KILO-W-CAL-0403 Pipeline Expansion Calculation 8” KC-KA 3 Phase Rev. a (15!07!13)

7/21/2019 KILO-W-CAL-0403 Pipeline Expansion Calculation 8 KC-KA 3 Phase Rev. a (15!07!13)

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Project TitleKILO Field Further

Development Project

Document Number

KILO-W-CAL-0403

Authors OrganizationPT DW! - !n"ineerin"

Validation# $e%r&

Expired Date'-Oct-#0()

!*p%n&ion An%l+&i&,or . KC-KA 3 Ph%&e Pipeline

Approv%l /heet

%me Title D%te /i"n%ture

Hartono Project anager

Ani! Artha Project "ead

Andreas Den# Engineering "ead

1evi&ion /t%tu&

1ev I&&ue D%te 2+ Ch App I&&ue Purpo&eOner

/i"n%tureA $%&'ul&()$* A"+T ",TH-+ .,T/+.NO +ssued -or /e0ie1

) )2&Oct&()$* A"+T ",TH-+ .,T/+.NO +ssued -or Appro0al


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PT3 PHE ON4' Expansion Anal#sis 5or 67 89&8A * Phase Pipeline

1evie 5 !ndor&ement 1ecord&

This document has no re0ie1 and endorsement records

8+"O&4&9A"&):)*; /e03)Page $

Paper 9opies are ,ncontrolled


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1evi&ion Lo" 1e"i&ter

/e0isions had been per5ormed on 5ollo1ing pages .tandards @(3(3 9ompan# Document @(3*3 Project Document @

*3 9onclusions and /ecommendations 6*3$3 Anal#sis 9arried Out 6*3(3 .ummar# 6

*3*3 /ecommendation 6:3 Pipeline Design Parameter 2

:3$3 Pipeline design li5e 2:3(3 Pressure and Temperature 2:3*3 Pipeline and /iser echanical Properties 2:3:3 .ubsea Pipeline External 9oating .#stem $):3%3 9oncrete 9oating Properties $$:3=3 9orrosion Allo1ance $$:3@3 En0ironmental Data $$

:3@3$3 4ater Depth $$:3@3(3 Tidal /ange $(:3@3*3 .ea1ater Properties $(:3@3:3 .oil Parameters$(

%3 ethod o5 Anal#sis $*%3$3 Pipeline .train $*%3(3 -rictional /esistance $*%3*3 Anchor Point $:%3:3 Pipeline Expansion $:

=3 /esults and 9onclusions $==3$3 Anal#sis 9arried Out $==3$3 Pipeline Expansion /esults $=

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( Introduction

(( 7ener%l

8+"O Area consists o5 5our producing plat5orms 1hich are 8A; 8; 89 and ''A3 ased on ()$(reser0es report; this 5ield is still potential and 1ill add more production to O55shore North 4est 'a0a

Operation3

9urrentl# onl# 8A plat5orm acti0e using in&situ gas li5t source; but this gas source has limited tocontinuous production in 8A plat5orm need more gas source 5rom another 5ield3 89 plat5orm 1asshut do1n in No0ember ())( due to *&phase pipeline 89&8A lea! and 8 plat5orm 1as shut do1n in'une ())= due to * phase pipeline 8&8P/O lea!3

89 plat5orm 1as producing about %)) OPD and $ .9-D be5ore shut in $$ #ears ago B())(C3This 1as happened because o5 pipeline lea! bet1een 89 and 8A plat5orm3 The same problem alsooccurred in 8 plat5orm in ())=3 A lea!ing in a sub&sea pipeline bet1een 8 and 8P/O plat5ormreuires the plat5orm to be shut in3 The production lost due to 8 shut in is about *%) OPD and [email protected] 8A plat5orm 1as reacti0ated and online in .eptember ()$( 1ith initial rate @)) OPDand $3% .9-D3 This stud# 1ill gi0e assurance reser0e in 8+"O 5ield to support in reacti0ate 8

and 89 plat5orms3

Fi"ure $8 /impli,ied l%&t KILO Are% Oper%tion

Total reco0erable reser0es in 8+"O 5ield is $(3( O and :@3% .9- 1ith consist o5 baseproduction (3: O and 23* .9-; and 5rom PO-D can add reser0es 236 O and *63( .9-3aintaining base production to reco0er this reser0es B*3: O and 636 .9-C; 1ell1or! B:3*O and $)3( .9-C; and in5ill 1ell B:3% O and (63= .9-C3 Total pea! production 5rom this5ield %2)* OPD and $@3:2 .9-D 1ill be achie0ed in October ()$=3

The plan to reacti0ate 8+"O plat5orm di0ided t1o phase; 5irst phase 1as completed at .eptember

()$( and success reacti0ated 8A; 8P/O and 89O plat5orms; and second phase 1ill bereacti0ated 8 and 89 plat5orms at : ()$%3

8+"O&4&9A"&):)*; /e03)Page :



