Inicio > Term: rotary
rotary
the machine used to impart rotational power to the drill stem while permitting vertical movement of the pipe for rotary drilling. Modern rotary machines have a special component, the rotary or master bushing, to turn the kelly bushing, which permits vertical movement of the kelly while the stem is turning.
- Parte del discurso: noun
- Industria/ámbito: Petróleo y gas
- Categoría: Perforación
- Company: PETEX
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Creador
- Stepan
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