The flotel was out of operations for eight days as it receives repairs to its starboard column or pontoon.
The accommodation unit sustained minor damages during a relocation exercise.
The additional crewing, mobilisation and yard costs amount to around $2 million, Prosafe said.
The rig was back in operation around the end of June.
Prosafe has also brought semi-submersible Safe Esbjerg back on stream after a periodic yard stay.
