WHITECAP PIPE LINE COMPANY, L.L.C.

hazardous_liquid Incident — — March 25, 2010

Incident Information

Incident DateMarch 25, 2010
OperatorWHITECAP PIPE LINE COMPANY, L.L.C.
CommodityCRUDE OIL
Pipeline Typehazardous_liquid

Location

State
Coordinates28.68555, -91.04555

Cause

CauseOTHER OUTSIDE FORCE DAMAGE
SubcauseOTHER OUTSIDE FORCE DAMAGE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$2,200,000
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

THE PIPELINE FAILURE OCCURRED AT THE POINT WHERE A 36-INCH DIAMETER FOREIGN PIPELINE CROSSES OVER THE SUBJECT FAILED WPL 18-INCH PIPELINE. IT IS SPECULATED THAT DURING A PRECEDING HURRICANE, THE 36-INCH PIPELINE WAS LIFTED VERTICALLY DUE TO ON-BOTTOM CURRENTS; ONCE LIFTED, GRAVITY CAUSED THE 36-INCH PIPELINE TO FALL ON THE 18-INCH PIPELINE WITH ENOUGH FORCE TO CAUSE THE SPECIFIC DAMAGE OBSERVED. THE EXTERNAL IMPACT LOADING FROM THE 36-INCH PIPELINE WAS THE PRIMARY CAUSE OF THE FAILURE AS IT GENERATED A SEVERE DENT, CAUSING ELEVATED STRESSES. THESE STRESSES, IN CONJUNCTION WITH THE CYCLIC INTERNAL OPERATING PRESSURE CONDITIONS OF THE 18-INCH PIPELINE, GENERATED CRACKS THAT RESULTED IN THE THRU-WALL LEAK.

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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