Semi-Sub Rig Moves

iSURVEY has extensive experience positioning semi-submersible rigs safely on to location. We offer effective solutions based on GNSS to navigate the rig as part of a safe and controlled operation.

Pre-laying anchors using an AHV and an ROV prior to the actual rig move is now the default method, but we continue to support traditional rig moves. A standardised mobilisation report and rig move survey report are provided, containing required calibrations, verifications, as-built data and anchor catenary calculations.

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