foxtrot[4.5] for presentation

7/23/2019 Foxtrot[4.5] for Presentation

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FOXTROT COMPRESSOR STUDY

FOXTROT Compressor SystemFOXTROT Compressor System

Review StudyReview StudyMay 7th,2015


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2

BackgroundObjectives

Production ProfleCase Study

Block DiagramLiquid Carry Over

Adequacy Check esselAdequacy Check !in"#an Cooler

$rim Cooler %eactivation or %e#rigerant%e&lacement

!uel 'as System %evie(Com&ressor System %evie(

Summary ) %ecommendation

TABLE OF CONTENT


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BACKGROUND

3

1. Stripping Down and Bearing Capsule Replacement due to ingress liquid carry

overto compressor in ECHO and L!".

#. $uture %owrate condition and changes S.G.

&o c'ec( and review e)isting $O*&RO&Compressor system any issue regarding+


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OBJECTIVE

4

a.C'ec( ,Liquid Carryover- to compressor system..,"dequacy C'ec( o/ 0essel and $in/an Cooler-.c.Review Reactivation o/ &rim Cooler2Re/rigerantregarding ,Corrosion ssue-.d.Review t'e ,Compressor 3er/ormance-.e.Review $uel 4as System.


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5

PRODUCTION PROFILE

Max productionof total fluid

Future Case Train B

Reactivation


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6

1) Current Casea.Current Operating based on site surey data !2"#$an#2015)b.1 %rain Co&pressor 'unning(.%ri& Cooer is ina(tie

2) Future Casea.Ma*i&u& +as o-rate reer to rodu(tion roieb.2 %rains Co&pressor running(.%ri& Cooer is ina(tie or %ri& Cooer 'ea(tiation and or

'epa(ed 'erigerant

CASE STUDY

Current Case(*)

Future Case(**)

Design Case

Train A A B A B

Flowrate,MMSCFD

19.! ".!! "1.9# "".$$ #5.6#

S%, &'( .9! 1.!$ 1.!$ 1.1$ .9#!

(*) 1 Train Compressor is running(**) 2 Trains Compressor are running


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7

BLOC7 D"4R"!

FFB,F)

FA,F% *F+

$O*&RO

&

Fuel %as

%as ift

9.89 SCFDCURRENT

FUTURE!."8 SCFD #$%CURRENT

!&.'8 SCFD #$%CURRENT

(&.8) SCFDFUTURE

).8" SCFD #$$%FUTURE(!.&* SCFD

CURRENT 9.!& SCFD

FUTURE 8.'+ SCFD

8ote+9: One train compressor is running99: &wo trains compressor are running


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/

LIQUID CARRY OVER


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"

%here is iuid (o&ing

ro& iuid outet 2nd

stage s(rubber to 1st

s(rubber.

%here are iuid

(o&ing ro& #

200 and M#300,

400 to 2nd

stages(rubber

L,-u, Carr/ O0er ,ssue t1 2134ress1r 51r 6Current7 an 6Future7 Case

LIUID CARRY OVER

Mitigation iuid (ontent

(an be separated by &ist

e*tra(tor at 1stand 2ndstage

s(rubber

N1L,-u, Carr/ O0er

t1 2134ress1r 51r

Current Future Case

Current (ase

# 1 train running# nti#surge

ae is open

5.

uture (ase

# 2 trains running#'e(y(e and

nti#surge

ae (osed.


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10

VESSEL ADEQUACY CHEC


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11

VESSEL ADEQUACY CHEC

%he possibiity o iuid (arry

oer to (o&pressor (an be

redu(ed by the presen(e o

Mist e*tra(tor in s(rubber.8n order to &eet &o&entu&

(riteria, it is suggested to &a9e

sure the e*isting inet dei(e

type.

Parameter Unit FP-V7 FP-V1B MBF

100/110

MBF

200/210

MBF

300/310

MBF

400/410

Gas !"#rateMMscfd

"#1

"1.$ "1.11 "1.9# "1.$ 1-.!$$i%ui& !"#rate BFD "!/.! 1"!- 1#".1 1/!1 /"! 1-"1

'erating P/ psi0F -"1" -2$! $9-! #1#2 !112 !112

n!et

M"mentum

3xistin0 l4ft 's" "1.! ##" #"1.- 19"- "/1 "$2"

Maxi5u

5l4ft's" # # 1" 1" 1" 1"

n!et +",,!e

3xistin0 in " 1$ 1$ - $ $

Re6uired in 9.2 -.9 1".9 1".1 !.# !.!

