.)

�Ev

alua

te /

map

lim

ited-

azim

uth

3D v

olum

es fo

r az’l

varia

tions

(tim

e, a

mpl

., et

c.)

�Pa

rtici

pate

in m

odel

ing

and

deve

lopm

ent o

f new

an

alys

is m

etho

ds fo

r cha

r. fr

ac.s

in re

fl. d

ata

�2D

/3D

mul

ti-co

mpo

nent

surv

ey /

desi

gn a

cq.

Mod

elin

g an

d A

naly

sis o

f San

Ju

an F

ract

ured

Res

ervo

irSt

atus

Rep

ort -

Dec

embe

r 6, 2

000

Tom

Dal

ey

Larr

y M

yer,

Erni

e M

ajer

, Kur

t Nih

eiLB

NL

John

Que

en, J

im M

urph

y, M

ark

Fortu

naC

onoc

o, In

c

Mot

ivat

ion

�M

odel

rese

rvoi

r sca

le e

ffec

ts o

f fra

ctur

ing

usin

g a

disc

rete

frac

ture

mod

el (r

athe

r tha

n an

equ

ival

ent m

edia

mod

el) t

o in

vest

igat

e fr

actu

res o

f var

ying

scal

e le

ngth

s and

m

echa

nica

l pro

perti

es.

�O

btai

n a

field

scal

e nu

mer

ical

CD

P da

ta se

t to

con

stra

in a

nd g

uide

the

anal

ysis

of S

an

Juan

3D

surf

ace

seis

mic

.

Met

hod

�2D

Fin

ite-d

iffer

ence

, el

astic

, ani

sotro

pic

code

.�

Ver

tical

frac

ture

s mod

eled

as s

ingl

e co

lum

n of

gr

id p

oint

s with

ani

sotro

pic

elas

tic p

aram

eter

s w

ithin

an

isot

ropi

c ba

ckgr

ound

.�

Impl

emen

tatio

n in

fortr

an b

y K

urt N

ihei

�R

ef: C

oate

s and

Sch

oenb

erg,

Geo

phys

ics

1995

, Fi

nite

-diff

eren

ce m

odel

ing

of fa

ults

and

frac

ture

s.�

Ref

: Sch

oenb

erg

and

Saye

rs, G

eoph

ysic

s, 19

95,

Seis

mic

ani

sotro

py o

f fra

ctur

ed ro

ck.

Proj

ect H

isto

ry�

Mat

eria

l pro

perti

es o

f Mes

a V

erde

and

oth

er u

nits

ta

ken

from

wel

l log

s with

sing

le la

yer u

sed

abov

e th

e M

esa

Ver

de.

�In

itial

9-la

yer m

odel

dev

elop

ed, u

sed

for G

X-I

I ra

y-tra

cing

, the

n si

mpl

ified

for i

nitia

l F-D

mod

els.

�FD

mod

els 1

01-1

03: 3

-laye

rs, 3

frac

ture

s, de

fine

F-

D p

aram

eter

s, LB

NL

Rep

ort M

ay, 2

000.

�m

odel

104

-si

ngle

frac

ture

-"r

easo

nabl

e"

prop

ertie

s, in

hom

ogen

eous

bac

kgro

und

His

tory

Con

tinue

d�

Mod

el 1

05 -

mul

tiple

frac

ture

s (ab

out 1

00 m

sp

acin

g)�

Mod

el 1

06: 5

-laye

rs w

ith c

onst

ant p

rope

rties

�M

odel

107

: 2 fr

actu

re se

ts w

ith d

iffer

ent p

rope

rties

in

mod

el 1

06�

Mod

el 1

08: 2

frac

ture

sets

with

diff

eren

t len

gths

an

d di

ffer

ent p

rope

rties

�M

odel

109

: mod

el 1

08 w

ith 5

-laye

r vel

ocity

st

ruct

ure.

Fi

rst C

MP

data

gen

erat

ed!

Cur

rent

Mod

el S

uite

�M

odel

110

: R

efin

e F-

D p

aram

eter

s, es

tabl

ish

base

line

5-la

yer m

odel

with

no

frac

ture

s.�

Mod

el 1

11: A

dd fr

actu

res t

o C

liff H

ouse

. Thi

n la

yer,

smal

l fra

ctur

e sp

acin

g, h

ighe

r fra

ctur

e st

iffne

ss�

Mod

el 1

12: A

dd "

faul

ts"

to M

esa

Ver

de. T

hick

la

yer,

larg

e fr

actu

re sp

acin

g, lo

w fr

actu

re st

iffne

ss�

Mod

el 1

13: C

ombi

ne 1

11 a

nd 1

12�

Gen

erat

e V

SP d

ata

sets

for m

odel

s 110

-113

.

