Inicio > Term: Kelly
Kelly
The heavy square or hexagonal steel member suspended from the swivel through the rotary table and connected to the topmost joint of drill pipe to turn the drill stem as the rotary table turns.
- Parte del discurso: noun
- Industria/ámbito: Petróleo y gas
- Categoría: Perforación
- Company: PETEX
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- Harry8L
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