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Pipeline Integrity Management

Pipeline Integrity Management can be a critical tool in maintaining pipelines and pipeline corrosion monitoring. MATCOR’s integrity engineering approach evaluates defects in the pipeline while proactively managing the corrosion rate of each site. An engineered prediction of a leak-free period will be determined between integrity evaluations.

Through a network of industry leading partners, we provide the management, guidance and engineering solutions, like cathodic protection, to quickly identify time-dependent defects, such as external corrosion. Direct Assessment Procedures are used to maintain and monitor, identify areas of concern, to improve the performance of the pipeline system allowing an uninterrupted leak-free operation.

We helped to develop today’s Pipeline Integrity Management regulations, and continue to provide consulting services for:

  • Integrity management plan development
  • High consequence area (HCA) identification
  • Pre-assessment planning and baseline assessment plans
  • Direct assessment surveys
  • Auditable trail and reporting

Integrity management of pipelines is a systematic, comprehensive and integrated approach to proactively counter the threats to pipeline integrity. Pressure testing, in-line inspection and direct assessment methods are used to verify the integrity of a buried pipeline. However, not all pipelines can be pressure tested or run with in-line inspection. Two-thirds of gas transmission lines and 90% of distribution lines are not candidates for in-line inspection (pigging) for a variety of reasons.

Pipeline Integrity Management, Indirect Assessment

Evaluation Methods:

  • Close interval survey (CIS)
  • Direct current voltage gradient (DCVG)
  • Alternating current voltage gradient (ACVG)
  • Pearson
  • Current attenuation
  • Pipeline current mapper (PCM)
  • C-scan
  • Resistivity
  • Depth of cover
  • GPS
  • Land survey

Pipeline Integrity Management, Indirect Assessment

Direct Examination of Pipe: Investigate, Evaluate, Document

  • Coating type, condition, evaluation
  • Corrosion mapping, measurement, evaluation, MIC
  • Pipe defects materials, welds, fittings
  • Third party damage
  • Environment soil type, moisture content, depth, pH chlorides
  • Cathodic protection P/S potentials
  • Location

Post Assessment:

  • Root cause analysis
  • Determine additional inspection need
  • Mitigate, repair or replace as required
  • Determine additional cathodic protection need
  • Determine corrosion rates
  • Electrochemical testing
  • Calculate risk and reassessment interval
  • Remaining scheduled and monitored anomalies
  • RSTRENG Calculations
  • Document and generate reports

Slide show of MATCOR's Pipeline Integrity Management Team. Click on the play button to start the show.
Captions are available by clicking on the images.

Pipeline Integrity