ENTERPRISE PRODUCTS OPERATING LLC

hazardous_liquid Incident — — October 19, 2011

Incident Information

Incident DateOctober 19, 2011
OperatorENTERPRISE PRODUCTS OPERATING LLC
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates35.02529, -101.51128

Cause

CauseMATERIAL FAILURE OF PIPE OR WELD
Subcause"DESIGN-, CONSTRUCTION-, INSTALLATION-, OR FABRICATION-RELATED"

Casualties

Fatalities0
Injuries0

Costs

Property Damage$17,500
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

"A CONTRACTOR WORKING ON THE ROW DISCOVERED DEAD VEGETATION AND NOTIFIED FIELD OPERATIONS. FIELD OPERATIONS THEN NOTIFIED PIPELINE CONTROL. THERE WAS NO VISIBLE VAPOR OR ODOR BUT PROBING OF THE SUBSURFACE VERIFIED A LEAK. PIPELINE CONTROL CLOSED THE NEAREST UPSTREAM BLOCK VALVE AND REDUCED LINE PRESSURE BY OPERATING A DOWNSTREAM PUMP. BECAUSE THE EXTENT OF THE LEAK WAS NOT KNOWN INITIALLY, AN NRC CALL WAS MADE ON THE POSSIBILITY THAT THE TOTAL COSTS MIGHT EXCEED $50,000. AFTER EXCAVATION, A PINHOLE LEAK WAS FOUND ON A GIRTH WELD, AND IT WAS REPAIRED WITH A PLIDCO SLEEVE. THE HIGHLY VOLATILE LIQUIDS RELEASE VOLUME WAS RELATIVELY SMALL AND ANALYSES OF THE SOIL DID NOT EXCEED HYDROCARBON THRESHOLDS FOR SOIL CONTAMINATION."

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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