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In-Service Crude Oil Tank Cleaning & Inspection

Zero tank emptying. Zero operational shutdown. Draco functions efficiently within dense and viscous crude oil, transforming tank maintenance whilst keeping facilities fully operational throughout cleaning cycles.

Flameproof & Explosion-Proof | PESO Certification Under Process

The End of Offline Cleaning

Traditional tank cleaning requires full drainage, hazardous venting, and weeks of lost production. Draco introduces a specialised robotic system capable of operating completely submerged within active crude oil tanks.

Traditional Offline Cleaning

Traditional Offline Cleaning

  • Requires complete tank emptying and degassing
  • Weeks or months of operational downtime
  • Hazardous manual entry into toxic environments
  • Significant financial losses from halted production
Draco Online Cleaning

Draco Online Cleaning

  • Operates submerged inside active crude oil tanks
  • Zero facility downtime
  • 100% elimination of hazardous manual entry
  • Simultaneous real-time inspection and cleaning

Key Features

Stirrer for sludge breakup

Stirrer for sludge breakup

Dimensions : L: 2.09 m | W: 0.96 m (open)/
0.58 m (closed) | H: 0.42 m

Dimensions : L: 2.09 m | W: 0.96 m (open)/ 0.58 m (closed) | H: 0.42 m

4 DOF movement capability

4 DOF movement capability

Front and rear propellers

Front and rear propellers

Safety & Monitoring

IP68 explosion-proof camera icon

Explosion proof camera, lights and sensors

CIMFR certified control panel icon

Control panels with temperature monitoring

Live feed display icon

Live-feed display with depth and orientation monitoring

Hydraulic screw pump icon

Hydraulic screw pump

Flameproof hydraulic power pack icon

Hydraulic power packs & control valves

Operating Environment

IP68 explosion-proof camera icon

Designed for crude oil storage tanks

CIMFR certified control panel icon

Requires a minimum 24-inch manhole for deployment.

Amphibious Core Technology

Draco is engineered to survive and manoeuvre in harsh, zero-visibility environments containing dense and highly viscous crude oil.

01

Multi-Motion System

Advanced propulsion and mobility systems enable smooth multi-directional navigation through thick crude oil and across internal tank surfaces.

02

Viscous Operation

Engineered to withstand the pressure, density, and chemical composition of crude oil environments without structural degradation or motor failure.

03

Real-Time Inspection

Integrated sensor suites enable tank-floor mapping, sludge-depth measurement, and non-destructive testing (NDT) inspections whilst fully submerged.

Developed in Collaboration with IndianOil (IOCL)

Draco is an industry-validated solution developed in collaboration with IndianOil Corporation Limited (IOCL), engineered to meet the demanding standards of global refinery operations.

MOU signing between Draco and IndianOil representatives

Frequently Asked Questions

The world’s first amphibious drone designed for cleaning sludge inside live operational oil storage tanks without shutdown requirements.

Draco operates both above and below the oil surface, using sonar-based mapping to identify and remove sludge deposits without draining the tank or deploying personnel.

Yes. Sonar mapping performed during cleaning generates structural health data, enabling identification of corrosion and scale build-up without requiring separate inspection shutdowns.

No tank shutdowns, no manual entry, reduced turnaround times, and integrated structural inspection data all completed within a single operation.

Draco is being developed for deployment within explosive atmosphere zones. Flameproof and explosion-proof variants are available, with PESO certification currently under process.