Allseas Lorelay and Calamity Jane have been reunited for the P11-B Unity project in the North Sea.

Lorelay is a versatile vessel optimised for the execution of small and medium diameter pipeline projects of any length in unlimited water depths, and for associated work such as the installation of risers and subsea protection frames.

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As the world’s first pipelay vessel to operate on full dynamic positioning when she was launched in 1986, Lorelay represented a new generation of offshore pipelaying vessel.

Calamity Jane is a dynamically positioned support vessel that assists Allseas’ pipelay vessels with activities such as pre- and post-route survey, crossing preparation and mattress installation. She also operates as an independent unit with the mechanical pipeline trencher Digging Donald.