Propeller Blade Replacement and Balancing

Propeller Blade Replacement and Balancing

• Client: OceanTrak Marine Logistics

• Location: Offshore, Gulf of Mexico

• Duration: 3 days (January 2025)

• Scope of Work:
  Replace a damaged 5-blade bronze propeller on a 120m chemical tanker. The damage occurred due to underwater debris entanglement. Due to the remote location, the operation had to be conducted on-site underwater.

• Execution:

  • Divers removed existing propeller using hydraulic extraction tools.

  • Transported and secured replacement propeller using submersible lift bag system.

  • Installed new propeller and used underwater dial indicators to ensure balance.

  • Verified RPM stabilization via remote sensor testing.

• Outcome:
  Successfully completed the task in under 72 hours with no need for vessel towage. Reduced the risk of hull vibration damage and ensured long-term efficiency.