Definition(s)
Elephant Hide
Wrinkled outside diameter surfaces of the drill-pipe body caused by the upsetting process.
Source: API SPEC 5DP, Specification for Drill Pipe, First Edition, August 2009. Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
Wrinkled outside diameter surfaces of the drill-pipe body caused by the upsetting process.
Source: API SPEC 5DP, Specification for Drill Pipe, First Edition, August 2009. Global Standards