DAC O N INSEPEC T IO N SERVIC ES
CORROSSION UNDE R DAC O N INSEPEC T IO N SERVIC ES SUPPORT Who - - PowerPoint PPT Presentation
CORROSSION UNDE R DAC O N INSEPEC T IO N SERVIC ES SUPPORT Who - - PowerPoint PPT Presentation
CORROSSION UNDE R DAC O N INSEPEC T IO N SERVIC ES SUPPORT Who we ar e Co nve ntio na l a nd Oil a nd Ga s, Re fine ry, Ove r 400 pe rso nne l T ha ila nd he a dq ua rte rs Adva nc e d NDT a nd Pe tro c he mic a l, He a vy inc
Who we ar e
Co nve ntio na l a nd Adva nc e d NDT a nd Inspe c tio n Se rvic e s Oil a nd Ga s, Re fine ry, Pe tro c he mic a l, He a vy Industry, Mining Ove r 400 pe rso nne l inc luding mo re tha n 300 inspe c to rs T ha ila nd he a dq ua rte rs with Inte rna tio na l e xpe rtise sinc e 1979
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
Ope r ational E xc e lle nc e Our Custome r s
INSPE CT ION T E CHNOL OGY
DAC O N INSEPEC T IO N SERVIC ES
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
T he Pr
- ble m
- In the a re a whe re pipe line s re st o n pipe suppo rts it is a hig h c o rro sio n a re a .
- Diffic ult a nd c o stly to inspe c t the se suppo rt a re a s a s the pipe line ne e d s to b e lifte d .
- Pipe line ne e d s to b e shutd o wn b e fo re lifting c a n o c c ur.
- Diffic ult to a sse ss the a c tua l e xte nt o f c o rro sio n b y visua l inspe c tio n in the c o nta c t a re a .
- Until no w no a lte rna tive me tho d s e xiste d to me a sure the a c tua l re ma ining wa ll thic kne ss a t the
pipe suppo rt a re a .
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
What Is Dac on Cor r
- sion Unde r
Suppor t (CuS)
- Spe c ific a lly d e ve lo pe d fo r inspe c tio n o f pipe s a nd pipe line s a t suppo rt a re a .
- Use d whe re c o nve ntio na l NDT
me tho d s a re d iffic ult o r impo ssib le to use .
- Hig hly a c c ura te inspe c tio n to o l tha t me a sure s a c tua l re ma ining wa ll thic kne ss a t pipe suppo rt
a re a s witho ut the ne e d to lift o ff the pipe fro m the suppo rt.
- De ve lo pe d b y Da c o n re se a rc h a nd d e ve lo pme nt te a m a nd is uniq ue in its fie ld .
- Ve rifie d re sults a nd no w in wid e c o mme rc ial use .
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
CuS Be ne fits a nd Adva nta g e s
L ifting Pipe T
- Inspe c t
Da c o n C uS Me tho d Me a sure me nt
Use UT pro b e s to me a sure re ma ining wa ll thic kne ss a fte r lifting pipe Use spe c ia lly d e sig ne d syste m (b a se d o n UT ) to me a sure witho ut lifting pipe line
Ac c ura c y
Me a sure s d e fe c ts to within +/ - 0.3mm Me a sure s d e fe c ts to within +/ - 0.3mm
Shutdo wn
Pipe line ma y ne e d to b e shutd o wn in o rd e r to sa fe ly lift prio r to inspe c tio n Inspe c tio n c a n b e pe rfo rme d o nline with no ne e d to shut d o wn the pipe line
Mo biliza tio n
Ma y ne e d c ra ne s a nd o the r lifting e q uipme nt No lifting e q uipme nt re q uire d
L
- g istic s
L ifting e q uipme nt re q uire d a nd site ma y ne e d to b e c le a re d Sma ll 2 ma n te a m with minima l e q uipme nt
C o st
Mo re e xpe nsive whe n lifting e q uipme nt a nd shutd o wn c o sts a re fa c to re d in Sma ll te a m with minima l mo b iliza tio n c o sts. No shutd o wn c o sts. Che a pe r a nd e a sie r.
