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Inspection Solutions for Pipelines


Inner Diameter (ID) Corrosion


ID corrosion mapping is simplified with the user-friendly interface of the IntraSpect™ imaging system.

The corrosion mapping software, together with a motion control subsystem, one of automated or manual scanners in the AMDATA product line, and, possibly, scanner tracks, gives the user a powerful, accurate system to perform corrosion mapping.

The corrosion data can then be directly processed using the RStreng algorithm (see below) for industry acceptable results of the pipe integrity.

Images of computer screen created by IntraSpect software interpretation of scan of pipeline for ID corrosion
Generated image of actual corrosion on pipeline inner surface using the IntraSpect system.

Outer Diameter (OD) Corrosion


An add-on package to the IntraSpect system to ultrasonically map OD corrosion has been developed for the AMDATA product line .

The add-on package provides hardware and software for OD corrosion mapping. The hardware consists of a sled for the 5080 automated scanner, housing the OD corrosion mapping transducer and a water couplant system designed for the inspection. The software adds a C-Scan gate to track the OD corrosion and compensates the pipe thickness for the OD corrosion pits.

The corrosion data can then be directly processed using the RStreng algorithm (see below) for industry acceptable results of the pipe integrity.

Image displayed by computer by WesDyne corrosion detection software when scanning pipe for hidden corrosion.
Detecting pipe corrosion using AMDATA product line: an IntraSpect system with C-MAPPS software and Model 5080 Automated Scanner. Click on image to view additional images.

RStreng


The RStreng algorithm is used to evaluate the remaining strength of a corroded pipe. WesDyne licenses the RStreng algorithm from Technical Toolboxes developed by the Pipeline Research Council International, Inc. (PRCI).

The IntraSpect system reports the remaining strength of the pipe using three methods:

  • Effective Area
  • 0.85 dL Area
  • ASME B31G.

By incorporting the RStreng algorithms directly into the IntraSpect system, the exact corrosion data is used, resulting in more accurate pipe integrity calculations.