NUSTAR PIPELINE OPERATING PARTNERSHIP L.P.

hazardous_liquid Incident —

Incident Information

Report Date
OperatorNUSTAR PIPELINE OPERATING PARTNERSHIP L.P.
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates33.08750, -92.52500

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

ON SUNDAY, FEB. 27, 2022, AT 03:45, THE CONTROL CENTER EXPERIENCED A PRESSURE LOSS ON THE 10-INCH AMMONIA PIPELINE. THE CONTROL CENTER IMMEDIATELY ACTIVATED EMERGENCY PROCEDURES. THE PIPELINE WAS BLOCKED REMOTELY ON THE UPSTREAM SIDE (SOUTH) AT SPEARSVILLE PUMP STATION AND THE DOWNSTREAM SIDE (NORTH) AT VALVE 3-3. THE SR. MANAGER AREA OPERATIONS AND DIRECTOR OF OPERATIONS WERE NOTIFIED OF A POSSIBLE LEAK BETWEEN SPEARSVILLE PUMP STATION AND VALVE 3-3. OPERATIONS DISPATCHED THE LOCAL TECHNICIAN TO THE FIELD TO INVESTIGATE THE 16 MILES OF PIPE FOR THE LEAK. ADDITIONALLY, A PILOT WAS DISPATCHED TO FLY THE LINE AND SEARCH. THREE LOCAL TECHNICIANS DID NOT FIND ANYTHING, NOR DID THE PILOT. MAINTENANCE PERSONNEL WERE DISPATCHED TO THE LEAK AREA AT 11:40. OPERATIONS CONFIRMED THE LEAK AT APPROXIMATELY 17:16 ON SUNDAY, FEB. 27TH. THE LINE FILL OF THE ISOLATED PIPELINE SEGMENT IS 3850 BARRELS. BASED ON THE VOLUME REQUIRED TO REFILL THE LINE AFTER REPAIR, THE RELEASE VOLUME WAS UPDATED TO 2278 BARRELS. PROPER INTERNAL AND EXTERNAL NOTIFICATIONS WERE MADE.

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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