teknik produksi i-3_nodal

8/15/2019 Teknik Produksi I-3_nodal

1/25

Modul-3

TEKNIK PRODUKSI I

PRODUKTIVITAS FORMASI VERTICAL LIFT PERFORMANCE

CHOKE PERFORMANCE

HORIZONTAL FLOWPERFORMANCE

NATURAL FLOW WELL

NODAL ANALYSIS

Wibowo !TM UPN "V#$#%&'( Yo)*&+&%$&


2/25

CHOKE,EAN,!EPITAN,KERAN.A CHOKE,EAN,!EPITAN,KERAN.A

NN

Fu')/i 0 Menanggulangi back pressure dari fow line dan

separator, sehingga back pressure tsb tidakmengganggu tekanan tubing.

Mengatur besarnya laju produksi sumur

F#'o1#'& 0 Pw kecil, draw down pressure besar Q besar Ø choke besar Q besar krn Pw kecil, akbtnya

Pwh kecil

Back pressure besar Pwh besar Q kecil

Pu Pd

Pu 0 u2 /$%#&1 2%#//u%# Pw4

Pd 0 dow' /$%#&1 2%#//u%# P5

Pu 6 7 PdS*&%&$ So'i8 V#lo8i$* 0

9Pd,Pu: ;


3/25

CHOKECHOKE

P#%/&1&&' C4o+# P#%?o%1&'8#

1#%u2&+&' 4ubu')&' &'$&%& Pw4 @/

P#%/&1&&' #12i%i/ .ILERT 0R 0 .LR= M8?,bblS 0 Di&1#$#% 84o+#= ,B i'8i

0 R&$# P%od= 2d

Pw4 0 T#+&'&' Tubi')= P/i

Øck 0 ,B G,B B,B i'8i d/$ S 0 G B d/$

QS

RPwh

89,1

546,0435

=

QS

RPwh

89,1

546,0435

=


4/25

CHOKECHOKE

Co'$o4 0 D&$&


5/25

CHOKECHOKE

&engan mem'ariasikan harga Q akan didapat 'ariasi harga Pwh,kemudian diplot kedalam gra(k Pwh 's Q akan didapat garis linierdari titik ), dan bila dipotongkan terhadap kinerja sumurberproduksi akan dihasilkan laju produksi sumur dan tekanan

tubing optimum pada diameter choke tertentu *dalam hal ini +-"/

QS

RC Pwh

2

5,0

= QS

RC Pwh

2

5,0

= QS

RC Pwh

2

5,0

=

.&%i/ li'i#% d&%i $i$i+&ari contoh dimuka,

Pw? Pw4 Pw4

) )

Qma0 Qma0

IPR VFP

CP


6/25

CHOKECHOKE

QS

RC Pwh

2

5,0

= QS

RC Pwh

2

5,0

= QS

RC Pwh

2

5,0

=

W # l l P # %

? o % 1 C 4 o

+ # P # % ? o % 1

Pw4


7/25

ANALISIS NODAL ANALISIS NODAL

TU!UAN Mendapatkan laju produksi optimum sumur

dengan melakukan evaluasi secara lengkapdan terintegrasi pada sistem produksi sumur

SYARAT

Tersedia Infow Perormance (IPR)

Tersedia Outfow Perormance (VP!"P!#$P!%P)


8/25

K#4il&')&' T#+&'&' 2&d& Si/$#1Su1u%

P1 = Pr - Pwfs = Loss in reservoir P2 = Pwfs - Pwf = Loss across completion

P3 = Pwf - Pwh = Loss in tubing

P4 = Pwh - Psep = Loss in flowline

Pr PePwfsPwf

P1 = (Pr - Pwfs

P2 = (Pwfs - Pwf

P3 = Pwf - Pwh

P4 = (Pwh - Psep

Psep

!ales line"as

Li#ui$

!tock tank

P% = Pr - Psep = %otal pressure loss

Pwh


9/25


Pe

_

Pr PwfsPwf

Pdr

Pur

Pusv

Pwh

Pdsc Psep

DP1 = Pr - Pwfs = Loss in Porous MediumDP2 = Pwfs - Pwf = Loss across CompletionDP3 = Pur - Pdr = Loss across estriction

DP! = Pusv - Pdsv = Loss across "afet# $alveDP% = Pwh - Pdsc = Loss across "urface Cho&eDP' = Pdsc - Psep = Loss in (lowline

DP) = Pwf - Pwh = *otal Loss in *u+in,DP = Pwh - Psep = *otal Loss in (lowline

.ottom

/ole

estriction

"afet#

$alve

"urfaceCho&e

"eparator


10/25


METODOLO.I

Memahami komponen 1nfow Perormance Memahami komponen 2utfow Perormance, yang

terdiri dari kinerja 3

4 5ertical 6it Perormance4 7hoke Perormance

4 8ori9ontal :low Perormance

4 ;eparator Memahami hubungan infow dan outfow

perormance Memahami diskripsi hubungan


11/25


12/25

I'5ow P#%?o%1&'8# Cu%@#

0

%00

1000

1%00

2000

2%00

3000

3%00

0 %00 1000 1%00 2000 2%00 3000 3%00 !000 !%00

Pro$uction rate& !%')

* l o w

i n g b o t t o m h o l e p

r e s s u r e & p s i

+nflow (,eservoir -urve


13/25

Tubi') Cu%@#

0

%00

1000

1%00

2000

2%00

3000

3%00

0 %00 1000 1%00 2000 2%00 3000 3%00 !000 !%00


* l o w

i n g b o t t o m h o l e p r e s s u r e & p s i

%ubing urve


14/25

0

%00

1000

1%00

2000

2%00

3000

3%00

0 %00 1000 1%00 2000 2%00 3000 3%00 !000 !%00


* l o w

i n g b o t t o m h o l e p r e s s u r e & p s i

+nflow (,eservoir urve

%ubing urve

S*/$#1 .%&24

2111 !%')

