MAGELLAN PIPELINE COMPANY, LP

hazardous_liquid Incident —

Incident Information

Report Date
OperatorMAGELLAN PIPELINE COMPANY, LP
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.79477, -95.28210

Cause

CauseCORROSION FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

A NIPPLE ON A 2-INCH DRAIN DOWN VALVE ON A TANK LATERAL LINE DEVELOPED A PINHOLE LEAK. THE LINE WAS ISOLATED AND DRAINED OF PRODUCT SO THE NIPPLE COULD BE REPLACED. THE TANK LINE WAS RETURNED TO SERVICE FOLLOWING THE REPAIR. THE NIPPLE WAS SENT TO A LABORATORY FOR ANALYSIS WHICH DETERMINED THE LEAK WAS CAUSED BY UNDER DEPOSIT PITTING THAT INITIATED AT THE ID SURFACE. THE PRESENCE OF WATER AND DEBRIS CAUSED A REDUCED OXYGEN ENVIRONMENT UNDER THE DEBRIS WHICH PROMOTED PITTING.

About This Pipeline Incident

Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.

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