PLAINS MARKETING, L.P.

hazardous_liquid Incident —

Incident Information

Report Date
OperatorPLAINS MARKETING, L.P.
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.99577, -90.85423

Cause

CauseMATERIAL FAILURE OF PIPE OR WELD
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

APPROXIMATELY 299 BBLS OF CRUDE WERE RELEASED FROM A CRACKED WELD ON THE INTERNAL 4-INCH NOZZLE TO FLANGE WELD WHERE THE DRAIN SYSTEM MAKES A CONNECTION TO THE TANK WALL. THE ROOT CAUSE OF THE CRACK IS NOT DETERMINED AT THIS TIME. A SUPPLEMENTAL REPORT WILL BE SUBMITTED ONCE THE METALLURGICAL ANALYSIS IS RECEIVED. THE NATIONAL RESPONSE CENTER (NRC) WAS NOTIFIED AS A RESULT OF THIS RELEASE AND ASSIGNED REPORT NUMBER 1172482. A FOLLOW UP CALL WAS MADE TO NRC, IN WHICH THEY ASSIGNED A SECOND REPORT NUMBER, 1172594. SUPPLEMENTAL NARRATIVE: BASED ON METALLURGICAL ANALYSIS, THE FAILURE WAS DETERMINED TO COINCIDE WITH AREAS OF INADEQUATE WELDING PRACTICE INCLUDING AN AREA WHERE THERE WAS NO ROOT PASS, LEADING TO LACK OF PENETRATION. ADDITIONALLY, THE LACK OF A WELD BEVEL PREPARATION ALSO CONTRIBUTED THE INADEQUATE QUALITY WELD. IT IS BELIEVED THIS FABRICATION OCCURRED AT THE TIME OF ORIGINAL CONSTRUCTION. THE CHEMICAL COMPOSITION DID NOT CONTRIBUTE TO THE FAILURE. PART C, NUMBER 3 AS WELL AS PART G HAS BEEN UPDATED TO REFLECT THIS ANALYSIS.

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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