W2V12 Reservoir Simulation V2016 Handout V2

8/17/2019 W2V12 Reservoir Simulation V2016 Handout V2

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W2V12 – Reservoir simulation– p. 1

© IFPEN - IFP School 2016 / © TOTAL SA 2016

© IFPEN - IFP School 2015 / © TOTAL SA 2015 / © IFP Training 2015

Oil & Gas

From exploration to distribution

Week 2 – V12 – Simulation Model and Field Development StrategyVladimir Choque-Flores


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Reservoir modeling

During thi l!on" #! #ill $!%in! #hat #! &!an '( a r!!r)oir i&ulation &o$!l" coni$!r it

'!n!%it" r!)i!# th! *!( unc!rtainti! aociat!$ #ith r!!r)oir i&ulation an$ +r!!nt th!

&ain iu! in $!%ining a %i!l$ $!)!lo+&!nt trat!g(, At thi tag!" #! #ill %ocu on th! thir$+art o% th! r!!r)oir !ngin!!ring ch!&! #hich i th! r!!r)oir &o$!ling

Reservoir simulation i th! +roc! o% in%!rring th! '!ha)iour o% %lui$ %lo# in a +!trol!u&

r!!r)oir (t!& an$ it. a +o#!r%ul tool %or gui$ing r!!r)oir &anag!&!nt $!ciion, Th!

&ain o'!cti)! o% r!!r)oir &o$!l ar!" in th! a++raial +ha! to i$!nti%( unc!rtainti! an$

$!%in! th! n!!$ o% $ata, Th!n" in th! %i!l$ $!)!lo+&!nt +ha! to i$!nti%( +ro$uction

&!chani&" $!%in! th! nu&'!r" location an$ t(+! o% #!ll" +r!$ict +ro$uction +ro%il! an$

a! th! ri* aociat!$ to th! +ro!ct, Fro& thi" #! can conclu$! that it i in$!!$ a tool

%or $!ciion &a*ing,

Data Synthesis and Integration

In th! contruction o% a r!!r)oir &o$!l" th! &ain in+ut ar!

1, The geologial model! !+lain!$ +r!)ioul(" #hich r!+r!!nt th! r!!r)oir '( a gri$

containing &illion o% 'loc*" !ach o% th!& +o+ulat!$ #ith +ro+!rti! uch a

+oroit( an$ +!r&!a'ilit(,

2, The "luid #hich i charact!ri!$ to $!%in! th! t(+! o% %lui$ an$ th! +ha! $iagra&,

3, The "luid "lo# $ehaviour #hich #ill $!%in! ho# !ail( t#o or thr!! +ha! %lo#

i&ultan!oul( in th! +orou &!$ia,

4, The prodution data #hich conc!rn th! reservoir pressure an$ "luid rates $uring

th! +ro$uction +ha! allo#ing th! +ro$uction &!chani& to '! a!!$,


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All th!! $ata ar! int!grat!$ in th! r!!r)oir &o$!l #hich i &or! or l! co&+l! $!+!n$ing

on th! +ro!ct o'!cti)!

Reservoir Simulation Model

Onc! th! $ata ha)! '!!n int!grat!$ #! can intro$uc! th! r!!r)oir &o$!l,

Th! co&+l!it( o% u!tion an$ th! $ata a)aila'l! #ill $!t!r&in! th! o+hitication o% th!

&o$!l to '! u!$,

7!r!" #! #ill onl( intro$uc! t#o &o$!l The tank model" #hich i a !ro-$i&!nional

&o$!l u!%ul %or initial r!!r)oir !ti&ation" an$ the up%saled reservoir simulation model"

#hich i a thr!!-$i&!nional &o$!l,

Th! tan* &o$!l i a )!r( i&+l! &o$!l #h!r! th! r!!r)oir i r!+r!!nt!$ a an

ho&og!n!ou )olu&! #ith a uniu! +oroit(" +r!ur!" !tc,

7!r!" th! &at!rial 'alanc! !uation i ol)!$ an$ th! &ain o'!cti)! ar! to ch!c* th! $ata

conit!nc(" !ti&at! th! %lui$ in +lac! an$ +r!$ict +ro$uction +ro%il!,


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Th!n #! ha)! th! u+-cal!$ r!!r)oir &o$!l" #h!r! th! r!!r)oir i r!+r!!nt!$ '( a gri$ in

#hich th! +ac! i $icr!ti!$ in 3 $i&!nion, Th! g!ological gri$ i u+-cal!$ to r!$uc! th!

nu&'!r o% 'loc* in or$!r to i&+li%( th! r!olution,

L!t. call a g!n!ric 'loc* 8i. !changing oil" ga an$ #at!r #ith it n!igh'oring 'loc*,

Sol)ing th! &at!rial 'alanc! !uation" #! o'tain th! +r!ur! an$ aturation %or oil" ga

an$ #at!r at !ach ti&! t!+ an$ %or !ach 'loc* r!ulting in oil aturation an$ +r!ur!

