The Fingerboards consist of a series of fingers positioned over the setback area within which stands of drill pipe, drill collar and tubing are ‘racked back’ and restrained from horizontal movement.On each of the finger rows, a series of pneumatically operated latches are arranged in order to retain each stand independently and safe.Fingerboard sequences are operated in conjunction with the vertical pipe-handling system, ensuring safely captured stands throughout the handling sequence.The fingerboards are typically operated from a derrickman’s cab situated high in the derrick above the fingerboards, thus requiring no manual intervention by a derrickman.
