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Meeting a special challenge required a special tool.(Inspecting Capline)
From:
Pipeline & Gas Journal
| Date:
March 1, 2004| Author:
| COPYRIGHT 2004 Oildom Publishing Company of Texas, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group.Copyright information
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After being built in 1968, the Capline, the longest continuous pipeline in the continental United States, was first inspected with an In-Line-Inspection (ILI) instrumented pig by Vetco Pipeline Services, which is now part of Tuboscope Pipeline Services. The intelligent pigs used at that time would now be considered conventional tools due to their lower Magnetic Flux Leakage (MFL) resolution.
Vetco Pipeline Services ran two pigs. The first MFL pig ran in July 1989 and consisted of two separate tool bodies with the front section or tractor containing the large magnetic ...
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