Definition(s)
Smooth Bore
Flexible pipe with an internal pressure sheath as the innermost layer.
Source: API SPEC 17J, Specification for Unbonded Flexible Pipe, Third Edition, July 2008. Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
Flexible pipe with an internal pressure sheath as the innermost layer.
Source: API SPEC 17J, Specification for Unbonded Flexible Pipe, Third Edition, July 2008. Global Standards