Oilfield Glossary
Oilfield Glossary
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internal flash

1. n. [Well Workover and Intervention]
The excess material formed on the internal surface of a coiled tubing string by the longitudinal weld during manufacture. The internal flash can be removed in some larger sizes of string to make a fullbore string less susceptible to localized corrosion that can occur in the area of the longitudinal weld.