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Overview

We design and engineer complete flare systems for oil & gas and industrial facilities, including applications involving hydrocarbons and hazardous process fluids such as ammonia, ensuring safe combustion or controlled disposal under all operating conditions.
Each flare system is engineered as a dedicated solution, tailored to the specific operating conditions, safety requirements, and regulatory framework of the facility.
Within our Energy by Fluid approach, flare systems for hydrocarbons and special fluids such as ammonia are designed by analyzing fluid behavior, dispersion, and energy release, ensuring controlled and predictable system response even under critical conditions.

System Scope

Our flare systems are engineered as integrated packages and typically include:

  • Flare stack and associated piping
  • Knock-out drums and liquid separation
  • Ignition and flame monitoring systems
  • Blowdown and depressurization systems
  • Utility and purge systems
  • Instrumentation and control

Subsystems

Flare Stack

Engineering of flare stacks with elevated or ground-level configurations.

Design and integration of ignition panels ensuring reliable flare ignition, flame detection, and continuous monitoring under all operating conditions, including critical and emergency scenarios.
Ignition systems can be engineered using different technologies and redundancy levels, including dual-technology solutions to maximize system reliability.
Typical ignition solutions include:

  • Combustion chambers
  • High-energy igniters
  • Redundant and dual-technology ignition systems

Engineering of blowdown systems enabling rapid and controlled depressurization of process equipment during emergency and maintenance scenarios.

Engineering Approach

Flare systems are designed within our Energy by Fluid approach, where fluid behavior, pressure profiles, and energy release patterns are analyzed as an integrated system. Thermal radiation, noise, dispersion, and safe ignition are evaluated as part of a coordinated engineering process. Key engineering activities include:

  • Relief and blowdown analysis
  • Transient and dynamic simulations
  • Radiation and dispersion studies
  • Selection of flare configuration and ignition technology based on operating scenarios
  • Dispersion and risk analysis for toxic fluids
  • Mechanical and materials selection

Flare Configurations

We engineer flare systems in different configurations to match process requirements, site constraints, and safety considerations.
Supported configurations include:
vertical

Vertical flares

including self-supported and guy-roped designs
smokeless

Smokeless flares

designed to minimize visible emissions under specific operating conditions
horizontal

Horizontal flares

including burner pit applications

System Integration

Flare systems are integral components of the overall facility, interacting with all major plant systems to ensure safe and coordinated response.
Flare systems are integrated with:

  • Process systems, to manage normal and emergency relief scenarios
  • Fluid transfer systems, to handle transient flow conditions and pressure surges
  • Safety systems, including ESD and HIPPS, to ensure coordinated emergency response
  • Control systems, to enable monitoring, sequencing, and operator awareness
  • Mechanical systems, to ensure integrity under thermal and dynamic loads

Applications

Tavola disegno 7 copia 2@200x 8

Onshore and offshore oil & gas facilities

Tavola disegno 8 copia@200x 8

Gas processing and treatment plants

Tavola disegno 2@200x 8

Industrial installations handling hydrocarbons

Environmental & Regulatory Considerations

Flare systems are designed to comply with applicable environmental and safety regulations, minimizing environmental impact while ensuring safe operation under all conditions.

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