Oilfield Glossary

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Note: Definitions provided on this website are for reference purposes only. Engineers and professionals should independently confirm all information using industry standards.

Iron roughneck

An Iron Roughneck is a hydraulic machine used to connect and disconnect (make up and break out) drill pipe joints. It replaces the manual use of large casing tongs and spinning chains, significantly improving safety and consistency.

The machine combines a spinner (to spin the pipe quickly) and a torque wrench (to apply the final high-torque tightening). It ensures every connection is made up to the exact torque specification, reducing the risk of connection washouts or back-offs.

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