BOP Heater Blanket Electrical Short

Cause & Consequence

• Fire or explosion

Incident Location

Fixed Installation

Incident Activity

Any Activity Type

Incident Info Source

Enform

Specific Incident Equipment

BOP heater blanket

Lessons Identified

• Clean BOP equipment prior to heater installation
• Warm BOP heater proir to installation
• Ensure heater units are fastened to BOP properly
• Ground fault protection must be in place between the power source and the BOP heater
• Ensure ground fault circuit interrupter is in place when heater is installed
• Ensure power supply circuit breaker is used properly matched to the maximumsafe operating amperage of the heater sets
• Do not leave heaters connected to the power supply when not in use
• To avoid damage, remove heaters from BOP equipment prior to installation or removal from wellhead
• Do not strike heater unit with tools/equipment and avoind crushing heaters with slings or chains as damage to electrical components could occur

Incident Recommendations

• Ensure operating instructions are available and reviewed prior to operating any equipment
• Inspect heater blankets for damage prior to use
• Ensure a GFCI is installed with BOP heater blankets