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 luding mo re tha n with Inte rna tio na l Inspe c tio n Se rvic e s Industry, Mining 300 inspe c to rs e xpe rtise sinc e 1979

Ope r ational E xc e lle nc e Our Custome r s FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE S

DAC O N INSEPEC T IO N SERVIC ES INSPE CT ION T E CHNOL OGY

T he Pr oble 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 . FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE S

What Is Dac on Cor r osion 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 . FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE S

CuS Be ne fits a nd Adva nta g e s L ifting Pipe T o Inspe c t Da c o n C uS Me tho d Use UT pro b e s to me a sure re ma ining wa ll Use spe c ia lly d e sig ne d syste m (b a se d o n UT ) to Me a sure me nt thic kne ss a fte r lifting pipe 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 Pipe line ma y ne e d to b e shutd o wn in o rd e r to Inspe c tio n c a n b e pe rfo rme d o nline with no ne e d Shutdo wn sa fe ly lift prio r to inspe c tio n 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 ifting e q uipme nt re q uire d a nd site ma y ne e d to L o g istic s Sma ll 2 ma n te a m with minima l e q uipme nt b e c le a re d Mo re e xpe nsive whe n lifting e q uipme nt a nd Sma ll te a m with minima l mo b iliza tio n c o sts. No C o st shutd o wn c o sts a re fa c to re d in shutd o wn c o sts. Che a pe r a nd e a sie r. FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE S

How It Wor ks • L o 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. FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE S

DAC O N INSEPEC T IO N SERVIC ES INSPE CT ION PROCE SS FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE S

CuS Inspe c tion Pr oc 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 o 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 o n suppo rt size . FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE 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 o n sa d d le suppo rts if we lde d (no n we lde d is fine ). FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE 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 FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE S

Re por t F or 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 FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE S

Re por t F or mat T e st loc ation no: P1452- 10- AAA3 Unde r suppor t Se c tion no. 1- 5 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. Inspe c tion Conc lusion Minimum thic kne ss found a t te st loc a tion is 6.70 mm. FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE S

Why Use DAC O N INSEPEC T IO N SERVIC ES Dac on CuS FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE 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 FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE S

Cost Be ne fit Inspe c tion Cost Compar ison 70,000 $ 60,000 $ 50,000 $ Shutdown 40,000 $ 30,000 $ +200% 20,000 $ Shutdown L og istic s Shutdown 10,000 S L og istic s L og istic s Inspe c tion Inspe c tion Inspe c tion 0 $ Dac on CuS L ift Pipe line FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE S

DAC O N INSEPEC T IO N SERVIC ES CASE ST UDIE S

Re fine r y De sc rip tio n So lutio n Re sult Be ne fit E ffe c tive shutd o wn • Inspe c tio n o f pipe ra c ks CuS T o o l Suc c e ssful Inspe c tio n • • • pla nning . a t re fine ry. Inspe c to r a nd T e c hnic ia n Re sults ve rifie d . • • Co st sa ving s. • 2 Mo nths No ne e d to lift pipe line • Prio r to shutd o wn. • • • Ac c ura te a na lysis 260 suppo rts • o f pipe line c o nd itio n Online Inspe c tio n • a t suppo rt a re a s. FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE S

Offshor e Platfor m De sc rip tio n So lutio n Re sult Be ne fit Quic k a nswe r. • Inspe c tio n o f pro d uc tio n CuS T o o l Suc c e ssful Inspe c tio n • • • Co st sa ving s. • piping . Inspe c to r a nd T e c hnic ia n Re sults ve rifie d . • • Ac c ura te a na lysis o f • 4 d a ys No ne e d to lift piping • Due to c o rro sio n c o nc e rns • • piping c o nd itio n a t a fte r visua l inspe c tio n suppo rt a re a s. 20 suppo rts • Online Inspe c tio n • FO R A LL YO UR INSPEC TIO N NEED S DACON INSPE CT ION SE RVICE S