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
How It Wor ks
- L
- ng itud ina l wa ve s c o nve rte d into she a r wa ve s
- Pro b e sho e is c ut a t 35 d e g re e a ng le
- Da c o n a lg o rithm c a lc ula te s T
ime o f F lig ht to g ive re ma ining wa ll thic kne ss
- Qua lifie d a nd e xpe rie nc e d UT
L e ve l 2 inspe c to r inte rpre ts the d a ta a nd g ive s fina l a na lysis.
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
INSPE CT ION PROCE SS
DAC O N INSEPEC T IO N SERVIC ES
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
CuS Inspe c tion Pr
- c e ss
- Co mple te visua l inspe c tio n to c he c k the a re a
to b e inspe c te d .
- Cle a n surfa c e if ne c e ssa ry fo r e xc e ss sc a le
a nd pa int fa ilure .
- Pipe line g e ts ma rke d into 20mm se c tio ns with
a pipe line numb e r.
- L
- c a tio n tra nsd uc e r is use d to lo c a te po ssib le
c o rro sio n und e r suppo rt.
- If c o rro sio n is id e ntifie d the n me a sure me nt pro b e
is use d to me a sure re ma ining wa ll thic kne ss.
- T
his is d o ne b y me a suring e a c h 20mm se c tio n.
- Pro c e ss ta ke s fro m 15 minute s to 30 minute s d e pe nd ing
- n suppo rt size .
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
Ope r ational Par ame te r s
- Pipe s must b e 4” o r g re a te r a nd ha ve a minimum thic kne ss o f 3mm.
- Inspe c ting thro ug h pa int is fine (d e pe nd ing o n pa int thic kne ss) b ut c o a ting s a nd
insula tio n ne e d to b e re mo ve d .
- Ca n b e use d o n a ll ma te ria ls.
- Ma ximum te mpe ra ture is 58 Ce lsius.
- Ca n no t d e te c t if the wa ll lo ss is inte rna l o r e xte rna l.
- Guid e d suppo rts c a nno t b e inspe c te d d ue to to o l a c c e ss. T
he se c a n b e sc a nne d using lo c a tio n to o l to g ive a n ind ic a tio n o nly.
- Do e s no t wo rk whe re pipe line a nd suppo rt a re we lde d to g e the r. Also c a nno t b e use d
- n sa d d le suppo rts if we lde d (no n we lde d is fine ).
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
Re quir e me nts
- Da c o n Co rro sio n Und e r Suppo rt pro b e s
- Da c o n Co rro sio n Und e r Suppo rt d a ta c a pture e q uipme nt
- E
xpe rie nc e d UT L e ve l II Inspe c to r
- T
e c hnic ia n
- Co upla nt
- Insula tio n a nd c la d d ing re mo ve d
- Ac c e ss to a re a whe re pipe line c o nta c ts the pipe line suppo rt a re a
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
Re por t F
- r
mat
Na me of pa r t:
P1452- 10- AAA3
F inding : Pic ture o f P1452-10-AAAA3 With a No mina l thic kne ss fo und a t 9.40 mm me a sure d with Ultra so nic wa ll thic kne ss e q uipme nt Mo d e l Olympus DL 38 Na me of pa r t:
P1452- 10- AAA3
F inding : Minimum re c o rd e d wa ll lo ss wa s re c o rd e d a t se le c tio n 1 a nd wa s fo und to ha ve a re ma ining wa ll thic kne ss o f 6.40 mm Na me of pa r t:
P1452- 10- AAA3 F inding : Minimum re c o rde d wa ll lo ss wa s re c o rde d a t se le c tio n 1 a nd wa s fo und to ha ve a re ma ining wa ll thic kne ss o f 6.40 mm
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
Re por t F
- r
mat
T e st loc ation no: P1452- 10- AAA3
Minimum thic kne ss found a t te st loc a tion is 6.70 mm.