Gas 'ut!et

+",,!e

3xistin0 in " 1$ 1$ - $ $

Re6uired in 1.2 9.# 1." !./ 2.9 2.9

$i%ui&

'ut!et

+",,!e

3xistin0 in $ - "#

# #

Re6uired in " " .2 1.$ " "

D/rea

Re6uired inft" 2.-1 1".2- #2./- /.1- /.92 /.92

Availa4le inft" #!.2" 19."# $ #" 9.$" 9.$"

.emars Ade6uate Ade6uate Ade6uate)o77le inlet

is undersi7ed

)o77le inlet

is

undersi7ed

)o77le inlet

is

undersi7ed

:ote

1. +as o-rate based on Ma*.

o-rate !Future Case).

2. 8net dei(e and interna

dei(e are assu&ption !ha

open pipe).


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12

FI!"FA! COOLER ADEQUACYCHEC


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Adequacy Check HAL-100

13

Noe! 1" Daa#hee e$%#%&' (%&-(a& coo)e* %# a##u+ed ,a#ed o& NE coo)e* e$ce. (o* u,e d%a+ee* / h%ck&e##"

Tu,e d%a+ee* / h%ck&e## %# adu#ed ,a#ed o& P*e##u*e d*o."

1" Sca)e a&d )eaka'e

a u,e #%de %#%&d%caed (*o+

h%'h .*e##u*e d*o.

2" The ou)e

e+.e*au*e %# #%))

h%'h"

Co%de* o %a))

&e3 coo)e*"

Parameter Unit Current

(eisting1)Current (ne#

""!er)Future (+e#

C""!er)Design (+e#

C""!er)

Gas .ateMMscfd 19.! 19.! "1.$- "-.!

&1( l48r $2.1"/ $2.1"/ !#."/ 9-.$9

emerature in F //$ //$ "$9 /!2

emerature "ut F 12- 12- 112 112

Pressure Dr" psi 212 /.#! /.$9 $.$2!!"#a!e Press Dr" psi 1 1 1 1

ir !"# &1( l48r 2.! 2.! 2.! 2.!

emerature in F 9- 9- 9- 9-

emerature "ut

F 1#1 1#1 1#1.2 1-".#Pressure Dr" in": .$# .$" .$" .$2

Dut MMBtu8r 5164 5172 5233 10164

U atua! Btuft"'8r'F /.$! ".-#- ".9-9 /.//

U re%uire& Btuft"'8r'F .-"$ .-/1 "./!# ".9--


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Adequacy Check HAL-200

14

Noe! 1" Daa#hee e$%#%&' (%&-(a& coo)e* %# a##u+ed ,a#ed o& NE coo)e* e$ce. (o* u,e d%a+ee* / h%ck&e##"

Tu,e d%a+ee* / h%ck&e## %# adu#ed ,a#ed o& P*e##u*e d*o."

Sca)e a&d )eaka'e au,e #%de %# %&d%caed

(*o+ h%'h .*e##u*e

d*o."

Co%de* o %a)) &e3

coo)e*


(eisting1

)

Current (ne#

""!er)

Future (+e#

C""!er)

Design (+e#

C""!er)

Gas .ateMMscfd 19.! 19.! "1.$- "-.!

&1( l48r $2.1"/ $2.1"/ !#."/ 9-.$9

emerature in F "/2 "/#.9 "/." "#

emerature "ut F 1 1 112 112

Pressure Dr" psi 301 #.-9 2./2 1.9

ir !"# &1( l48r 2""./ 2""./ 2""./ 2""./

emerature in F 9- 9- 9- 9-

emerature "ut F 1"9 1/ 1"2.! 1#-

Pressure Dr" in": .$9 1.12 1.12 1.1!9

Dut MMBtu8r 323 34 2738 6272

U atua! Btuft"'8r'F #./#2 /.9"" #.1#" #.#!"

U re%uire& Btuft"'8r'F /.21 ".99" "."- #.9#


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15

TRI# COOLER REACTIVATIO! ORREFRI$ERA!T RE%LACE#E!T

16


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TRI COOLER REACTIVATION

16

FAF4

F5

a(9ground

1. %ri& Cooer had

been de&oished !in#

a(tie (ondition) or

Current (ondition.

2. igh ris9 (orrosion

due to CO2partia

pressure at 164 psia

!(urrent (ondition).

Tri5 Cooler is in'active condition

17


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T*%+ coo)e* )oca%o&

17

ast Current !%ri& Cooer had been

de&oished)

1/


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TRI COOLER #Sea :ater % REACTIVATION STUDY

1/

FAF4

F5

Tri5 Cooler re'activation usin0

sea water

1"


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1"

FF6

FN

FAF4

F5

TRI COOLER #Re5r,;erant% REACTIVATION STUDY

Tri5 Cooler is replace

usin0 Refri0erant

Tri5 Cooler is activeusin0 Seawater

%ri& Cooer re#a(tiation using

;'erigerant< suppy

'erigerant type is

using '14 or C4 or

%etrauoro&ethane.

%ri& Cooer

euip&ent -i be

repa(ed -ith the

ne- one to (o&e up

-ith '14 uid

(hara(teristi(.

