Definition<WELL WORKOVER BOP AND WELLHEAD OPERATIONS> is the <Activity> of activities related to running/installing/testing/removing/retrieving <BOP>s (Blow-Out Preventers), risers, spools, wellhead plugs and valves, <X->mas trees etc
Includes diving in sub sea completion's. Does not include equipment fitted to the X-mas tree or tieback riser for wire line (use sub operation 'WIRE LINE') or stimulation (use sub operation STIMULATE) purposes. As defined by the Norwegian Oil Directorate in the "user guide for the Common Daily drilling Report System (CDRS) Report number OD-95-30"