Pioneering Spirit has safely removed the 15,300-tonne Heather Alpha topsides from the UK northern North Sea in a single, seamless lift.
Completed on 11 August, the operation marked the culmination of three years of detailed engineering, meticulous planning and offshore preparation, delivered in close collaboration with operator EnQuest and specialist contractors.
Located 460 kilometers northeast of Aberdeen, Heather Alpha has been a fixture of the North Sea for nearly 50 years. Its removal represents the penultimate offshore lift in a packed 2025 campaign for Pioneering Spirit.
The topsides were lifted using the vessel’s unique motion-compensated system, capable of removing entire structures in a matter of seconds. This method minimizes offshore exposure, reduces man-hours and enhances safety – all while delivering major project cost savings.
“This project is a textbook example of what our single-lift technology was designed for—removing large, aging structures safely, quickly and efficiently,” says Project Manager Krijn van Eeten. “Meticulous preparation, innovative thinking, keeping solutions simple, and seamless teamwork between our onshore engineers, offshore crews and EnQuest made this another project to remember.”