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Workplace Safety & IoT

AI and IoT Workplace Safety for Hazardous Oil and Gas Zones

Ombrulla integrates zone-certified wearables with Petran for real-time oil and gas workplace safety, detecting man down, no motion, H2S and heat exposure with zone-based geofencing.

Industrial worker wearing safety sensors in an oil and gas facility.

AI Overview Summary

Ombrulla implemented a real-time workplace safety solution for oil and gas sites by integrating zone-certified wearable devices with Petran. The platform continuously monitors worker exposure and behaviour (temperature exposure, no motion, man down, H2S exposure) and correlates it with the exact location by operational zone. Supervisors and HSE teams receive instant alerts for high-risk events, including lone-worker entry into hazardous zones, enabling faster intervention and measurable reductions in response time and exposure duration.

  • Industry: Oil and Gas - upstream, midstream, downstream; onshore and offshore compatible
  • Primary objective: Prevent incidents and reduce exposure in hazardous environments through real-time monitoring and geofencing
  • Devices: Zone certified wearable devices (e.g., ATEX / IECEx class where applicable) with location and safety sensors
  • Platform integration: Ombrulla safety analytics connected in real time to Petran for tracking, alerting, and reporting
  • Signals monitored: Temperature exposure, no motion, man down, H2S exposure, and exact location by zone
  • Key capability: Zone-based geofencing with rules (e.g., alert if a person enters a hazardous area alone)

Business Context

Oil and gas operations frequently involve confined spaces, work at height, toxic gas exposure risk, and heat stress. Traditional safety controls rely on manual supervision, periodic radio checks, and post-event reporting. These methods are often insufficient when a worker becomes immobile, is exposed to hazardous gas, or enters a restricted zone without immediate visibility to the control room.

The Challenge

Limited Visibility

Limited real-time visibility of worker status and location in high-risk zones.

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Delayed Detection

Delayed detection of no-motion or man-down events, especially in remote or noisy areas.

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Reactive Response

Reactive response to H2S exposure risks and heat stress, increasing medical impact.

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Manual Reporting

Manual reporting burdens and incomplete evidence for audits and investigations.

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Inconsistent enforcement of lone-worker policies and zone access rules.

The Solution

Ombrulla deployed a connected safety layer that streams data from zone-certified wearables into Petran in real time. Ombrulla safety analytics continuously evaluates sensor readings and location context against site-defined rules to generate actionable alerts, escalation workflows, and executive reporting.

How It Works

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1. Wearable Data Capture

Zonecertified devices monitor temperature, no motion, man down, H2S exposure, and location (GPS/UWB/BLE).

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2. Zone Model & Geofencing

Site is mapped into zones (Hazardous, Restricted, Muster). Logic applies rules like lone-worker detection and time-in-zone limits.

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3. Real-time Logic

Ombrulla analytics processes data against safety rules: muster compliance, restricted access, and escalation SLAs.

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4. Monitoring & Response

Petran dashboards display live status. Alerts are routed to control rooms, HSE managers, and supervisors.

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5. Incident Reporting

Automated incident timelines and audit-ready reports support investigation and compliance.

Alert Scenarios (Examples)

  • Man down in hazardous zone: immediate high-priority alert with exact zone and last known movement.
  • No motion beyond threshold: medium to high priority alert with configurable timer by task type.
  • H2S exposure breach: alarm on threshold crossing; track duration and confirm evacuation route adherence.
  • Heat stress risk: alert when temperature exposure exceeds configured limits; recommend rest and hydration.
  • Lone worker entry: alert when a worker enters a hazardous zone without a second authorised worker nearby.

Measurable Benefits

Senior leadership typically evaluates workplace safety technology on measurable improvements in detection, response, compliance, and risk exposure.

Faster Detection (MTTD)

Move man-down event detection from minutes to near-real-time alerts.

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Faster Response (MTTR)

Reduce time to assist by 20-50% with precise location accuracy.

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Policy Compliance

Reduce lone-worker violations by 40-80% via geofencing alerts.

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Reduced Exposure

Lower total person-minutes in hazardous zones through time-in-zone controls.

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Also reduces H2S threshold breaches through earlier detection and incident investigation cycle time by 25-60%.

Implementation Approach

A production-grade rollout follows these phases:

  • Safety requirements workshop: Define zone model, alert rules, and escalation matrix.
  • Device onboarding: Validate zone certification, connectivity, and battery policies.
  • Location design: Select positioning method (GPS, UWB, BLE, or hybrid) and calibrate zones.
  • Integration setup: Real-time device connectivity to Petran; analytics enabled.
  • Pilot and calibration: Run for selected crews; tune thresholds.
  • Go-live and governance: SOP updates, training, and KPI reviews.

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AI and IoT Workplace Safety for Hazardous Oil and Gas Zones