Kiskey NDT Consulting and Training

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Phased Array Ultrasonic Inspection (PAUT) Internal Corrosion and Lamination Mapping

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Summary: This course is to teach the technician how to set up, scan, and interpret data collected by the Hydroform Immersion Scanning system. Using linear 0° PAUT, scan a section of pipe for internal metal loss (corrosion/erosion), while checking for ID connected anomalies.

Location: Various

Course Duration: 40 hours

Maximum number of students: 4

Candidate Prerequisites: Certification in at least one of the following:
  • UT Level II or III
  • PAUT Level I, II, or III
Course Fees: $3809.53 + GST = $4000/person

Equipment to be provided by candidate: Omniscan SX or MX2 or Equivalent
  • Hydroform Immersion Probe
  • Encoded scanner for Hydroform
  • Tomoview or OmniPC software
  • Reporting system
PPE to be provided by candidate: As required for pipe inspection

Certification: Yes

Procedure review and Technique: Yes

  • PAUT Principles Review
    1. What is PAUT?
    2. Linear scanning and focusing
  • Hydroform Limitations
    1. Linear focusing
    2. No Focusing in “Y” direction
    3. Data Management
  • Procedure Review
    1. Client Specific
    2. Acceptance and Rejection Criteria
    3. Burst Pressure Calculations
  • Calibration and Setup for Internal Pipe Wall Inspection
    1. Equipment Selection
    2. Calibrating
    3. Scanner setup
    4. Encoder Calibration
    5. Using “I” Gate
    6. Ultrasonic Settings
    7. Setting “X” and “Y” Encoders
  • Scanning
    1. Identify areas of interest
    2. Moving the scanner around the pipe
    3. Guidance Markup
    4. Scan length
    5. Shifting and aligning the Navic
    6. Water control and re-use
  • Assessing the Scan Data
    1. Checking for gate placement
    2. Checking for lost lines of data
    3. Checking Start and End of Scan
    4. Identifying causes of lost data
  • Data Interpretation
    1. Signal Interpretation
    2. Measuring defect length
    3. Measuring Defect Through-wall Height
    4. Measuring Defect Depth
    5. Identifying ID Connected Defects
    6. Generating Report in Omni PC or Tomoview
    7. Data conversion/transfer to “.csv” file
  • Challenges of Field ERW Inspection
    1. Surface Condition
    2. Location of Longseam
    3. Ditch, Hoarding, Weather Challenges
    4. Data Storage and Transfer
  • Written and Practical Exam
    1. Technique Review
    2. Scan Analysis
Upon completion of the course, candidates will have proven ability to:
  • Scan pipe of various diameters and wall thicknesses for internal anomalies
  • Set up Omniscan to gather data required
  • Determine when the scan data is appropriate
  • Interpret scan data
  • Identify types of anomalies
  • Identify Corrosion vs. Laminations
  • Report findings to Pipeline Owners
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