$itri'ution !)ol)ing #ith ti&!,


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L!t. !! an !a&+l! #ith on! in!ctor #!ll" I1" an$ t#o +ro$uc!r #!ll" P1 an$ P2,

Loo*ing at th! oil aturation $itri'ution in on! la(!r" #! o'!r)! th! #at!r %ront a$)ancing

%ro& th! in!ctor #!ll to th! +ro$uc!r #!ll, Th! %lo# ho# a chann!l +ath that

corr!+on$ to a %lu)ial $!+oitional !n)iron&!nt,

9h!n #! i&+l!&!nt r!!r)oir i&ulation &o$!ling #! can i&ulat! $i%%!r!nt #!ll location

an$ +!r%oration" +ro$uction an$ in!ction rat!" !tc #hich allo# u to !)aluat! $i%%!r!nttrat!gi! in or$!r to o+ti&i! th! r!!r)oir +!r%or&anc!,

A !!n until no#" &o$!ling an$ i&ulation i&+l( $ata int!r+r!tation an$ au&+tion"

th!r!%or! it. n!c!ar( to coni$!r th! unc!rtainti!" uch a th! %lui$ in +lac!" th!

g!ological $!cri+tion" th! +r!!nc! o% an acti)! aui%!r" th! %lui$ an$ %lo# +ro+!rti! an$th! roc* +ro+!rti! $itri'ution,

Th!! unc!rtainti! r!+r!!nt th! ri* o% th! +ro!ct an$ &ight '! r!$uc!$ '( carr(ing out

!i&ic ur)!(" $rilling a++raial #!ll" con$ucting #!ll t!t" !tc

Field Development Strategy

No# that #! un$!rtan$ ho# r!!r)oir &o$!l ar! 'uilt an$ #hat #! can o'tain %ro& th!&"

#! #ill '! a'l! to un$!rtan$ ho# u!%ul th!( ar! to !)aluat! $i%%!r!nt trat!gi! to $!)!lo+an oil%i!l$,

Loo*ing at th! li%! c(cl! o% a h($rocar'on %i!l$" th! $!)!lo+&!nt +ha! in)ol)! th! choic!

o% th! initial $!)!lo+&!nt +lan an$ th! contruction o% th! %i!l$. +ro$uction %aciliti!,

:!!r)oir i&ulation &o$!l ar! u!$ %ro& th! a++raial +ha! right u+ to th! !n$ o%

+ro$uction to $!%in! th! %i!l$ $!)!lo+&!nt trat!g(,


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1, In or$!r to !t u+ a %i!l$ $!)!lo+&!nt trat!g(" #! &ut %irt $!cri'! th! %i!l$ an$

un$!rtan$ th! %i!l$ '!ha)iour, Th!! +oint #!r! co)!r!$ in th! t#o +r!)iou

l!on,

2, S!con$l(" !)!ral $!)!lo+&!nt trat!gi! n!!$ to '! %or&ulat!$" 'a!$ on a !ri! o%

r!!r)oir i&ulation tu$i!" th! &ain o'!cti)! '!ing

; to $!t!r&in! th! +ro$uction +ro%il!" th! nu&'!r o% #!ll" th!ir location

an$ t(+!"

;

an$" to !ti&at! th! i&+act o% unc!rtainti!,3, Finall(" th! &anag!&!nt #ill &a*! a $!ciion 'a!$ on th! !)aluation o% +ro$uction

+ro%il!" !cono&ic +!r%or&anc! an$ ri*,

Th! %irt t!+ i th! $!cri+tion an$ un$!rtan$ing o% th! %i!l$ '!ha)iour" a #! ha)! ut

!!n tog!th!r,Th! !con$ t!+ in th! %i!l$ $!)!lo+&!nt +lan in)ol)! th! +r!$iction o% th! +ro$uction

+ro%il!,

A t(+ical +ro$uction +ro%il! inclu$!

