H-mode Tie-in system
Engineered for efficiency, the system is easy and safe to operate, contributing to streamlined installation processes and significant vessel time savings. Its robust and adaptable design allows it to be customized to pass through tensioners and travel over stingers, making it highly compatible with standard installation methods and lay vessels.
By combining versatility, operational simplicity, and proven technology, the system supports reliable and cost-effective subsea field development across a broad spectrum of project requirements.
The H-mode tie-in system introduces a unique method of taking tie-in loads. It ensures a gradual and controlled build-up of loads during the tie-in process, providing a reliable and safe operation while minimizing peak load effects on connected structures.
The Open Porch System
The Open Porch system is a novel and innovative tie-in solution for large-bore export lines, representing a significant advancement of the direct tie-in method. It builds on the robustness and familiarity of traditional subsea operations while integrating new technology that enhances structural performance, operational flexibility, and installation efficiency.
Its advanced design introduces improved load management, increased alignment tolerance, and greater adaptability to varying installation conditions. The result is a solution that reduces operational complexity, improves safety margins, and delivers measurable time and cost savings during subsea installation campaigns.
The system comes with a complete tie-in tool suite. The design enables straightforward use of cleaning tools, seal replacement tools, and the stroking tool, ensuring an efficient and reliable tie-in operation.
See our H-mode tie-in system in action
