MARATHON PIPE LINE LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorMARATHON PIPE LINE LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates37.64411, -88.87728

Cause

CauseEQUIPMENT FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

LEAKING TRAP DOOR CLOSURE. SUSPECT HARDENING OF THE CLOSURE O-RING. THIS TRAP INLET VALVE IS KNOWN TO LEAK THROUGH AND IS PART OF A GLOBAL PROJECT TO ADDRESS SCRAPER TRAP VALVES THAT LEAK THROUGH ACROSS MARATHON PIPE LINE. THE SEALING O-RING WAS REMOVED AND A NEW ONE INSTALLED. THE TRAP WAS SUBSEQUENTLY REFILLED AND CHARGED TO 517 PSI AND VERIFIED TO BE HOLDING PRESSURE AND NOT LEAKING. THE TRAP WAS LEFT LIQUID FILLED.

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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