Application of Remote-Field Eddy Current Testing to Inspection of Unpiggable Pipelines

United States. Dept. of Transportation. Pipeline and Hazardous Materials Safety Administration

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Application of Remote-Field Eddy Current Testing to Inspection of Unpiggable Pipelines

[PDF-308.62 KB]

English

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Details:

Corporate Creators:

United States. Dept. of Transportation. Pipeline and Hazardous Materials Safety Administration
Subject/TRT Terms:

[+]

Construction Corrosion Eddy Currents Inspection Maintenance And Preservation Pipelines Remote Field Eddy Current Research Hub Ttransformer Coupling
Resource Type:

Booklet/Pamphlet
Geographical Coverage:

United States
Contracting Officer:

Merritt, James
Corporate Publisher:

United States. Dept. of Transportation. Pipeline and Hazardous Materials Safety Administration
Abstract:

Corrosion of buried pipelines can lead to catastrophic failure. Many pipelines are successfully inspected by magnetic flux leakage (MFL) pigs to detect corrosion. However, there is a subset of pipelines for which MFL is not feasible. To inspect those "unpiggable" pipes will require a more adaptable technology. Remote field eddy current (RFEC) is an alternative inspection technology and potentially capable of detecting corrosion defects in pipelines not "piggable" by conventional technologies. Traditional RFEC is configured with a large excitation coil, only slightly smaller then the inside diameter of the pipe, and with multiple small sensors. This traditional exciter coil configuration often cannot pass by internal pipeline restrictions.
Format:

PDF
Funding:

DTRS56-02-T-0001
Collection(s):

PHMSA Collection US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:e49d149d6765c38e66ff4c92e586d32f7eec54291d64c5299605433eb49097d8
Download URL:

https://rosap.ntl.bts.gov/view/dot/34316/dot_34316_DS1.pdf
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No Additional Files

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Application of Remote-Field Eddy Current Testing to Inspection of Unpiggable Pipelines

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