Veja Mate OWF – Siem Aimery Cable Installation Study
Longitude was instructed by Siem Offshore Contractors GmbH (SOC) to carry out a cable installation analysis relating to the inter-array cables (CAF 1620 and CAF 1621) for the Veja…
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Welcome to ABL Group
Longitude is the design and engineering arm of ABL Group - a global and independent consultancy delivering marine, energy, engineering and software solutions to drive safety and sustainability in renewables, maritime and oil & gas sectors. ABL Group operates across 43 countries worldwide.
Proper Marine
Longitude's division in Brazil - specialists in naval architecture and offshore engineering.
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ABL
The energy and marine consultants, delivering technical services to support offshore energy and maritime sectors at construction, operations, decommissioning and in marine casualty scenarios.
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AGR
Engineering consultancy, skills resourcing, survey and software provider, specialising in wells, subsurface, and marine operations.
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OWC
The renewable energy consultants - providing technical advisory, engineering and consulting for the commercial-scale development of renewable energy onshore and offshore.
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An ABL Group Company Group Overview
Case Studies
Route Metocean study for transportation of pre-assembled modules from Zhanjiang to Kuwait
Longitude was instructed by Fluor BV to provide naval architecture services for the transportation of project cargoes for the Al Zour Project. The project cargoes will consist of a…
Spud Can Cracking Root Cause Analysis
The Spudcan structure on an accommodation jack-up was showing regular through thickness cracks at the leg/can interface and requiring expensive repair and replacement operations at every dry-dock. Longitude was requested…
Well Intervention Vessel Operability
A vessel owner received a new vessel for well intervention work including wire lining, coiled tubing and through tubing. The owner required simulation work to deduce the dynamic behaviour…
Tidal Energy Device Installation
A tidal energy device developer issued an invitation to tender for the engineering, installation and removal of its device. Longitude was instructed to deduce and prove an installation concept for…
Gunfleet Sands Offshore Wind Farm
Osprey provided a moored barge to act as a floating terminal and a transportation barge to carry wind turbine generator components for the construction of Gunfleet Sands offshore wind…
Multi-body Gangway Motions Study
Intership prepared a bid for Petrobras, to provide their large accommodation barge Camelot, with a dynamic gangway to a SWATH transfer vessel. Longitude was instructed to prepare a multi-body motions…
Sector: Oil & Gas
Valhall Field Accommodation Semi-submersible Moorings
BP chartered a large semi-submersible accommodation vessel for mooring alongside a platform at the Valhall Oil Field in the Northern North Sea. Longitude were instructed to prepare a mooring analysis…
Sector: Oil & Gas
Golok and Sarawak Gas Project Float-over system design and analysis
The Golok Gas field is located offshore Sarawak, Malaysia and the development included the installation of two platforms (GOPA and GOPB). The Sarawak Gas project includes the installation of…
Prysmian Powerlink DP2 Barge Conversion
Prysmian Powerlink Services are the manufacturers and installers of submarine power cables. They were awarded a demanding project in California to install power cables in deep water with onerous…