Free Point Indication/ Backoff (FPI/ BO)
More fatalities occur during free point indication/ backoff than during any other wire-line operation except perforating.
In Free Point Indication/ Backoff (FPI/ BO) operations, the travelling block is required for working the drill pipe and consequently the upper sheave has to be installed in the certified, permanent upper sheave support in the Drilling Mast. Precautions such as safety slings and shackle pin locking devices etc. shall be incorporated.
All non-essential personnel shall be kept clear of the rig floor at all times during this . . .