Definition(s)
Label 1
Dimensionless designation for the size or specified outside diameter, used when ordering OCTG.
Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards
Label 1
Dimensionless designation for the size or specified outside diameter that may be used when ordering pipe.
Source: API SPEC 5CRA, Specification for Corrosion Resistant Alloy Seamless Tubes for Use as Casing, Tubing and Coupling Stock, Upstream Segment, First Edition, February 2010 (Errata August 2011). Global Standards
Source: API SPEC 5CT, Specification for Casing and Tubing, Upstream Segment, Ninth Edition, July 2011 (Errata September 2012). Global Standards
Label 1
Dimensionless designation for the drill-pipe-body size that may be used when ordering.
Source: API SPEC 5DP, Specification for Drill Pipe, First Edition, August 2009. Global Standards
Label 1
Dimensionless designation for the size or specified outside diameter that may be used when ordering pipe.
Source: API TR 5C3, Technical Report on Equations and Calculations for Casing, Tubing, and Line Pipe Used as Casing or Tubing; and Performance Properties Tables for Casing and Tubing, Upstream Segment, First Edition, December 2008. Global Standards