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Whessoe is a market leader in designing and building low temperature and cryogenic storage and handling facilities. Committed to fulfilling client needs, we offer cutting-edge design and engineering expertise, based on over 40 years continuous experience in the hydrocarbon and petrochemical industries.

Our engineers are renowned for their skills in providing technically and commercially strong project solutions, from concept, scoping studies and FEED, through to full EPC, commissioning and project completion. In addition, we offer tank integrity, revalidation and life extension services. With over 100 years international contracting experience, Whessoe has the capability to deliver on all five continents.


Engineering, Procurement, Construction & Commissioning

Tank Roof Under Construction

As a well established, vastly experienced and multi-disciplined contractor, Whessoe combines proven technology, quality and safety with global capabilities in Engineering, Procurement, Construction and Commissioning (EPC&C) to deliver comprehensive and value-engineered solutions to clients in the hydrocarbon, petrochemical and energy industries.

Whessoe is able to take a project through the full life cycle, from concept, scoping studies and front end engineering design (FEED), through to full EPC, commissioning and readiness for operation, as principal contractor or in a PMC role.

3D Plant Design Model - Dragon LNG

Whessoe FEED and Technology

For the development of LNG, LPG and refrigerated gas storage and handling facilities.

  • Pre-feasibility and scoping studies
  • Feasibility studies
  • Front End Engineering Design (FEED)
  • FERC application support for U.S. based LNG projects
  • Technology development
Who we work for: Independent developers, global oil and gas companies, national utilities, investors and major contractors.

Tank Integrity and Revalidation

Site Safety Inspection

With many of the world’s refrigerated storage facilities in their third decade of service, both authorities and operators are concerned about the integrity of these facilities and need them to be revalidated. Whessoe has the theoretical and practical expertise to carry out this revalidation on LNG, LPG, ethylene and ammonia storage. Our capabilities include:

  • Revalidation of tankage and associated facilities
  • Decommissioning / inspection /modification / recommissioning
  • Scoping and feasibility studies
  • SI studies
  • Plant configuration
  • Tank and vessel design
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