ENTERPRISE CRUDE PIPELINE LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENTERPRISE CRUDE PIPELINE LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates35.94029, -96.74920

Cause

CauseEXCAVATION DAMAGE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON 10/23/2016 AT APPROXIMATELY 21:51 THE S1 PIPELINE LOST SUCTION PRESSURE. THE ON-DUTY CONTROLLER IMMEDIATELY SHUTDOWN THE MAINLINE PUMPS AND DISPATCHED TECHNICIANS TO THE PUMP STATIONS DOWNSTREAM TO INVESTIGATE. AT APPROXIMATELY 23:25 IT WAS CONFIRMED THAT THE S1 PIPELINE HAD RUPTURED AND THE NRC CALL WAS IMMEDIATELY PLACED. THE AFFECTED SEGMENT WAS ISOLATED BY CLOSING THE MAINLINE VALVE AT MILEPOST 13. THE AFFECTED JOINT OF PIPE WAS CUT OUT AND REPLACED, THE LINE RE-INVENTORIED, AND PLACED BACK INTO SERVICE. THIS REPORT WILL BE UPDATED AT A LATER TIME TO INCLUDE THE RESULTS FROM METALLURGICAL ANALYSIS. UPDATE: 2-17-17 THE FAILURE OCCURRED AT A DAMAGED LOCATION (SHALLOW GOUGE) IN THE PIPE, WHICH CREATED A LOCAL STRESS RISER. A FATIGUE CRACK WAS INITIATED AT THE BOTTOM OF SHEAR CRACKS FORMED AT THE TIME THE GOUGE DAMAGE OCCURRED.

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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