Accueil > 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.
- Partie du discours : noun
- Secteur d’activité/Domaine : Pétrole & gaz
- Catégorie : Forage
- Company: PETEX
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Créateur
- Harry8L
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(London, United Kingdom)