ENTERPRISE CRUDE PIPELINE LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENTERPRISE CRUDE PIPELINE LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.05575, -97.79141

Cause

CauseEQUIPMENT FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON 3/3/2019 AT 4:00 THE ENTERPRISE PRODUCTS PIPELINE TECHNICIAN DURING WEEKEND STATION CHECKS DISCOVERED CONDENSATE ON THE GROUND NEAR ROOF DRAIN. THE TECHNICIAN THEN INSPECTED THE FLOATING ROOF AND FOUND CONDENSATE NEAR A ROOF LEG SLEEVE POSITIONED DIRECTLY ABOVE A TANK MIXER. FURTHER INVESTIGATION SHOWED THAT WHEN ROOF HEIGHT REACHED A LOWER LEVEL, TURBULENCE FROM THE RUNNING MIXER PUSHED CONDENSATE THROUGH THE LEG SLEEVE. CONDENSATE REACHED THE GROUND VIA THE ROOF DRAIN. INITIAL ESTIMATE WAS LESS THAN 5 GALLONS OBSERVED PRODUCT ON THE GROUND. ALL CONDENSATE WAS CONTAINED WITHIN THE TANK DIKE AND NO IMPACT TO WATER OR OTHER ENVIRONMENTALLY SENSITIVE AREAS OCCURRED. AFTER ENVIRONMENTAL REVIEW OF THE RELEASED PRODUCT AND REMEDIATION COMMENCING ON 3/4/2019 AT 10:40, IT WAS FOUND THAT 25 GALLONS (0.6 BBLS) OF CONDENSATE HAD BEEN RELEASED. PHONE NOTIFICATION WAS MADE AT 11:40 TO THE TEXAS RAILROAD COMMISSION. TO PREVENT REOCCURRENCE, SLEEVE CAPS ARE BEING PLACED ON LEG SLEEVES OF SIMILAR LEG-OVER-MIXER CONFIGURATIONS. ON 6/14/2019, IT WAS VERIFIED WITH FIELD OPERATIONS THAT THIS HAD BEEN COMPLETED.

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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