1./01 psi


15/25

P#')&%u4 S+i' 2&d& IPR

utflow

*lowrate

P r e s s u r e a

t 3 o $ e

/ -1 -3

!5+

+nflow(+P,

qo 1 ln r e 6!

r wNote : Log effect

1


16/25

Pengaruh Penurunan

%ekanan ,eservoir pa$a +P,

utflow

*lowrate

P r e s s u r e a

t 3 o $ e

,eservoir with no pressure support

+nflow

)ecreasing reservoir pressure)ecreasing reservoir pressure


17/25

P#')&%u4 Di&1#$#% Tubi')9Pi2#:

2&d& Ou$5ow Inflow

(IPR)

utflow

Flowrate (stb$

P r e s s u r e a

t N o d e

2 378

2 0784 128

3 128


18/25


Nod# 9Ti$i+ P#')&1&$&':0

Nod# di D&/&% Su1u% Nod# di W#ll H#&d

Nod# di C4o+# Nod# di S#2&%&$o%

Nod#

N d di D S T


19/25

Nod# di D&/&% Su1u% T&'2& C4o+#

P1 = P

r - P

wfs= Loss in reservoir

P2 = Pwfs - Pwf = Loss across completion



Pr PePwfsPwf

P1 = (Pr - Pwfs

P2 = (Pwfs - Pwf

P3 = Pwf - Pwh

P4 = (Pwh - Psep

Psep!ales line

"as

Li#ui$

!tock tank


Pwh

0

%00

1000

1%00

2000

2%00

3000

3%00

0 %00 1000 1%00 2000 2%00 3000 3%00 !000 !%00


* l o w i n g b o t t o m h o l e p r e s s u r e & p s i


Ho% P#%?

V # % $ D P

# % ? D

0

%00

1000

1%00

2000

2%00

3000

3%00

0 %00 1000 1%00 2000 2%00 3000 3%00 !000 !%00


* l o w i n g b o t t o m h

o l e p r e s s u r e & p s i

%ubing urve

0

%00

1000

1%00

2000

2%00

3000

3%00

0 %00 1000 1%00 2000 2%00 3000 3%00 !000 !%00




%ubing -urve

2111!%')

1./0psi

0

%00

1000

1%00

2000

2%00

3000

3%00

0 %00 1000 1%00 2000 2%00 3000 3%00 !000 !%00



%ubing urve

0

%00

1000

1%00

2000

2%00

3000

3%00

0 %00 1000 1%00 2000 2%00 3000 3%00 !000 !%00




N d di D S D


20/25

Nod# di D&/&% Su1u% D#')&' C4o+#

P1 = P

r - P

wfs= Loss in reservoir

P2 = Pwfs - Pwf = Loss across completion



Pr PePwfsPwf

P1 = (Pr - Pwfs

P2 = (Pwfs - Pwf

P3 = Pwf - Pwh

P4 = (Pwh - Psep

Psep!ales line

"as

Li#ui$

!tock tank


Pwh

0

%00

1000

1%00

2000

2%00

3000

3%00

0 %00 1000 1%00 2000 2%00 3000 3%00 !000 !%00




Ho% P#%?

V # % $ D P

# % ? D

P$

C4o+# So'i8 V#l

0

%00

1000

1%00

2000

2%00

3000

3%00

0 %00 1000 1%00 2000 2%00 3000 3%00 !000 !%00



%ubing urve

0

%00

1000

1%00

2000

2%00

3000

3%00

0 %00 1000 1%00 2000 2%00 3000 3%00 !000 !%00



%ubing urve

0

%00

1000

1%00

2000

2%00

3000

3%00

0 %00 1000 1%00 2000 2%00 3000 3%00 !000 !%00




0

%00

1000

1%00

2000

2%00

3000

3%00

0 %00 1000 1%00 2000 2%00 3000 3%00 !000 !%00




%ubing -urve

2111!%')

1./0psi


21/25

O2$i1&/i Di&1#$#% Tubi') d#')&'O2$i1&/i Di&1#$#% Tubi') d#')&'

A'&li/i/ Nod&l A'&li/i/ Nod&l


22/25

O2$i1&/i D#'/i$* P#%?o%&/i d#')&'O2$i1&/i D#'/i$* P#%?o%&/i d#')&'



23/25

.&/ I'#+/i O2$i1&/i 92&d& .&/Li?$ W#ll: d#')&'.&/ I'#+/i O2$i1&/i 92&d& .&/Li?$ W#ll: d#')&'


P#')&%u4 P#%ub&4&'P#')&%u4 P#%ub&4&'


24/25

P#')&%u4 P#'u%u'&'P#')&%u4 P#'u%u'&'

T#+&'&' R#/#%@oi%T#+&'&' R#/#%@oi%

9+&2&' /u1u% 1&$i:9+&2&' /u1u% 1&$i:

P#')&%u4 P#%ub&4&'P#')&%u4 P#%ub&4&'

U+u%&' FlowU+u%&' Flow

Li'#,U+u%&'Li'#,U+u%&'

C4o+#,T#+&'&'C4o+#,T#+&'&'

S#2&%&$o% S#2&%&$o%


25/25

SELESAI

SELAMAT MENEMPUHSELAMAT MENEMPUHU!IAN AKHIR SEMESTER U!IAN AKHIR SEMESTER

SUKSESSUKSES

Wibowo !TM UPN(V#$#%&'( Yo)*&+&%$& Wibowo !TM UPN(V#$#%&'( Yo)*&+&%$&

teknik produksi i-3_nodal

Documents