Definition<DRILLING BOP AND WELLHEAD ACTIVITY> is the <Activity> of activities related to install/run and remove/pull test guide bases, <BOP>s, risers, wear bushings and other wellhead equipment including testing on the surface
Does not include recovery operations associated with plugging and abandoning (cf. main operation CDRS PLUG & ABANDON CLASS+G72). As defined by the Norwegian Oil Directorate in the "user guide for the Common Daily drilling Report System (CDRS) Report number OD-95-30"