Provide high-reliability facilities for monitoring and testing various subsea functions associated withfollowing top side types of operations:• Subsea test tree system control.• Well control during well clean up or well test operations from the drilling rig.• Installation and retrieval of the Subsea Xmas tree.• Heavy Workover of wells using a drilling rig, BOP and marine riser.• Light well intervention.• Topside control and monitoring of the surface and subsea installed production control system in FPSO