bow-spring centralizer | Energy Glossary

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bow-spring centralizer

1. n. [Drilling]

A metal strip shaped like a hunting bow and attached to a tool or to the outside of casing. Bow-spring centralizers are used to keep casing in the center of a wellbore or casing ("centralized") prior to and during a cement job.

See: casing centralizercementingcentralizer

Photograph of bow-spring centralizer.