ENTERPRISE PRODUCTS OPERATING LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENTERPRISE PRODUCTS OPERATING LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates30.12429, -90.76953

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

ON 1/31/2019 AT 07:11, AN ENTERPRISE CONTRACTOR DISCOVERED A PINHOLE LEAK ON THE 1-INCH DRAIN LINE NIPPLE OF A MAINLINE BLOCK VALVE. THE LEAK WAS STOPPED ON 1/31/2019 AT 09:00. THE PIPELINE WAS SHUT DOWN, DEPRESSURIZED, AND PURGED WITH NITROGEN. CREVICE CORROSION WITH A PINHOLE WAS FOUND ON THE 1-INCH PIPE NIPPLE. THE 1-INCH DRAIN LINE NIPPLE AND VALVE WERE REPLACED ON 2/5/2019. THE PIPELINE WAS RETURNED TO SERVICE ON 2/8/2019. THE REPORTING TIME IN PART A NUMBER 4 IS THE TIME WHICH THE LEAK WAS DISCOVERED. THE LEAK WAS NOT DETERMINED TO BE IMMEDIATELY REPORTABLE TO THE NRC UNTIL 09:07, WHEN IT WAS ESTIMATED THE REPAIR COST WOULD EXCEED $50,000. A SUPPLEMENTAL NRC (#1236450) CALL WAS PLACED ON JANUARY 31, 2019 TO UPDATE THE LEAK LOCATION. THE NRC 48 HOUR SUPPLEMENTAL CALL WAS PLACED ON FEBRUARY 1, 2019 UPDATING VOLUME RELEASED; NRC #1236571.

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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