Safety in oil and gas operations is complex, and meaningful safeguarding requires wholistic processes including documentation, procedure planning and strategic technology deployment. Meaningful health and safety depends on how clearly operatives understand the facility around them, the hazards that may develop, the safeguards in place and the actions required when something goes wrong.
Oil and gas environments are diverse and complicated. Refineries, offshore platforms, petrochemical plants, pipelines and storage terminals all require different considerations including containment, emergency access, equipment layout, flow, human response, pressure and temperature. Solutions are interconnected and a small change in one part of the system can create consequences somewhere else.
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The industry has well-established, structured safety frameworks such as classroom training, emergency response planning, hazard and operability studies (HAZOP), layer of protection analyses (LOPA), operating procedures, quantitative risk assessments (QRA) and safety integrity levels (SIL) assessments. These methods work best in combination, but HAZOP particularly helps teams to review causes, consequences, deviations, process nodes, recommendations and safeguards through multidisciplinary discussion.
However, there is a practical gap. Current discussion largely happens through piping and instrumentation diagrams (P&IDs), worksheets, risk matrices and written scenario descriptions. These tools are necessary but don’t offer physical visualisation.
While a process safety engineer may understand a pressure deviation immediately on paper, an operator, trainee or non-technical stakeholder may need to see the situation spatially to understand what it means in real life. This is where virtual reality (VR) can add value.
The gap between analysis and real-world understanding
P&IDs, HAZOP tables and engineering reports give structure and traceability, making them the backbone of process safety work. However, they do not illustrate how a scenario would feel or unfold on-site.
A HAZOP team may discuss the likely risks, such as blocked flow, delayed response, equipment failure, explosion, fire, gas release or overpressure. On a worksheet, these scenarios look like rows and columns; in a real facility, they look like emergencies, and the level of risk is dependent on the physical work environment.
Health and safety professionals must consider the physicality of the isolation valve location, as well as potential escape routes and accumulation sites for gas. Employee readiness for emergency situations is also a significant question, which on-paper HAZOP studies are insufficient to answer. Even experienced teams may imagine the same event differently, depending on facility knowledge, and experience is the best teacher.
Safeguards need to be understood in context
A safeguard is not only a line in a worksheet. It must work in a real situation.
Safeguards are multitudinous. Deployed solutions typically include alarms, containment measures, deluge systems, emergency shutdown systems, fire and gas detection, interlocks, isolation valves and pressure relief devices. In a HAZOP report, these are documented, but the complexities of real-life situations are not necessarily reflected.
For example, if a HAZOP identifies a gas release, the team may list detection, alarms, shutdown, isolation, ventilation and evacuation. Yet the practical questions remain. Can employees identify where the alarm is coming from and can the isolation valve be reached safely? Are escape routes clear and do operators understand the escalation path?
VR can help teams test these questions visually before an incident happens, contributing to preparedness and confidence.
Where VR fits into process safety
VR will not replace HAZOP, LOPA, SIL, QRA or engineering judgment. Instead, its value lies in helping operators to visualise risk more clearly.
In a virtual facility, teams can ‘walk’ through a process area, inspect equipment layout, review escape routes, check valve accessibility and experience emergency scenarios, without real danger. Insights gleaned from virtual experience can then support training, design review and emergency preparedness strategies, supporting safer work environments and stakeholder confidence.
For oil and gas operators, VR can provide repeated exposure to rare but serious events, while for health, safety and environmental teams, it makes emergency response training more realistic. At the highest level, VR can make safeguarding investments easier to understand because the risk moves beyond a line in a report and into real-world experience.
VR simulation works alongside risk modelling
For VR to be useful in serious process safety work, the scenarios should be based on proper engineering analysis, specifically performed for the oil and gas operation in question.
Defining the boundaries of actual risk must be done with complete accuracy. Risk modelling software can provide insight into possible consequences, and tools such as DNV’s Phast (Process Hazard Analysis Software Tool) or Safeti (Software for the Assessment of Flammable, Explosive and Toxic Impact), can offer specific insight into the risks of an individual facility.
Phast is used for consequence analysis. It can model discharge, dispersion, fire, explosion and toxic effects from loss-of-containment scenarios. This includes events such as jet or pool fires, explosions, toxic releases and flammable gas dispersion. Meanwhile, Safeti takes this modelling further, into quantitative risk analysis. It can model both consequence and risk, supporting fire and explosion risk assessment, occupied building risk assessment, risk-based design and risk reduction decisions.
The role of VR is distinct from other software solutions. It is not an appropriate tool for measuring actual risk and cannot be used to calculate factors such as dispersion distance, thermal radiation, explosion overpressure or toxic concentration, for example. Those results should come from validated engineering workflows and qualified process safety professionals.
The role of VR comes after that. Outputs from modelling tools can be translated into an immersive environment, to visualise assessed risks. Then, through VR, users can experience 3D-simulated gas dispersion contours, fire radiation zones, explosion impact areas and evacuation routes, without facing real danger.
For software in health and safety, analytical solutions define the technical boundaries of the hazard, while VR portrays what those boundaries mean on the ground in oil and gas operations.
From analysis to action
By virtually recreating emergency situations in industrial scenarios, immersive VR can help stakeholders understand how a hazard may progress, what response actions are expected and why certain safeguards matter.
A good VR scenario can show where employees are working, how alarms appear, how access routes change and what actions are required. It can move a team from ‘the safeguard exists’ to ‘we understand how this safeguard works in context’.
VR’s potential increases when used alongside AI-assisted HAZOP tools, consequence modelling outputs, digital twins, process data, scenario libraries, 3D plant models and training analytics.
A future workflow may start with HAZOP data, which can be connected to a 3D plant model, to apply consequence or QRA modelling. It may then use VR to review emergency response, accessibility, escalation and human behaviour.
This creates a stronger link between risk assessment, design review, training and operational readiness.
Responsible implementation
VR must be used carefully. Models must be suited to health and safety requirements, and scenarios should be reviewed by subject matter experts. Ultimately, emergency actions must follow stringent company standards built from wholistic planning. Hazard zones, alarms, equipment behaviour and response logic should always be rooted in extensive analysis, improved by visualisation.
The same applies when using consequence modelling or QRA outputs. Radiation contours, gas dispersion plumes, explosion overpressure zones and toxic exposure boundaries must be interpreted carefully and by qualified experts.
VR should support formal safety frameworks in oil and gas operations, such as emergency response planning, fire and gas mapping, HAZOP, LOPA, QRA, regulatory compliance and SIL verification. The future will be one of VR integration, but replacement is not on the cards.
Conclusion
VR is often described as a visualisation tool, but in oil and gas safety, its real value is communication. It can help to translate technical analysis into human understanding for operators on the ground, and can make HAZOP discussions more tangible, safeguard validation more practical and emergency training more realistic.
The future of process safety will not come from replacing proven engineering methods but from connecting them. HAZOP provides the structure, while modelling software defines the technical risk boundaries. Finally, VR adds spatial understanding and experiential learning.
Together, these layers can help organisations move from documentation to comprehension and from analysis to preparedness.
About the author: Amir Soleiman Esfandiari Allahgholi is an aerospace engineer, industrial 3D and virtual reality developer and the founder of Techcopter. His work focuses on the application of immersive simulation, digital visualisation and VR-based training to support technical communication, operational awareness and safety preparedness across industrial, energy and engineering environments.