• & ramp%up phase r!lat!$ to th! incr!aing nu&'!r o% #!ll"

• & plateau corr!+on$ing to th! %i!l$ +ro$uction +ot!ntial, Thi +lat!au rat! i uuall(

%i!$ a a +!rc!ntag! o% th! !ti&at!$ ulti&at! r!!r)!" call!$ E


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In or$!r to +r!$ict th! r!!r)oir '!ha)iour" it i i&+ortant to un$!rtan$ th! +ro$uction

&!chani& in !ach +ha! o% +ro$uction,

In th! natural $!+l!tion +ha!" th! +ro$uction &!chani& +r!!nt #ill '! %lui$ !+anion"

+or! co&+action an$ +ot!ntiall( oth!r &!chani& uch a aui%!r in%lu %ro& an aui%!r,

A%t!r#ar$" th! +r!ur! u++ort can alo '! !t!rnal an$ +ro$uc!$ '( #at!r or ga

in!ction,Th! +r!ur! u++ort can alo '! !t!rnal an$ +ro$uc!$ '( #at!r or ga in!ction, In thi

ca! 9hat i th! targ!t %or r!!r)oir +r!ur!= 9h!n #ill th! in!ction tart= 9hich %lui$

#ill '! in!ct!$=

Finall(" in th! $!clin! +ha!" #! can i&+l!&!nt an( i&+ro)!$ oil r!co)!r( t!chniu!

!nhanc!$ oil r!co)!r(" in%ill $rilling" arti%icial li%t !tc,

At thi tag! #! ar! a'l! to +ro+o! $i%%!r!nt con%iguration %or #!ll" r!ulting in $i%%!r!nt

+ro$uction +ro%il!,

9! '!gin calculating th! nu&'!r o% #!ll '( $i)i$ing th! +lat!au rat! to '! +ro$uc!$ '( th!

a)!rag! +ro$uction rat! +!r #!ll, >no#ing that thi i a th!or!tical calculation" #! #ill

i&+l!&!nt $i%%!r!nt nu&'!r o% #!ll in th! i&ulation &o$!l" $i%%!r!nt location an$

+!r%oration l!)!l,

In thi !a&+l!" th! &ini&u& nu&'!r o% #!ll to achi!)! th! +ro$uction +lat!au i 3,

A #! incr!a! th! nu&'!r o% #!ll" th! +lat!au lat long!r, Th! $i%%!r!nc! '!t#!!n $rilling

4 or 6 #!ll i )!r( &all" #! &ut loo* th!n at th! !cono&ic +!r%or&anc! in or$!r to &a*!

a choic!, I th! incr!&!ntal oil r!)!nu! high!r than th! in)!t&!nt= 7a)! #! r!ach!$ th!

o+ti&u& nu&'!r o% #!ll=


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Anoth!r i&+ortant iu! in th! #!ll $!%inition i th! t(+! o% #!ll, Th! &ot co&&on t(+!

ar!

1, Vertial #ells' r!co&&!n$!$ in r!!r)oir #ith )!rtical co&+art&!nt,

2, Deviated #ells' $!+!n$ing on th! r!!r)oir tructur!,

3, (ori)ontal #ells' r!co&&!n$!$ in narro# la(!r" lo# +!r&!a'ilit( r!!r)oir an$

co&+art&!ntali!$ r!!r)oir,

A #! ha)! !!n" th! r!!r)oir &o$!l +ro)i$! +r!$iction o% r!!r)oir '!ha)iour %or a

#hol! rang! o% +oi'l! r!co)!r( ch!&!, A%t!r ha)ing !)aluat!$ !)!ral %i!l$ $!)!lo+&!nt

trat!gi!" #ith th!ir o#n +ro$uction +ro%il!" $i%%!r!nt #!ll (t!& nu&'!r" location an$

t(+! o% #!ll an$ !cono&ic +!r%or&anc! th! o+tion ar! co&+ar!$ an$ +r!!nt!$ to th!

&anag!&!nt,


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Th! &anag!&!nt? $!ciion #ill '! 'a!$ u+on th! +ro$uction +ro%il!" th! !cono&ic

+!r%or&anc! an$ th! ri* aociat!$ to unc!rtainti!,

A%t!r all th!! int!r!ting :!!r)oir Engin!!ring l!t u no# %ocu into th! +ro$uction o% th!

*no#n %lui$ in our r!!r)oir in th! %ollo#ing &o$ul!,

W2V12 Reservoir Simulation V2016 Handout V2

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