The purpose of this recommended practice is to provide information that can serve as industry guidance for the safe planning and execution of well construction and abandonment for prevention of loss of well control. This guidance document aims to define shared language between subsurface and drilling specialists and provide a globally applicable recommended practice for the preparation of PPFG predictions, the definition and communication of associated risks, and uncertainties, and real-time PPFG monitoring during well construction, intervention, and abandonment. This recommended practice assists readers with managing the risks associated with loss of well control. Note: the document does not cover any activity related to wellbore stability.