• Drilling Rotating Equipment

    Drilling Rotating Equipment

          Rotating system: the figure indicate the comparative sizes of the drill pipe and drill collar. Swivel ♦ The swivel hangs from the drilling hook by means of large bail, or handle. The swivel is not rotate, but allow everything below it to rotate. ♦ Drilling fluid is introduced into the drill stem through a gooseneck connection on the swivel, which is connected to the rotary hose. Power Swivel ♦ When a ‘top-drive’ system is used, the swivel is replace by power swivel. ♦ The power swivel performs the same functions as the ‘normal swivel’, but it is also associated with a transmission system used to rotate the…