Direct Assessment & Guided Wave Testing

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Summary Details and Coating Condition Direct Examination: In-Field Data Collection Map of Any Coating Degradation Repair Data Pipe Condition (post coating removal) SLIDE 8
ECDA Post Assessment • Remaining Life, Safety Factors, Remediation – Implemented during Direct Examination • Reassessment Intervals Determined • Program Performance and Process Effectiveness Reprioritization of Indications Remaining Life Program Performance SLIDE 9
Page 1 and 2: Scott Riccardella Product Manager T
Page 3 and 4: Direct Assessment (DA) • DA is on
Page 5 and 6: ECDA Documentation • Advocate rig
Page 7: ECDA: Direct Examinations • Evalu
Page 11 and 12: Application of ECDA in a Station or
Page 13 and 14: 3-D Geographical Information System
Page 15 and 16: Half Cell Measurements and Mixed Po
Page 17 and 18: APEC Overview • Uses industry sta
Page 19 and 20: Direct Examinations • In difficul
Page 21 and 22: Case Study - Pre-Assessment • Pre
Page 23 and 24: • Results included: Case Study -
Page 25 and 26: APEC Excavation with Sleeve Install
Page 27 and 28: Case Study Conclusions • ECDA wor
Page 29 and 30: Definition Guided Wave - a wave (ac
Page 31 and 32: • Used to detect internal or exte
Page 33 and 34: Guided Wave Concept Propagation alo
Page 35 and 36: Longitudinal Torsional Flexural Wav
Page 37 and 38: GWT EQUIPMENT SLIDE 37
Page 39 and 40: Electronic Control Unit for system
Page 41 and 42: Negative Direction Series of Welds
Page 43 and 44: • Near Field - Region where the g
Page 45 and 46: Shot looks like this when data come
Page 47 and 48: Decay of the amplitude is caused by
Page 49 and 50: Amp (Linear) 25.0 20.0 15.0 10.0 5.
Page 51 and 52: Things to Consider about Sensitivit
Page 53 and 54: GWT Example Result Defect Defect De
Page 55 and 56: Elbow (71 ft. from GWT Collar) Weld
Page 57 and 58: GWT TECHNOLOGY ADVANCEMENTS SLIDE 5
Page 59 and 60:
Frequency Tuning • Most equipment
Page 61 and 62:
Passive/Synthetic Focusing • Some
Page 63 and 64:
Key Advancements • Breadth in tec
Page 65 and 66:
Guided Wave Monitoring (GWM) PowerF
Page 67 and 68:
Guided Wave Monitoring (GWM) • A
Page 69 and 70:
PAUT Roller Probe • Light-weight,
Page 71 and 72:
GWT AND CASINGS (SPECIAL APPLICATIO
Page 73 and 74:
Generation of Equipment & Software
Page 75 and 76:
Core Components of a GWT Report •
Page 77 and 78:
Data Management via GIS (web • In
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Direct Assessment & Guided Wave Testing

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