AUT Who we ar e Co nve ntio na l a nd Oil a nd Ga s, Re fine ry, - - PowerPoint PPT Presentation

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AUT Who we ar e Co nve ntio na l a nd Oil a nd Ga s, Re fine ry, - - PowerPoint PPT Presentation

ADVANCE ADVANCE UL T RASONIC UL T RASONIC INSPE CT ION IO N SERVIC ES DAC O N INSPEC T INSPE CT ION AUT 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


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SLIDE 1

ADVANCE UL T RASONIC INSPE CT ION

DAC O N INSPEC T IO N SERVIC ES

ADVANCE UL T RASONIC INSPE CT ION

AUT

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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

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 AUT

  • AUT

= Automate d Ultr asonic inspe c tion

  • Mostly use d dur

ing c onstr uc tion of long pipe line s

  • Use s Zonal disc r

imination

  • Most suitable for

nar r

  • w gap we lds
  • Ofte n c ombine d with T

OF D

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SLIDE 4

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Zonal disc r imination

  • T

he we ld will b e d ivid e d o nto se ve ra l zo ne s

  • E

a c h zo ne will b e c o ve re d b y a se pa ra te pro b e

  • T

he fill pa sse s (o f na rro w g a p we ld) ne e d a ta nd e m pro b e se t up)

Advanc e d Ultr asonic Inspe c tion AUT

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SLIDE 5

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Zonal disc r imination

  • Spe c ia l c a lib ra tio n b lo c ks with a re fle c to r re pre se nting e a c h pa rt
  • f the we ld a re re q uire d

Advanc e d Ultr asonic Inspe c tion AUT

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SLIDE 6

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Zonal disc r imination

  • A sc a nne r with a b ig numb e r o f pro b e s is use d
  • Using the c a lib ra tio n re fle c to rs e a c h pro b e is se pa ra te ly se t up to c o ve r

a nd fo c us its spe c ific zo ne

Advanc e d Ultr asonic Inspe c tion AUT

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SLIDE 7

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

AUT b a sic a lly use s 3 d iffe re nt te c hniq ue s to c o me to the fina l sig na l pre se nta tio n whic h is use d fo r inte rpre ta tio n o f the we ld inte g rity

  • Pulse e c ho UT

, with zo na l d isc rimina tio n

  • T

OF D, a d d e d fo r ve rific a tio n a nd sizing a d va nta g e s

  • Ma pping , the UT

d a ta fro m a ll c ha nne l is c o mb ine d to fo rm e a sy to inte rpre t ma p vie ws o f the to p o f the we ld

Advanc e d Ultr asonic Inspe c tion AUT

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SLIDE 8

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Sc r e e n L ay out

Advanc e d Ultr asonic Inspe c tion AUT

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SLIDE 9

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

L ac k of Side wall fusion

Advanc e d Ultr asonic Inspe c tion AUT

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SLIDE 10

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Advantage s

  • Give s e xa c t po sitio n o f the d e fe c t

in the we ld

  • Optimum a ng le o f inc id e nc e o f

the ultra so und b e a m a t the we ld inte rfa c e

  • 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
  • Give s info rma tio n a b o ut we ld d e fe c ts
  • c c urring in whic h we ld pa ss.

T his info c a n b e use d to o ptimize the we lding pro c e ss

Advanc e d Ultr asonic Inspe c tion

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

Disadvantage s

  • L
  • t o f e q uipme nt re q uire d
  • L
  • ng pre pa ra tio n a nd se t up time
  • Re q uire s e xpe rie nc e d te c hnic ia n

fo r inte rpre ta tio n

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SLIDE 11

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