The WellSafe Intervention System is designed to satisfy regulatory requirements with respect to safety. The system comprises a backup heave compensator safeguarding against primary compensator failure, and further provides for safe handling of intervention equipment and bottom hole assemblies preventing work under suspended loads. The system is a gamechanger with respect to execution of intervention operations on semi-submersible rigs. The system has been used for several intervention campaigns with exclusively positive feedback from intervention and client personnel. - Protects against overload and compressive forces on Workover riser - Activates on over-tension and loss of tension - Dedicated handling system for intervention PCE - Dedicated manipulator arm for PCE/BHA guiding