Jan Berghuis: Sverdrup jacket on the H-851 towed by Pacific Duchess and Pacific Dispatch
Jan Berghuis: Pacific Duchess and Pacific Dispatch seen from Kolga
Jan Berghuis: Pacific Dispatch, Pacific Duchess and Thialf
Jan Berghuis: Pacific Duches and Pacific Dispatch towing H-851
Jan Berghuis: Sverdrup jacket (with large buoyancy tanks on her sides) on the H-851
Jan Berghuis: Johan Sverdrup Jacket
Jan Berghuis: Sverdrup Jacket
Jan Berghuis: Both pull-in wires (from Thialf) connected to jacket
Jan Berghuis: Pre-launch ballasting started
Jan Berghuis: Kolga connecting SB-6 pull-in wire from Thialf to jacket
Jan Berghuis: Up-ending crew transfer to floating jacket
Jan Berghuis: Johan Sverdrup jacket ready for launch
Jan Berghuis: Pacific Dispatch keeping the H-851 in launch position
Jan Berghuis: Crew transfer tender Seazip-4 busy with crewchanges
Jan Berghuis: Disconnecting both Thialf cranes after succesful positioning
Jan Berghuis: Floating jacket in up-ending position, PS steering line to Kolga can be seen left below
Jan Berghuis: Floating jacket kept in position by Pacific Duchess and Kolga
Jan Berghuis: Both cranes connected for up-ending
Jan Berghuis: Up-ending halfway, ballasting of jacket compartments started
Jan Berghuis: Upending halfway, H-851 in the background
Jan Berghuis: Removal of SB buoyancy tank, Pacific Duchess pulling the last rip-off plugs, Seazip-4 standing by
Jan Berghuis: First buoyancy tank laid down on H-591, tug AH Varazze connected to main bridle
Jan Berghuis: Kolga and AH Varazze keeping the H-591 (in DP) in position, while Thialf lowers second buoyancy tank on the H-591
Jan Berghuis: Drone capture of lay-down operation
Jan Berghuis: Mudmat of the jacket with gripper section in the centre clearly seen
Jan Berghuis: Floating Sverdrup jacket behind Thialf
Jan Berghuis: Ballasting during up-ending
Jan Berghuis: Touch-down on seafloor 112 meters below
Jan Berghuis: Last buoyancy tank removed vertically
Jan Berghuis: Up-ending of buoyancy tank prior to transfer to H-591