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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.

About ABL Group
ABL Group Companies:

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 - An ABL Group Company

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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Longitude
An ABL Group Company Group Overview
Menu
  • About Us
  • Sectors
    • Oil & Gas
    • Renewables
    • Defence
    • Commercial Maritime
    • Infrastructure
  • Services
    • Column One
      • Marine Operations Engineering
        • Offshore Installation
        • Module Transportation
        • Wind Farm Installation
        • Decommissioning
        • Site Specific Assessment (SSA)
        • Moorings, Umbilicals, Risers & Pipelines
        • Cable Installation
      • Site Investigations
        • Cable & Pipeline Risk
        • Site Characterisation
        • Survey Management
        • Seabed Morphology
        • Metocean Analysis
    • Column Two
      • Marine Design, Upgrade & Conversion
        • OSD-IMT: Vessel Design
        • Floating Production Systems
        • Jack-Up and Floating Rigs
        • Small Craft
        • Ships
        • Maritime Civil Engineering
        • Fixed Structures
        • Geotechnical Design
      • Advanced Analysis & Simulation
        • Computational Fluid Dynamics
        • Advanced Finite Element Analysis
        • Multibody Hydrodynamics
        • Dynamic Simulations
    • Column Three
      • Clean Shipping
        • Ballast Water Systems
        • Exhaust Gas Emissions Management
        • Hybrid Propulsion Systems
  • Our People
  • Our Offices
  • Case Studies
  • News
  • Careers
  • Contact Us
Home / Marine Operations Engineering

Case Studies


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Sector

  • Oil & Gas
  • Renewables
  • Defence
  • Commercial Maritime
  • Infrastructure

SERVICES

  • Vessel Design / OSD-IMT
  • Marine Operations Engineering
  • Site Investigations
  • Advanced Analysis & Simulations
  • Marine Design, Upgrade & Conversion
  • Clean Technologies
  • Geotechnical Design
  • Decommissioning
  • Site Specific Assessment (SSA)
  • Moorings, Risers & Pipelines
  • Maritime Civil Engineering
  • Piles, Jackets & Subsea
  • Jack-Up Rigs
  • Cable & Pipeline Risk
  • Seabed Morphology
  • Module Transportation

Sector: Renewables

Services: Cable Installation

LS CABLES & SYSTEMS – SOUTH EAST ASIA CABLE INTERCONNECTOR

Longitude were instructed by LS Cables & Systems (LSCS) to support them for the installation analysis and procedures for 2 HVAC power cables systems in South East Asia. Longitude worked…


Sector: Renewables

Services: Cable Installation

KINCARDINE, FOWF – GLOBAL SYMPHONY CABLE INSTALLATION STUDY

Longitude was instructed by Global Offshore to carry out a cable installation analysis for the export cable on the Kincardine Floating Offshore Wind Farm off the coast of Aberdeen,…


Sector: Renewables

Services: Site Investigations Dynamic Simulations Cable Installation

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: Renewables

Services: Cable & Pipeline Routing Cable Installation

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…


Sector: Oil & Gas

Services: Advanced Finite Element Analysis Decommissioning Advanced Analysis & Simulations

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

Services: Site Characterization Moorings, Riser & Pipelines Geotechnical Design

Floating Wind Array Mooring Development

Longitude are actively working with suppliers and geotechnical consultancies to investigate the loads and behaviour of shared mooring foundations for floating wind arrays. Building on existing research with single floating…


Sector: Oil & Gas Infrastructure

Services: Marine Operations Engineering Module Transportation Module Transportation

APLNG (Australia Pacific LNG) Project, QCLNG (Queensland Curtis LNG) Project, GLNG (Gladstone LNG) Project

Longitude were contracted by Bechtel to provide engineering services for transportation of LNG modules for APLNG, QCLNG and GLNG Projects. Facts and Figures: 200+ Modules transported in 72 shipments Module’s…


Sector: Oil & Gas

Services: Decommissioning Jack-Up Rigs

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…


Sector: Oil & Gas

Services: Decommissioning Jack-Up Rigs Marine Design, Upgrade & Conversion

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…


Sector: Oil & Gas

Services: Marine Operations Engineering Jack-Up Rigs

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…



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