About Us
At Caledonian Subsea Engineering, we are committed to delivering innovative technical and operational solutions that help our clients achieve their wellsite objectives.
Whether you’re planning and executing a light well intervention campaign or optimising well access operations on a conventional riser-based system, our highly experienced team is ready to support you.
With extensive international experience, including operations across Sub-Saharan Africa since 2014, we bring practical insight into delivering projects in complex and diverse offshore environments. Our approach is built on adaptability, local understanding, and consistent technical support wherever the campaign takes place.
Innovative Engineering Solutions for Your Business
Light Well Intervention (LWI)
Specialist planning and execution of light well intervention campaigns using riser-less and riser-based techniques. Services cover campaign design, equipment selection, procedure development, and offshore supervision to deliver safe, efficient interventions that minimise downtime and maximise access to critical downhole assets.
Intervention Workover Control Systems (IWOCS)
Integration and operational support for Intervention Workover Control Systems, including surface and subsea SWOCS setups. Expertise includes system architecture review, FAT/SIT coordination, commissioning, supervision, and in-field troubleshooting.
Subsea Xmas Tree & Control Systems
Technical consultancy for Xmas tree Installation, Intervention and lifecycle management, covering actuator flushing, hydrostatic testing, control system diagnostics, and software/firmware verification. Advisory work supports robustness, maintainability and OEM-agnostic interoperability during interventions and installations.
Testing, Assurance & Commissioning
Structured testing and assurance services from factory acceptance through SIT and offshore testing, including test plan development, witness testing, witness reporting and remedial action tracking. Emphasis on traceable quality controls and rapid resolution of faults that could impact campaign delivery.
Operational Guidance & Technical Support
Onshore and offshore operational advisory, incident diagnostics and remote technical support for complex well and subsea control events. Services range from pre-mobilisation risk workshops to live troubleshooting and root-cause analysis, providing a single point of technical accountability for clients.
Vessel Integration & Offshore Campaign Management
Vessel selection, mobilisation planning and on-board systems integration for LWI campaigns, including vessel suitability studies, deck equipment layout, and logistics management. Deliverables include mobilisation packs, procedure alignment, and live operational support to maintain schedule and safety targets.