Shell Software Solution
Leading-edge consequence modelling and quantitative risk analysis tools from Shell.
The official distributor of Shell safety software
Shell’s advanced consequence modelling and quantitative risk analysis tools – FRED and Shepherd – are available to the global community under an exclusive license from Gexcon.
Previously only for use on Shell projects and now available universally, the software delivers accurate and proven insights into risks and consequences through software modelling.
Key benefits
Shell’s safety software tools are designed to support safer facility design and operation. These tools are built on validated scientific models, ensuring reliability across industries.
User-friendly
Validated scientific models
Comprehensive scenario analysis
Continuous development

Developed by engineers who understand the need for accurate results and actionable outputs
An extensive body of validation work has been used to develop new models and to further develop or validate existing models within Shell software.
These tools have been used by oil, gas and petrochemical operating companies, engineering contractors, insurers and regulators throughout the world. The integrated models rely on an extensive and unique programme of large-scale experiments, combined with validated scientific research that assures the reliability and consistency of the results.
Shell and Gexcon understand the importance of accurate, validated models and continue to invest in R&D projects to further increase the accuracy and usefulness of the tools.
FRED
FRED is a fire, release, explosion and dispersion consequence modelling tool developed by Shell and available exclusively through Gexcon.

Applications
- Preparation and update of safety cases
- Justification for new design and operation
- Facility layout and equipment optimisation
- Pre-incident and emergency response planning
- Domino effects/escalation management studies
- Accident investigation
- Quantitative risk analysis (QRA) – with results directly integrated into Shell’s QRA tool, Shepherd
Shepherd
Shepherd is Shell’s Quantitative Risk Assessment tool for onshore facilities and operations. It allows fast and reliable predictions of risks related to incidents such as the release of flammable or toxic fluid, fires, and explosions.

Applications
- Quantitative risk analysis (QRA)
- Facility layout optimisation
- Explosion Exceedance Screening
- Domino effects/escalation management studies
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