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ased on Appraise and .elect .tud#; 5luid 5rom ''A; 8 and 89 1ill be separated in 89Oproduction separator V&$))); 1hile 5luid 5rom 8A 1ells 1ill 5lo1 to 8P/O production separator 9V&(3?as out 5rom 8P/O production separator comingles 1ith gas out 89O production separator and1ill be sent to (9 plat5orm as sales gas using ne1 ?" 89O&(93 4hile liuid out 8P/Oproduction separator comingles 1ith liuid out 89O production separator and 1ill be sent to N?"using existing 67 ?" 89O&N?" as export liuid3

The gas li5t 5or 8+"O 1ells 1ill be supplied 5rom $9 plat5orm using ne1 gas li5t pipeline $9&89Oand in&situ gas li5t3

Fi"ure #8 Proce&& /chem%tic KILO Field Further Development Project

Pipeline route in 8+"O -ield -urther De0elopment Project is presented belo13

Fi"ure 38 Pipeline 1oute in KILO Field Further Development Project

8+"O&4&9A"&):)*; /e03)Page %



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(# O6jective

This document contains stud# and calculation o5 expansion anal#sis stabilit# 5or subsea pipeline o58+"O -ield De0elopment 1hich consist o5 67 89&8A * Phase pipeline3 The result o5 this anal#sisdetermines the pipeline expansion and anchor length o5 pipeline end at pipeline o5 89 Plat5orm to8A Plat5orm3

The expansion anal#sis is di0ided into t1o cases as 5ollo1s

content Bsea 1aterC temperature during h#drotest condition and;

Operating condition considering $))F corroded product content; maximum operating

pressure and sea 5loor > design temperature during operating condition3

(3 /cope

The scope o5 this report is 67 89&8A pipeline 5or both pipeline zone $ and pipeline zone ( excludingexpansion spools and riser3

(4 A&&oci%ted Document&

-ollo1ing table listed all documents that re5erred b# and related to this report

T%6le ( - 1el%ted Document&

Document um6er Document Title

8+"O&?&D.&)))$ Project Design asis

8+"O&?&PH+&)))$ Project Design Philosoph#

8+"O&4&9A"&):)$ 4all Thic!ness Anal#sis 5or 67 89&8A * Phase Pipeline

8+"O&4&9A"&):)( On&ottom Anal#sis 5or 67 89&8A * Phase Pipeline

() Pipeline 1e,erenceThe .ubmarine pipeline and /iser that is reuired to be installed as part o5 the 8+"O -ield -urtherDe0elopment Project described in table belo13

T%6le # - Pipeline 1e,erence

PipelinePipeline OD

Ori"in Termin%tion /ervice9mm:

67 dia3 Pipeline ($2 89 8A * Phase

T%6le 3 - Ke+ Coordin%te&

Pl%t,orm CenterPo&ition

Loc%tionL%titude Lon"itude

8A Plat5orm =G $ :63@@I . $)@G :) :63@)I E

89 Plat5orm =G ( )=3()I . $)@G :$ )632(I E

T%6le 4 - Pl%t,orm W%ter Depth

Pl%t,orm Center Po&itionP%r%meter

W%ter Depth 9m:

8A Plat5orm (632=

89 Plat5orm (236@

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(; A66revi%tion

AP+ American Petroleum +nstituteA.E American .ociet# o5 echanical Engineer9A 9orrosion Allo1anceE/4 Electric /esistance 4elding

HAT Highest Astronomical Tide." ean .ea "e0elNP. Nominal Pipe .izePHE ON4' Pertamina Hulu Energi O55shore North 4est 'a0a.". .eamless.T. .peci5ied aximum Tensile .trength.J. .peci5ied inimum Jield .trength3

# 1e,erence&

#( Intern%tion%l Code 5 /t%nd%rd&

The latest 0ersions o5 the listed documents shall be used in the design; installation; and operation o5

the proposed 5or .ubsea Pipeline3 This list is not exhausti0e and 1ill be updated during subseuentphases o5 the project3

$3 AP+ %" .peci5ication 5or "ine pipe

(3 DNV O. -$)$ .ubmarine Pipeline .#stems

## Comp%n+ Document

$3 PHEON4'&4&.PE&)))% .peci5ication 5or "ine Pipe

(3 PHEON4'&4&.PE&)))= .peci5ication 5or Pipeline 9orrosion Protection9oating

#3 Project Document

$3 8+"O&?&D.&)))$ Project Design asis

(3 8+"O&O&.DJ&)))( -lo1 Assurance and H#draulic .tud# o5 Pipeline

*3 8+"O&4&9A"&):)$ 4all Thic!ness Anal#sis 5or 67 89&8A * PhasePipeline

:3 8+"O&4&9A"&):)( On&ottom Anal#sis 5or 67 89&8A * Phase Pipeline

%3 /PTK .T9)6$$K89O&9OK)3$ $( 8&9O TO &9O( B?"C .ubsea Pipeline >6&inch &9O$ to 8&9O B?as "i5tC .ubseaPipeline Proposed Pipeline /oute .ur0e# O55shoreNorth 4est 'a0a; +ndonesia3

