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Heerema Marine Contractors

Transportation, Installation and Removal of Offshore Structures

Heerema Marine Contractors (HMC) designs, transports, installs and removes all types of offshore fixed and floating facilities, complex subsea infrastructures and deepwater pipelines.

Vondellaan 55,
2332 AA Leiden,

Heerema Marine Contractors (HMC) designs, transports, installs and removes all types of offshore fixed and floating facilities, complex subsea infrastructures and deepwater pipelines.

Deepwater infrastructure solutions for the offshore industry

HMC develops and analyses deepwater infrastructures in depths of 3,000m. The company operates a number of deepwater construction vessels (DCV), namely DCV Balder, DCV Thialf and DCV Aegir.

HMC’s range of deepwater field development products include:

  • Mooring systems
  • Export pipelines, flowlines and risers
  • In-line structure and subsea tie-backs
  • Floater installation services

The company’s installation procedures enable operators to install deepwater infrastructure while maintaining a high-level of safety. These are developed and tested according to hazard identification (HAZID) / hazard and operability (HAZOP) methods, as well as industry-related job safety analysis (JSA) and toolbox talks.

Heerema Marine Contractors (HMC) transports, installs and removes all types of offshore facilities, including fixed structures, complex infrastructures and floating facilities.
The company operates several deepwater construction vessels (DCVs), including DCV Balder.
HMC performs removal and decommissioing services on offshore platforms.
The company's heavy-lift crane vessels have lifting capabilities of up to 14,000ft.
HMC has worked on a number of float-over projects, including the Malampaya platform in Singapore.

Heavy-lift crane vessels

HMC uses state-of-the-art equipment, including deepwater construction vessels and dedicated crane vessels, with lifting capacities of up to 14,000t.

Its cranes and its pipelay equipment have set many industry records. The capacities of the pipelay and lowering equipment are sufficient for projects in 10,000ft of water.

The advantages of HMC’s crane vessels include:

  • Dual-crane capacity for installing integrated decks
  • Optional accommodation during hook-up support operations
  • Semi-submersible hull shapes, which reduce weather downtime and improve first oil dates
  • The ability to transport modules and equipment on the deck of the crane vessel, reducing cost and enhancing workability

Decommissioning and removal services of offshore facilities

HMC provides custom platform decommissioning and removal services for the offshore industry, using reverse installation.

The company performs operations on a range of platforms, including:

  • Jackets: offloading preparation and removal
  • Topsides: offloading and removal
  • Pile cutting, soil plugs and conductors: removal

HMC uses specialised lifting, logistics and removal equipment to undertake these procedures.

Float-over projects

HMC’s float-over installations provide clients with opportunities to incorporate heavy topsides without the need for crane vessels.

The company’s float-over applications offer transportation and hook-up cost savings, as well as minimises the amount of equipment required and the potential safety risks during the operation.

About Heerema Marine Contractors

HMC manages the complete supply chain of offshore construction, from design to completion.

The company’s services include engineering, planning, logistics, project management and execution of projects worldwide.

Anasuria Cluster, Central North Sea

The Anasuria Cluster, located approximately 175km east of Aberdeen in the Central North Sea, United Kingdom, incorporates the Teal, Teal South, Guillemot A and Cook fields, all of which share the Anasuria floating production, storage and offloading (FPSO) host platform.

Valhall Flank West, North Sea

The Valhall Flank West project will develop the western flank of the Valhall oilfield, located south of the Norwegian sector of the North Sea.

Marlin Field, Block CI-27

The Marlin oil and gas field is located within the offshore Block CI-27, approximately 70km south-west of Abidjan, Cote d'Ivoire.

Heerema’s Sleipnir Passes Sea Trials

Sleipnir, Heerema Marine Contractor’s newest state-of-the-art semi-submersible crane vessel and the world’s first LNG powered Construction Vessel, has successfully completed its sea trials and crane load tests.

28 June 2019

Heerema Marine Contractors Nederland

Vondellaan 55
2332 AA Leiden

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