EXXONMOBIL PIPELINE CO

hazardous_liquid Incident —

Incident Information

Report Date
OperatorEXXONMOBIL PIPELINE CO
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates30.17319, -90.78774

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

AT APPROXIMATELY 2300 A HIGH TEMPERATURE ALARM, SEAL FAIL AND A HYDROCARBON RELEASE ALARM WERE ACTIVATED SHUTING DOWN THE SORRENTO DOME PROPYLENE PUMP 1250. INVESTIGATIONS DETERNINED: P-1250 OUTBOARD SEAL HAD A PIECE OF THE GLAND APPROXIMATELY 1 1/4' BREAK OFF. POSSIBLE STRUCTURAL INTEGRITY DEFECT (WRINKLE BEND OR MALFORMATION OF THE TUNGSTEN STEEL) FROM THE MANUFACTURER OR EXCESSIVE TEMPERATURE (VERIFIED BY HIGH TEMP ALARM) FROM SEAL FAILURE. ENGINEERING DETERMINED THAT APPROXIMATELY 13 GALS OR 56 LBS OF CHEMICAL GRADE PROPYLENE WAS RELEASED. THE PUMP'S OUTBOARD SEAL AND BEARINGS WERE REPLACED THE ON 03/05/2010.

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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