Deep Ocean UK- East Anglia One Export Cable Installation
Longitude were instructed by Deep Ocean UK (DOUK) to undertake an array of engineering analysis scopes to support the installation of two export cables for the East Anglia One…
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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
Santa Ynez Unit C1 Cable Installation
In 2013, Prysmian was awarded a contract worth more than $100 million for the supply and installation of submarine cables in deep water for a section of ExxonMobil’s existing…
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…
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…
Deep Ocean UK-Maersk Connector Grounding Analysis at Walney
Longitude were instructed by Deep Ocean to undertake a detailed grounding analysis of their new cable lay vessel the Maersk Connector for two export cables for the Walney Extension…
MOPU LEG to MAT Re-Assessment, Repair Engineering and Repair Assistance
The MOPU Sepat was converted in 2011 from the mobile self-elevating platform “GPS PRODUCER 1” by Longitude. It was designed, developed and manufactured by Baker Marine Corporation as a…
Rampion Offshore Wind Monopile Oscillation Study
Longitude was instructed by Rampion Offshore Wind to investigate the causes of monopile oscillation during the pile lowering operation experienced on site. The aim of the analysis was to…
Seabase Float-On/Off
Longitude was contracted by Kencana HL Sdn Bhd to provide detailed engineering associated with conversion of a MODU to self-elevating accommodation rig, transportation and installation studies. As part of…
FEED Study MOPU Saparmyrat Turkmenbashi and Oguzhan FSO Decommissioning
Longitude were contracted by Petrofac RNZ and Petronas to provide the full range of naval architecture and structural engineering service for the FEED study of MOPU Saparmyrat Turkmenbashi and…
Design of Decommissioning and Removal of MOPU Cendor and Associated Wellhead Structure with Conductors
The CENDOR MOPU PRODUCER was installed in Cendor field in 2006 to produce from the field until such time as further field infrastructure is installed and decommissioned. It is…