ENTERPRISE PRODUCTS OPERATING LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENTERPRISE PRODUCTS OPERATING LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.71604, -95.22006

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

AT 8:56 AM AN ENTERPRISE LINE LOCATOR IDENTIFIED VAPORS FROM A PIPE CASING VENT WHERE TWO ENTERPRISE PIPELINES ARE LOCATED. A VAPOR SAMPLE WAS SENT TO THE LAB CONFIRMING THE PRODUCT AS PROPANE, WHICH IS TRANSPORTED IN THE PASADENA #1 PIPELINE. AT 12:05 PM, ENTERPRISE DETERMINED THAT DUE TO DIFFICULTY OF ACCESS, THE INITIAL ESTIMATE FOR REPAIR COST WOULD EXCEED $50,000 THUS THE NRC WAS NOTIFIED AT 12:30 PM, AND THE RRC WAS NOTIFIED AT 12:40 PM (INCIDENT #2874). THE LEAK SEGMENT WAS ISOLATED VIA THE UPSTREAM AND DOWNSTREAM VALVES, AND THE PIPING WAS PURGED. THE SECTION OF PIPING WAS EXCAVATED AND PORTIONS OF THE CASING WERE CUT OUT TO ACCESS THE EXISTING A-SLEEVE. THE ENDS OF THE EXISTING A-SLEEVE WERE WELDED, CREATING A B-SLEEVE WHICH SEALED THE CARRIER PIPE. A REVIEW OF THE PIPELINE'S PREVIOUS INTEGRITY ASSESSMENT INDICATED THAT THE FAILURE WAS AN EXTERNAL CORROSION ANOMALY DUE TO LOCALIZED CORROSION.

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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