Definition(s)
Space-Out
Procedure conducted to position a predetermined length of drill pipe above the rotary table so that a tool joint is located above the subsea preventer rams on which drill pipe is to be suspended (hung-off) and so that no tool joint is opposite a set of preventer rams after drill pipe is hung-off.
Source: API RP 59, Recommended Practice for Well Control Operations, Second Edition, May 2006. Global Standards