Cur

rent

Mod

el P

aram

eter

s�

Size

: 225

0 x

2250

m (7

400

x 74

00 ft

) +b

ound

ary

with

dat

um: 1

50 m

from

top

�5

Laye

rs, 2

frac

ture

sets

�Sm

all f

ract

ures

in C

liffh

ouse

:St

iffne

ss 8

x10^

9 Pa

/m e

very

21

m�

Larg

e fa

ults

in M

esa

Ver

de:

Stiff

ness

8x1

0^8

Pa/m

eve

ry 6

50 m

Cur

rent

Mod

el P

aram

eter

s Con

t.

�So

urce

and

Rec

eive

r spa

cing

: 60

m(~

200f

t),

38

tota

l sou

rces

and

rece

iver

s).

�So

urce

cen

ter f

requ

ency

: 50

Hz

�W

avel

engt

h: P

-wav

e 75

-90m

, S-

wav

e 43

-53

m�

Grid

Siz

e: 3

m

Tim

e sa

mpl

e: 0

.4m

s�

Cal

cula

ted

Out

put:

Ver

tical

and

Hor

izon

tal

com

pone

ts o

f vel

ocity

, pr

essu

re

Arc

h R

ock

#1 V

SP A

cqui

sitio

n�

Sing

le O

ffse

t, 9-

C V

SP�

P-an

d S-

Wav

e V

ibro

seis

Sou

rces

�5-

Leve

l 3-

Com

pone

nt G

eoph

one

Strin

g�

265

Dep

ths R

ecor

ded,

60

-616

0 ft.

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ffse

t P-w

ave

Sour

ce fo

r Sen

sor O

rient

atio

n�

8-80

Hz,

8s +

3 s

swee

p, 1

0 sw

eeps

/sou

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Arc

h R

ock

#1 S

ingl

e W

ell

Surv

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Piez

oele

ctric

Sou

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�24

Hyd

roph

one

Sens

ors @

10

ft. sp

acin

g�

260

ft. m

inim

um o

ffse

t�

5000

ft. t

o 33

00 @

10

ft. so

urce

spac

ing

Rec

ent P

rogr

ess

�C

alcu

latio

n of

full

CM

P da

ta se

t for

mod

els

110,

111

, 112

and

113

usi

ng C

onoc

o su

per-

clus

ter

�A

cqui

sitio

n of

9-C

VSP

and

Sin

gle

Wel

l su

rvey

s at A

rch

Roc

k #1

wel

l�

Mod

elin

g of

VSP

in m

odel

s 110

, 111

, 112

, 11

3

Model 113W

ave

Snap

shot

and

Mod

el 1

13 (t

wo

frac

ture

sets

)

3-3-

D D

ata

Cub

e -

Arb

itrar

y D

atum

3-D

Dat

a C

ube

Sh

ifte

d to

Arb

itrar

y D

atum

Mod

el 1

13 V

SP

CL

OSE

UP

OF

FRA

CT

UR

ES

FOR

MO

DE

L 1

CL

OSE

UP

OF

FRA

CT

UR

ES

FOR

M

OD

EL

1

2-D

FD

SIM

UL

AT

ION

MO

VIE

HO

RIZ

ON

TA

L G

EO

PHO

NE

VE

RT

ICA

L G

EO

PHO

NE

Ack

now

ledg

emen

tsTh

is w

ork

was

supp

orte

d by

the

assi

stan

t Se

cret

ary

for F

ossi

l Ene

rgy,

Nat

iona

l Ene

rgy

Tech

nolo

gy L

abor

ator

y. L

BN

L pr

oces

sing

w

as p

erfo

rmed

at t

he C

ente

r for

Com

puta

tiona

l Se

ism

olog

y, su

ppor

ted

by th

e D

irect

or, O

ffic

e of

Sci

ence

, Off

ice

of B

asic

Ene

rgy

Scie

nces

, D

ivis

ion

of E

ngin

eerin

g an

d G

eosc

ienc

es, o

f th

e U

.S. D

epar

tmen

t of E

nerg

y un

der C

ontra

ct

No.

DE-

AC

03-7

6SF0

0098

. W

e w

ould

like

to

than

k N

ETL

proj

ect m

anag

ers T

hom

as M

roz

and

Fran

ces T

oro

for t

heir

supp

ort.