e sting Ultr asonic T Who we ar e Co nve ntio na l a nd Oil a - - PowerPoint PPT Presentation

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e sting Ultr asonic T Who we ar e Co nve ntio na l a nd Oil a - - PowerPoint PPT Presentation

Phase d Ar r ay IO N SERVIC ES DAC O N INSPEC T e sting Ultr asonic T 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


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SLIDE 1

DAC O N INSPEC T IO N SERVIC ES

Phase d Ar r ay Ultr asonic T e sting

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SLIDE 2

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

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SLIDE 3
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SLIDE 4

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Advanc e d Ultr asonic Inspe c tion PAUT

  • PAUT

= Pha se d Arra y Ultra so nic T e sting

  • Co mpute rize d a pplic a tio n o f ultra so nic s in whic h hig h spe e d e le c tro nic s, re a l time

ima g ing . With to d a ys a d va nc e d te c hno lo g y, spe c ia l pro b e s a re utilize d fo r inspe c tio n.

  • T

he re is no physic a l d iffe re nc e b e twe e n c o nve ntio na l UT a nd PAUT . Bo th use the sa me b a sic s a nd the o ry

  • T

he ma in d iffe re nc e b e twe e n c o nve ntio na l UT a nd PAUT is within the pro b e

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SLIDE 5

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

  • A mo sa ic o f tra nsd uc e r e le me nts
  • Ba sic a lly PAUT

pro b e is a c o nve ntio na l pro b e c ut into ma ny e le me nts

  • E

le me nts' e xc ita tio n c a n b e ind ivid ua lly c o ntro lle d

  • Ce rta in d e sire d e ffe c ts c a n b e pro d uc e d b y timing the e le me nts e xc ita tio n
  • ste e ring the b e a m a xis
  • fo c using the b e a m.

Advanc e d Ultr asonic Inspe c tion PAUT

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SLIDE 6

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

How doe s it wor k

  • E

le me nts a re a c o ustic a lly insula te d fro m e a c h o the r

  • E

le me nts a re pulse d in g ro ups with pre c a lc ula te d time d e la y fo r e a c h e le me nt

  • F
  • c a l la w: d e fine s the e le me nts to b e fire d , time d e la ys, a nd vo lta g e s fo r b o th the

tra nsmitte r a nd re c e ive r func tio ns.

Advanc e d Ultr asonic Inspe c tion PAUT

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SLIDE 7

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Be am F

  • r

ming

  • No time d e la y a pplie d
  • PAUT

pro b e b e c o me s like a c o nve ntio na l UT pro b e

Advanc e d Ultr asonic Inspe c tion PAUT

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SLIDE 8

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Be am Ste e r ing

  • Pro vid e s c a pa b ility to mo d ify re fra c te d a ng le
  • Allo ws fo r multiple a ng le inspe c tio n using a sing le pro b e
  • Applie s a line a r fo c a l la w (d e la ys)

Advanc e d Ultr asonic Inspe c tion PAUT

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SLIDE 9

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Be am Ste e r ing

  • Pro vid e s c a pa b ility to mo d ify re fra c te d a ng le
  • Allo ws fo r multiple a ng le inspe c tio n using a sing le pro b e
  • Applie s a line a r fo c a l la w (d e la ys)

Advanc e d Ultr asonic Inspe c tion PAUT

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SLIDE 10

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Be am F

  • c using and Ste e r

ing at the same time

  • Pro vid e s c a pa b ility to F
  • c us a t a c e rta in d e pths a nd a t a c ho se n ra ng e o f d iffe re nt a ng le s
  • Applie s a fo c a l la w (d e la ys) a s in b e lo w fig ure

Advanc e d Ultr asonic Inspe c tion PAUT

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SLIDE 11

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

E le c tr

  • nic sc anning
  • T

he a b ility to mo ve the b e a m a lo ng o ne a xis o f a n a rra y witho ut a ny me c ha nic a l mo ve me nt

  • T

he mo ve me nt is pe rfo rme d o nly b y time multiple xing the a c tive e le me nt g ro up

  • T

he b e a m mo ve me nt d e pe nd s o n the pro b e g e o me try a nd c o uld b e :

