ENTERPRISE CRUDE PIPELINE LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENTERPRISE CRUDE PIPELINE LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates28.94583, -95.42298

Cause

CauseINCORRECT OPERATION
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON 3/26/20 AT 07:32 CT DURING NORMAL ROUNDS, OPERATIONS DISCOVERED OIL LEAKING FROM ALL 4 MIXERS ON TANK 6011 AND CONTACTED LOCAL SUPERVISION. AT 08:05 PIPELINE CONTROL WAS NOTIFIED AND A CONFERENCE CALL WAS ESTABLISHED. AT 8:15, PIPELINE TECHNICIAN PROCEEDED TO TIGHTEN DOWN THE BONNETS ON ALL OF THE TANK MIXERS TO STOP THE LEAK. CONCURRENTLY, OPERATIONS STARTED TRANSFERRING PRODUCT OUT OF THE TANK AND ULTIMATELY EMPTIED THE TANK AND REMOVED THE MIXERS. AT 09:01 CT OPERATIONS CONFIRMED COSTS OF THE LEAK WOULD EXCEED THE NRC REPORTING THRESHOLD. IT WAS DISCOVERED THAT THE TANK LOW LEG SETTINGS WERE NOT A FIXED POSITION AND REQUIRED A PIN TO ESTABLISH A LOW LEG SETTING. OPERATIONS WAS NOT AWARE OF THIS REQUIREMENT BEFORE EMPTYING THE TANK; WITHOUT A PIN THE ROOF WILL DROP UNTIL COMING INTO CONTACT WITH AN OBSTRUCTION SUCH AS THE TANK MIXERS. TANK 6011 WAS DRAINED OF REMAINING PRODUCT AND ISOLATED. MIXERS WERE REMOVED AND BLINDS WERE INSTALLED BEFORE RETURNING THE TANK TO SERVICE. ALL CRUDE OIL HAS BEEN RECOVERED. NO OFFSITE IMPACTS. NRC: #1274257 ON 03/26/2020 AT 09:01 CT NRC 48-HOUR UPDATE: #1274369 ON 3/27/2020 AT 16:21 CT

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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