Mooring system design, related to Pioneering Spirit: Improvement of a mooring system to secure a barge alongside Pioneering Spirit in offshore conditions, including an evaluation of the dynamic loads

Continuous development in the wind turbine industry leads to increasing size of wind turbines. Allseas investigates the possibility to enter the offshore wind turbine installation industry with Pioneering Spirit.<br/>For Allseas’ preliminary wind turbine installation design, wind turbines are assembled offshore, requiring wind turbine components...

Pioneering Spirit Jacket Lift System: A dynamic analysis of the jacket mating loads

Allseas Engineering B.V. is an offshore contractor, focussed on offshore pipeline installation. Since the late 80's, Allseas has been working on the design and construction of the Pioneering Spirit, a heavy lift vessel designed for the single-lift installation and removal of offshore topsides. From 2019, it is scheduled to be able to single-lift...

Development of sway reduction control for the Jacket Lift System of Pioneering Spirit

Pioneering Spirit, Allseas's largest pipelay vessel, will be outfitted with a novel Jacket Lift System (JLS). A jacket refers to the steel frame which supports the topside of a fixed offshore platform. The Pioneering Spirit was already capable of lifting the topsides of offshore platforms, like the former oil platform Brent Delta, but would have...

Pioneering Spirit Topside Lift System Interface Design

Pioneering Spirit, Allseas newest vessel, is specialised in offshore platform installation and decommissioning. The goal of this research is to find a solution for the interface between the topside lifting system and platform jacket legs without the necessity of lengthy preparation work to platform. In a research regarding platforms...

Next Generation of Topside Lifting: The most cost effective modification to extend the platform capabilities of the Pioneering Spirit

In the last decades a lot of oil platforms have been built. According to Infield (Infield, 2015), there are over 800 oil platforms out in the ocean. These platforms need to be decommissioned at the end of their lifetime. The Pioneering Spirit (PS), is a state-of-the-art multi-purpose twin hull vessel with the capability to decommission and...

Optimization of offshore platform design, using the Pioneering Spirit for Installation