Definition(s)
Piggy Back
Attachment of two parallel and adjacent independent pipes, rigid or flexible, over a significant length.
Source: API RP 17B, Recommended Practice for Flexible Pipe, Fourth Edition, July 2008. Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
Attachment of two parallel and adjacent independent pipes, rigid or flexible, over a significant length.
Source: API RP 17B, Recommended Practice for Flexible Pipe, Fourth Edition, July 2008. Global Standards