Oil downstream chemistry

SOFRESID ENGINEERING supports stakeholders in oil refining, gas and the chemicals industry, in France and abroad, in developing, optimizing and transforming their businesses.

In a globalized competitive environment, SOFRESID ENGINEERING develops your projects with a view to optimizing returns and operating costs.

Close to its clients via its network of sites, SOFRESID ENGINEERING is involved in every phase of investment, drawing on its experts across all trade specialities (processes, industrial security, structural engineering, structures, general installation, equipment, electricity, instrumentation and automation) and its experienced project managers.

Industrial sectors

SOFRESID ENGINEERING has solid references in different industrial sectors and is involved in their technological developments:

Oil :

  • Refining:
    • Hydrocracking
    • Distillation
    • Hydrotreatment
    • Catalytic reforming
    • Fractionation
    • Deodorizing
  • Storage:
    • Black products
    • White products
  • Distribution :
    • Loading and offloading terminals
    • Transportation by pipeline

Gas :

  • Reception in the terminal
  • Interconnection
  • Storage:
    • Surface storage, cryogenic, pressurized
    • Underground in rocky cavity or salt cavern
    • Transportation by pipeline

Chemistry :

  • Petrochemicals and major plastics
  • Basic chemistry:
    • Acrylic chemicals
    • Mineral chemistry
    • Chlorochemicals
    • Thiochemicals
  • Speciality chemistry:
    • Additives
    • Rubbers
    • High-value-added lubricants
    • Technical plastics
    • Polyurethanes
    • Silicones
  • Fine chemicals and biotechnologies:
    • Cosmetics
    • Active ingredients for pharmaceuticals, through bio-fermentation or chemical synthesis


SOFRESID ENGINEERING supports its clients from start to end of their projects:

  • New units
  • Debottlenecking
  • Modernization of existing units (production capacity, process optimization, establishing regulatory conformity)

By involvement in all phases of the project:

  • Conceptual studies (order of magnitude, APS/feasibility/APD/basic)
  • Production studies (EDI, DCE)
  • Construction prime contracting (AMT, ACT, DET, DOE)
  • Start-up assistance

Thanks to its high-level technical expertise:

  • Calculations and process simulation with HYSIS, PROSIM and PRO II and other specific software for:
    • Thermal exchanges on half-shells, dual hulls, heat exchangers (plate, tubular), coils
    • Reaction kinetics and enthalpies
    • Columns (flows, internal)
    • Established and transient regimes on corrosion loops, process networks, utilities networks (load losses, orifices, regulation valves)
    • Relief valves
  • Industrial safety and security:
    • Simulations and interpretation of scenarios on PHAST
    • Participation in design reviews (Yellow, HAZID, HAZOP)
    • Assistance in the drafting of regulatory dossiers
  • Simple risk or special risk calculations, in accordance with the regulations, on ABAQUS, CAESAR, ROBOT and other specific software for:
    • Foundations (micropiles, piles, rafts)
    • Surface civil engineering (buildings, slabs, walls, roofs)
    • Surface structures (booms, racks)
    • Pipelines (including supports)
  • Design of steel fabricated equipment (static and turning) and management of interfaces with civil engineering, structure and general installation
  • Integration of point clouds derived from laser readings in 3D models
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