Chatter

Oil & Gas Drilling Glossary - IADCLexicon.org

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Definition(s)

Chatter

Wavy surface of the thread flank, root, crest, or chamfer, caused by a vibrating cutter insert.

Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards

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