This Resources section is intended to summarise some of the key areas in pigging. It is intended that a comprehensive overview of pigging issues today can be presented in these pages and so can be used as a first stop pigging course.

How wax can block a pipeline and how to avoid it

This brief review shows our current understanding of how a waxy pipeline plugs with non-bypass piggi...

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High Friction Pigging

Introduction High Friction pigging can aid in pipeline installation...

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Dual and Multidiameter Pigging

Introduction The ability to pig different diameter pipelines can result in potential huge savings f...

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Buckling of Pig Sealing Discs

When the combination of disc oversize, thickness and the spacer diameter dimensions are right – or...

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