Inspe c tion Conc lusion
Re ma r k: T he a ve ra g e va lue in b lue c o lo ur o f UT M re sult a t 6 o ’ c lo c k po sitio n wa s use d fo r re fe re nc e a nd c a lib ra tio n. Wa ll lo ss wa s fo und a t the P1452-10-AAA3 pipe suppo rt numb e r 3. A minimum wa ll thic kne ss re c o rd e d wa s 6.70 mm a t lo c a tio n 1. Unde r suppor t Se c tion no. 1- 5
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
Why Use Dac on CuS
DAC O N INSEPEC T IO N SERVIC ES
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
Why use Dac on CuS
- Me a sure s a c tua l re ma ining wa ll thic kne ss in pipe line wa ll a t suppo rt a re a
- Othe r syste ms o nly q ua ntify wa ll lo ss a nd d o no t g ive a c tua l re ma ining wa ll thic kne ss
- No ne e d to lift o ff the pipe line
- Ca n b e d o ne o nline (no ne e d to shutd o wn)
- Sig nific a nt c o st sa ving s in lo g istic s a nd shut d o wn c o sts
- Any ma te ria l a nd a ny pro d uc t in pipe line
- Sma ll e q uipme nt a nd o nly re q uire s 2 ma n te a m
- Ve rifie d re sults a nd trie d a nd te ste d syste m
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
Cost Be ne fit
Inspe c tion Cost Compar ison
70,000 $ 60,000 $ 50,000 $ 40,000 $ 30,000 $ 20,000 $ 10,000 S 0 $
Dac on CuS L ift Pipe line
Inspe c tion L
- g istic s
Inspe c tion
+200%
Shutdown Shutdown L
- g istic s
Inspe c tion Shutdown L
- g istic s
DAC O N INSEPEC T IO N SERVIC ES
CASE ST UDIE S
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
Re fine r y
- Inspe c tio n o f pipe ra c ks
a t re fine ry.
- Prio r to shutd o wn.
- 260 suppo rts
- Online Inspe c tio n
- Suc c e ssful Inspe c tio n
- Re sults ve rifie d .
- No ne e d to lift pipe line
De sc rip tio n So lutio n
- CuS T
- o l
- Inspe c to r a nd T
e c hnic ia n
- 2 Mo nths
- E
ffe c tive shutd o wn pla nning .
- Co st sa ving s.
- Ac c ura te a na lysis
- f pipe line c o nd itio n
a t suppo rt a re a s. Re sult Be ne fit
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
Offshor e Platfor m
- Inspe c tio n o f pro d uc tio n
piping .
- Due to c o rro sio n c o nc e rns
a fte r visua l inspe c tio n
- 20 suppo rts
- Online Inspe c tio n
- Suc c e ssful Inspe c tio n
- Re sults ve rifie d .
- No ne e d to lift piping
De sc rip tio n So lutio n
- CuS T
- o l
- Inspe c to r a nd T
e c hnic ia n
- 4 d a ys
- Quic k a nswe r.
- Co st sa ving s.
- Ac c ura te a na lysis o f
piping c o nd itio n a t suppo rt a re a s. Re sult Be ne fit
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
Summar y
- Asia Ba se d Co mpa ny With Inte rna tio na l E
xpe rtise
- Sa ve s T
ime a nd Mo ne y
- No Ne e d F
- r Co stly Shutd o wns a nd L
ifting T he Pipe
- Me a sure s Ac tua l Re ma ining Wa ll T
hic kne ss
- Id e a l F
- r Shutd o wn Pla nning , Sc he d ule d Ma inte na nc e a nd Ve rific a tio n
- E
a sy Mo b iliza tio n a nd Sma ll Inspe c tio n T e a m a nd E q uipme nt
DACON INSPE CT ION SE RVICE S
FO R A LL YO UR INSPEC TIO N NEED S
How Can We He lp?
Contac t
E ma il : info @ d a c o n-inspe c tio n.c o m Pho ne : +66 (0) 33 012 484-7
www.dac on- inspe c tion.c om