Inicio > Term: Crown block and water table
Crown block and water table
An assembly of sheaves or pulleys mounted on beams at the top of the derrick. The drilling line is run over the sheaves down to the hoisting drum.
- Parte del discurso: noun
- Industria/ámbito: Petróleo y gas
- Categoría: Perforación
- Company: PETEX
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- Harry8L
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