=3 E?.&/)$:))@&,N+-O/&4&P"/&)))$ P+D*=$&$:789&8A O"KO" Pipeline Asset /eport

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3 Conclu&ion& %nd 1ecommend%tion&

3(An%l+&i& C%rried Out

Design pressure o5 2%) psig and temperature pro5ile based on Pipeline H#draulic .tead# .tate.imulation L/e53 (3*3 B(CM 1ere considered 5or the expansion anal#sis at operating condition3 Detail

calculations are presented in Appendix A and Appendix 3

-or the expansion anal#sis; the 5ollo1ing conditions 1ere considered3$3 Operating 9ondition Bcorroded pipe; 5illed 1ith product and $)) #ear return periodC3(3 H#drotest 9ondition Bne1 pipe; 5illed 1ith sea&1ater and subject to h#drotest pressure and $

#ear return periodC

3#/umm%r+

The Pipeline end expansion results are summarized in Table %3

T%6le ) - !nd !*p%n&ion An%l+&i& 1e&ult

C%&e

Pipeline !nd !*p%n&ion 9mm: Anchor Len"th 9m:

At KC

9


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4 Pipeline De&i"n P%r%meterThe pipeline speci5ic design data are pro0ided in Project Design asis3 Ho1e0er; an# speci5ic andimportant design data used 5or expansion calculation are speci5ied herein 5or eas# re5erence3

4( Pipeline de&i"n li,e

The design li5e 5or the pipeline s#stem is () #ears3

4#Pre&&ure %nd Temper%ture

.er0ice pressure and temperature o5 pipeline s#stems are presented in table belo13

T%6le ; - Pipeline=1i&er Proce&& D%t%

P%r%meter& >nit& . KC-KA 3 Ph%&e Pipeline

Design Pressure psig 2%)

ax3 Operating Pressure psig $=:

H#drotest Pressure psig $**)

echanical Design Temperature BetalCB$C )

- ())Operating Temperature )- $)2

Densit# o5 9ontent !gKm* *@3*(

.er0ice & * Phase

Notenit& . KC-KA 3 Ph%&e Pipeline

Outer Diameter mm ($2

4all Thic!ness mm $(3@

aterial & AP+ %" ?rade %(O or %(O P."( 9.

.eam T#pe & .".; .A4" or H-4

.J. Pa *=)3) B%(3() !siC

.T. Pa :=)3) B==3@) !siC

Joung odulus Pa (3)@ x $)%B*))((32 !siC

Poison /atio & )3*

Densit# !gKm* @6%)

9oe55icient o5 Thermal Expansion Ko9 $3$ x $)&%

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44Temper%ture Pro,ile D%t%

The temperature pro5ile 5or operating condition is adopted 5rom h#draulic anal#sis 1hereastemperature pro5ile 5or h#drotest condition is generated b# logarithmic 5ormulae presented inAppendix A3

T%6le - Temper%ture Pro,ile %t Oper%tin" Condition 96+ h+dr%ulic %n%l+&i&:

NoTemperature "ength

/emar!o9 m

$ :(3== ) At "auncher Point

( :(3%$ )

* :(3:2 %

: :(3:@ 2

% *23=% (:

= *@3*: *6 Pipeline .tart

@ (23*( $*6

6 (@3*) (*62 (=36) **6

$) (=3=2 :*6

$$ (=3=@ %*6

$( (=3== =*6

$* (=3== @*6

$: (=3== 6*6 Pipeline End

$% (=3== 6@6

$= (=3%* 62*

$@ (=3:( 2)6

$6 (=3*2 2$*$2 (=3*@ 2$@ At /ecei0er Point

T%6le ' - Temper%ture Pro,ile %t


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4)/u6&e% Pipeline !*tern%l Co%tin" /+&tem

The external anti&corrosion coating s#stems 5or subsea pipeline are presented belo1nit %lue

Densit# o5 .ea 4ater !gKm* $)(%

.ea 4ater Temperature o- 6)

8inematics Viscosit# m(Ks $3$* x $)&%

44 /oil P%r%meter&

ased on marine sur0e# report /PTK .T9)6$$K89O&9OK)3$ B/e53(3*3=C; generall# the seabed topsoil la#er can be categorized as so5t cla#3 Detailed o5 soil characteristic are presented in belo1table3

T%6le (; - /oil P%r%meter&

P%r%meter >nit& %lue

.oil T#pe$C & Ver# .o5t 9la#

,ndrained .hear .trength$C !Pa (3) %3)

Angle -riction $C Deg )3)

.ubmerged 4eight(C !gKm* 6$%3@

Note

KILO-W-CAL-0403 Pipeline Expansion Calculation 8” KC-KA 3 Phase Rev. a (15!07!13)

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