20


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20

REFRIGERATION SYSTE PACKAGE

=u(tion

=(rubber

Co&pressor

Co&pressorOi iter

Co&pressorOi u&p

Co&pressorOi Cooer

Co&pressor

Oi =eparator

O>%'O% ator& has i&ited spa(e and aready (ro-ded, :ot

aiabe to 8nsta additiona 'erigerant syste& pa(9age.

Gas Fr"mMBF

300/310

" F!are

21


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21

TRI COOLER REACTIVATION

Parameter Unit

Current Case Future Case

nati9e rimC""!er

.e-ati9ati"nrim C""!er

.erigerant

%as Flowrate MMSCFD 19.! #."$ #."$%as ressure psi0 ! !"1 !"1%as Te5p. inlet outlet

F 1 1 112 92 112 -

Cooler Suppl;

Flowrate 48 ' //" 9$!#Cooler Suppl;Te5p.


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P*o# a&d Co

22

3arameterReactivation &rim Cooler Re/rigerant Replacement

"dvantages Disadvantages "dvantages Disadvantages

$em&erature

$em&erature canbe reduce to *+ !

,as closed asambient

tem&erature-

"$em&erature canbe reduce to ./ !

"

0ater Content

%educe (atercontent #rom

.1234 to 1526lb788sc#

"

%educe (atercontent #rom

.1234 to /211lb788sc#

"

CO1 PartialPressure

"

CO1 &artial&ressure is not

signifcantlyreduced ,#rom3952. to 3+6

&sia-2 Corrosion

rate is still high2

"

CO1 &artial&ressure is not

signifcantlyreduced ,#rom3952. to 34*

&sia-2 Corrosion

rate is still high2

Constructability "%e"install $rim

Cooler2"

:eed additionals&ace since thearea is limited

;tility "

%e"install Sea0ater Pum&,e


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23

FUEL 4AS SYSTEM RE78E

24


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24

FUEL GAS SYSTE REVIE:

=(he&ati( ue +as =yste& !Current Case)

25


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25


=(he&ati( o :e- ue +as =yste& !uture Case)

Consider to install new3lectric Super8eater atdownstrea5 of Fuel 0asFilter to raise t8ete5perature a4ove dewpoint re6uire5ent.

26


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26



Case

Future Case

(.eati9ati"n

rim C""!er)

Future Case

(.erigerant)

Future Case

(Using ?!etri

@uer=eater)

Mass F!"# .ate MMSCFD 1.#$# ".9"- ".9"- ".9"-

n!et Fue! Gas @stem

emerature in oF 1 92- -

Pressure in psi0 ! !"1 !1$ !1$

+e# ?!etri @uer >eater

.e%uire& Dut >= ' '' /$.!

Fue! Gas C"ntr"! Va!9e

emerature

D"#nstream FGCVoF $-."" /2.2- "/.#" $./9

=C De# P"int

emeratureoF "$.1 11.# $.- !.1

Pressure

D"#nstream FGCVpsi0 1/$ 1/$ 1/$ 1/$

FU?$ gas Aua!it

8ot

adequat

e

8ot adequate 8ot adequate "dequate

+as te&perature is

not adeuate as ue

gas reuire&ent.Consider to insta

ne- @e(tri(

=uperheater at

do-nstrea& o ue

gas iter to raise

the te&perature

reuire&ent aboede- point

te&perature.

27


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27

?!etri @uer>eater ti9ating

A0anta;es Aisadantages

I34r10e Fue Gas -ua,t/ #at east ;aste34erature '* *F a?10e De 41,ntte34erature%.

i&ited spa(e to insta ne- @e(tri(=uperheater.

:eed additiona (ost or pur(hasing o ne-@e(tri( =uperheater.

8n(rease operationa (ost !po-er(onsu&ption).

AB:%+@= :A A8=:AB:%+@=

2/


28/45

2/

COMPRESSOR SYSTEM RE78E

2"


29/45

2"

C)A!C)B!

1st=tage Co&pressor !C2#

1?C2#1) peror&an(e is sti

adeuate !po-er reuire&entess than po-er design) to

hande (urrent and uture (ase. 'e#staging is not needed.

PERFORANCE RESULTParameter Unit Current Future Design

Caait MMscfd 19.$ ".!! "".$$

tua!

aait

ACFM "/ "/$/ //!/

@eii

gra9it' .9!" 1.!$ 1.1$

@ee& rp5 1/2$9 1"$$ 1/$#

=ea& ft 2#9/ ##$## 221

P"#er >=8p 1-2-"#9" 1$-/""2- "1#-"--1

?iien ? $$.!! !1.99 !".1$

@uti"n P/ psi0 F $9-2 $!/-.$ 2#$.!

Dis>arge P/ psi0 F #""//$ #"""$! /92/"-

.emars Ade6uate Ade6uate

$low ;"C$! :==Head ;/t:

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