ENTERPRISE PRODUCTS OPERATING LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENTERPRISE PRODUCTS OPERATING LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates27.95952, -97.36058

Cause

CauseCORROSION FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

LIQUID CONTROL CENTER RECEIVED A CALL FROM A DEPUTY WITH SAN PATRICIO COUNTY STATING THAT HE SMELLED GAS NEAR THE INTERSECTION OF HWY 181 AND COUNTY ROAD 79 NEAR TAFT TEXAS. PL TECHNICIANS WERE DISPATCHED TO THE LOCATION AND REPORTED THAT VAPORS WERE COMING FROM THE CASING VENT ON THE NORTH SIDE OF HWY 181 PIPELINE CROSSING. BLOCKED VALVES WERE CLOSED AND THE LINE WAS ISOLATED. BLOCK VALVES WERE CLOSED TO ISOLATE THE SECTION OF PIPELINE WHERE THE LEAK OCCURRED. NOTIFICATIONS WHERE MADE TO PIPELINE COMPLIANCE, ENVIRONMENTAL AND SAFETY DEPARTMENTS. NCR# 979887, TX RRC# 665. SOIL CONTAMINATION - RECOMMENDATION TO DIG OUT THE AREA AND REPLACE WITH NEW SOIL. CORRECTIVE ACTION: A PIG WILL BE PLACED INTO THE PIPELINE AND NITROGEN WILL BE USED TO REMOVE THE PRODUCT FROM THE SECTION OF PIPELINE CONTAINING THE LEAK. THE REMAINING NITROGEN/PRODUCT MIX WILL BE FLARED TO THE ATMOSPHERE AND REPAIRS WILL BE MADE TO CORRECT THE LEAK. DISCOVERY - HOLE IN PIPE 1/8"" IN CIRCUMFERENCE, IT WAS ON THE BOTTOM INSIDE OF CASING UNDERNEATH RAILROAD TRACT. COATING ON THE PIPE WAS TGF3. THIS PIPE AND LOCATION WAS UNDER RECTIFIER CURRENT APPROX. 296.5 FEET SOUTH OF THE RECTIFIER LOCATION. 10'-0"" SEGMENT OF PIPE WITH THE CORROSION CAUSED HOLE WAS SENT TO STRESS ENGINEERING LAB IN HOUSTON. LAST ILI INSPECTION ON THE SYSTEM WAS IN 2007.

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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