Prysmian Group – West of Adlergrund Offshore Wind Farm Connection
Prysmian Group was awarded a contract to design, produce and install the power cable systems by 50Hertz Offshore GmbH for the West of Adlergrund offshore wind farm cluster in…
Close
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.
View Website
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.
View Website
AGR
Engineering consultancy, skills resourcing, survey and software provider, specialising in wells, subsurface, and marine operations.
View Website
OWC
The renewable energy consultants - providing technical advisory, engineering and consulting for the commercial-scale development of renewable energy onshore and offshore.
View Website
An ABL Group Company Group Overview
Case Studies
Sector: Oil & Gas
Decommissioning Barge Conceptual Study
Longitude Engineering was contracted by PTTEP Thailand to develop the conceptual engineering for a fixed platform decommissioning asset via reverse floatover and jacket lifting. FACTS AND FIGURES: Can accommodate the…
Sector: Renewables
Floating Wind Mooring System Evaluation Study
Longitude together with LOC have commissioned a study into the design and specification of mooring systems for semi-submersible floating wind turbines. The first phase of this study initially concentrated on…
Sector: Oil & Gas
KE-38 MOPU – MOPU Conversion Engineering
Longitude was contracted by Gryphon Energy and ROS to provide the full range of naval architecture and structural engineering services for the detailed design of the conversion of a…
FPU BW JOKO TOLE – Conversion Engineering
Longitude was contracted by BW Offshore to provide the full range of naval architecture and structural engineering service for the detailed design of the conversion of a tanker to…
Sector: Renewables
A2Sea Sea Challenger Dudgeon OWF WTG Mobilisation
Longitude was contracted to undertake naval architectural and structural engineering design and analyses on A2Sea’s jack up installation vessel Sea Challenger, for transportation and installation of Siemens 6.0MW WTG components…
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…
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…
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…
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…