Definition(s)
Imperfection
Discontinuity on the product surface or in the product wall that can be detected by visual inspection or an NDE method outlined in this International Standard.
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
Imperfection
Discontinuity in the product wall or on the product surface that can be detected by a NDE method included in Table C.42 or Table E.42 of this Standard.
Source: API SPEC 5CT, Specification for Casing and Tubing, Upstream Segment, Ninth Edition, July 2011 (Errata September 2012). Global Standards
Imperfection
Discontinuity in the product wall or on the product surface that can be detected by an NDE method included in this International Standard. [ISO 11960:2004, definition 4.1.16].
Source: API SPEC 5DP, Specification for Drill Pipe, First Edition, August 2009. Global Standards