  • line a r sc a nning
  • se c to ria l sc a nning
  • la te ra l sc a nning
  • c o mb ina tio n

Advanc e d Ultr asonic Inspe c tion PAUT

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SLIDE 12

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

L ine ar e le c tr

  • nic sc an
  • T

he b e a m will mo ve a lo ng the le ng th o f the pro b e

  • Ca n b e stra ig ht b e a m o r a b e a m a t a fixe d a ng le
  • T

his type o f sc a n is o fte n use d fo r c o rro sio n ma pping a pplic a tio ns

Advanc e d Ultr asonic Inspe c tion PAUT

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SLIDE 13

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Advanc e d Ultr asonic Inspe c tion PAUT

Se c tor ial sc an

  • T

he a b ility to sc a n a c o mple te se c to r o r vo lume witho ut a ny pro b e mo ve me nt

  • Use ful fo r inspe c tio n o f c o mple x g e o me trie s
  • T

his is the mo st typic a l sc a n whic h d isting uishe s pha se d a rra y fro m o the r te c hniq ue s

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SLIDE 14

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Applic ations

  • Ne w c o nstruc tio n we ld inspe c tio n
  • In-se rvic e we ld inspe c tio n inc lud ing Stre ss Co rro sio n Cra c king
  • Co mple x Ge o me trie s – No zzle s, F

la ng e s, Sha fts, b o lts

  • C-Sc a n ma pping
  • AUT

is a lso c o mmo nly use d , a c c e pte d , a nd c o d e c o mplia nt with pha se d a rra y ultra so nic s

Advanc e d Ultr asonic Inspe c tion PAUT

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SLIDE 15

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

We ld inspe c tion

  • A sc a n pla n to ma ke sure the we ld is c o ve re d c o mple te ly is ma d e first
  • T

he sc a n pla n will a ssist in se tting up e q uipme nt a nd fo c a l la ws

Advanc e d Ultr asonic Inspe c tion PAUT

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SLIDE 16

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

We ld inspe c tion

  • E

quipme nt c alibr ation

  • Ve lo c ity
  • We d g e d e la y fo r a ll a ng le s
  • Se nsitivity fo r a ll a ng le s
  • T

ime Co rre c te d Ga in (T CG)

  • We ld sc anning
  • Ma nua lly
  • Se mi –a uto ma te d , using a n e nc o d e r a nd fixe d d ista nc e to we ld c e nte r line
  • Using a se mi-a uto ma te d o r c o mple te ly a uto ma te d sc a nne r

Advanc e d Ultr asonic Inspe c tion PAUT

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SLIDE 17

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Inspe c tion Re sults

  • Signal inte r

pr e tation

  • On Omni sc a n
  • Using T
  • mo vie w

Inte r pr e tation c an be pr e for me d in the fie ld “r e al time ” and also r e vie we d post inspe c tion. Pe r mane nt data file s c an be save d for futur e r e sour c e . Commonly use d for monitor ing and also Auditing inspe c tion r e sults

Advanc e d Ultr asonic Inspe c tion PAUT

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SLIDE 18

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Advantage s

  • Give s info rma tio n a b o ut la te ra l po sitio n o f

d e fe c t in we ld (d e pth a nd he ig ht)

  • Give s a pe rma ne nt re c o rd
  • Re pe a ta b ility, g o o d fo r mo nito ring
  • No ra d ia tio n invo lve d
  • Ca n b e use d fo r se ve ra l a pplic a tio ns
  • Ca n find d e fe c t a t surfa c e a nd in vo lume
  • f we ld (no d e a d zo ne )
  • Inte rpre ta tio n simplifie d

Disadvantage s

  • Hig he r c o st e q uipme nt re q uire d
  • Re q uire s e xpe rie nc e d a nd tra ine d

te c hnic ia n fo r inte rpre ta tio n

  • Ang le o f inc id e nc e is no t a lwa ys
  • ptima l whe n using S-sc a n

Advanc e d Ultr asonic Inspe c tion

PAUT Adva nta g e s & Disa dva nta g e s

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SLIDE 19

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