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Pinhole in Girth Weld

Pipeline operators have long identified pinhole and especially embedded pinhole defects as a significant risk factor in their integrity management programs. NDT Global, a leading supplier of ultrasonic pipeline inspection and pipeline integrity management services, announced that it is now offering a high-resolution pinhole and pitting (UMp) metal loss inspection service to help operators mitigate such risks. 

  • Sending ultrasonic pulse
  • Pulse propagation through medium into pinhole
  • Pulse propagation and reflects within wall
  • Receiving interface echo from pinhole
  • Receiving back-wall echoes