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.

0 0

Creador

  • Stepan
  •  (Silver) 770 puntos
  • 100% positive feedback
© 2024 CSOFT International, Ltd.