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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
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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 / Decommissioning

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

Decommissioning barge conceptual engineering

Longitude Engineering was contracted by PTTEP to develop the conceptual engineering for a fixed platform decommissioning asset via reverse floatover. Facts and Figures: …


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