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For Masela LNG PJ

Piping Stress Analysis

Review and Support

Piping Sunada

28th-Feb-’14

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8/18/2019 Masela LNG Stress Analysis

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Visit Purpose:

1.Revie !or "nderstanding o!

Spe#i!i#ation and $nterna% Pro#edure

2.&ngineering Revie !or Piping Stress

 'na%(sis or) in *ase%a Pro+e#t

3.Stress 'na%(sis Revie !or ,*R/*R#ir#uit

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8/18/2019 Masela LNG Stress Analysis

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$n this session:

Suar( o! Point

o support (ou0 advi#e0 share ideas

and in!oration hi#h $ !ound to so%ve

the prob%e

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,e%% one.

ood "nderstanding o!

Spe#i!i#ation and $nterna%

Pro#edure.

$nput0 isp%a#eent0 '##e%eration0

oad obination is #orre#t%(in#orporated into Stress 'na%(sis

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8/18/2019 Masela LNG Stress Analysis

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*ase%a P is F&& stage.

,e have to #op%ete 156 stress

#a%#u%ations be!ore &nd-'pri%

*an( ata is not 'vai%ab%e

7oever0 it’s our engineering.

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8/18/2019 Masela LNG Stress Analysis

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$! e need to #onsider the detai%s0&P$ stage a( be a%so a##eptab%e

he iportant is9&p%ain the reason;

9&p%ain the situation;

9&p%ain the p%an to so%ve;

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Stru#ture e!%e#tion

1. SR '##. Sagging/7ogging

2. SR '##. 7ori=onta% isp%a#eent

3. ,ave *otion Sagging/7ogging

4. ,ave *otion isp%a#eent

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8/18/2019 Masela LNG Stress Analysis

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F? Stress 'na%(sis

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8/18/2019 Masela LNG Stress Analysis

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Stress 'na%(sis in F? is di!!i#u%t

@ Pipe ead ,eight

@ hera% &!!e#t A7ot and o%dB@ ,ave '##e%erations

@ SR e!%e#tion

@ 7u%% *otion due to ,ave⇒ P%ease a)e it #%ear hat the

a+or e!!e#t is in piping s(ste⇒ he#) ea#h e!!e#t one b( one⇒ $! thera% is a a+or prob%e0 (ou

shou%d so%ve it at !irst.

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8/18/2019 Masela LNG Stress Analysis

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he resu%t is 255C.

, @ P @ DDC@ '## DDC

@ e! DDC

@ ,ind DDC

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?E& &V'"'$E?

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 '%%oab%e For#e and *oent

Fo%%o the #urrent a%%oab%e evenit’s not sure

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Vesse% &GP ?o==%e

Support !ro &GP 's u#h aspossib%e

Reboi%er as e%%

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Printed ir#uit 7& Hotto ?o==%e e%ete Fied Side

Printed ir#uit 7& op ?o==%e 'n#hor near the no==%e

IJ onsider ho to inii=e oent

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8/18/2019 Masela LNG Stress Analysis

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Pup

Support !ro the sae &’s

additiona% SR an be Sae isp%a#eent

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,ater Pup/ P%ate 7&

r( to provide an#hor near the

no==%e

1

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opressor 

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opressor 

$gnore SR disp%a#eent at this

tie0 sin#e e don’t )no no==%e

disp%a#eent and an( in!o et#

etai%ed a%#u%ation ReK’d be!ore&P$

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8/18/2019 Masela LNG Stress Analysis

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SR&SS &V'"'$E?

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8/18/2019 Masela LNG Stress Analysis

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H%ast

hi#)er Fitting Aee and &%boB

#an be proposed as stress reK’d

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8/18/2019 Masela LNG Stress Analysis

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PSV arrange and F%are 7eader 

hi#)er Fitting Aee0 &%bo0

runnion0 Redu#erB #an be

proposed as stress reK’d

Stopper a!ter PSV

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8/18/2019 Masela LNG Stress Analysis

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oing 'na%(sis

Lou don’t need to do an( ore

!ro no

"pdate Pro#edureM

Epe #ase is govern #ase

Spring setting #an be de#ided in

&P$ stage

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 'dditiona%%(0

- Lou #an !ee% sure o! (our tea.

- is#uss i! (ou !a#e an( di!!i#u%ties

- Spea) %oud an( ties Aever(one is

bus(B

- &p%ain hat and h(

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