Pipeline Integrity Services and Surveys

Technical and Inspection Services

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Field Services

  • Close Interval Survey (CIS)

  • Direct Current Voltage Gradient (DCVG)

  • Alternating Current Voltage Gradient (ACVG)

  • External Corrosion Direct Assessment (ECDA)

  • Stress Corrosion Cracking Direct Assessment (SCCDA)

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  • AC (Electromagnetic) Attenuation (PCM)

  • Soil Resistivity Testing

  • Depth Of Cover Surveys

  • Sub-meter GPS location and Mapping

  • Atmospheric Corrosion Inspection Survey

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Engineering Services

  • HCA Verifications

  • Remote Monitoring Installations

  • Direct Inspection Services

  • Stray Current Interference Testing and Analysis

  • Sphere of Influence Testing

  • Cathodic Protection Design Services

  • AC Mitigation Testing, Analysis & Design

  • DOT Audit preparation & Consultation

  • Engineering and Construction Specifications

© 2023 by National Pipeline Services, LLC.

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