EXXONMOBIL PIPELINE CO

hazardous_liquid Incident —

Incident Information

Report Date
OperatorEXXONMOBIL PIPELINE CO
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates27.91721, -94.78446

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 THE MORNING OF FEBRUARY 21, 2021 DURING A NORMAL ROUTINE START UP IT WAS NOTICED BY THIRD PARTY PERSONNEL ON THE WILLIAMS PLATFORM THAT AN EXISTING 2"" CLAMP ON A 2"" LINE ON THE EMPCO HOOPS PUMP, BEGAN LEAKING TO CONTAINMENT. THE PLATFORM PERSONNEL CONTAINED THE LEAKING CRUDE OIL TO ONSITE DRUMS AND THERE WAS NO IMPACT TO WATER. EMPCO WAS CONTACTED BY WILLIAMS AT 0910, AND THE PIPELINE SYSTEM WAS SHUTDOWN. VERIFICATION OF REPORTABLE CRITERIA BEING MET WAS AT 10:43. EMPCO DISPATCHED PERSONNEL TO THE SITE AND THE PUMP WAS BYPASSED AND ISOLATED. THE PIPELINE WAS RESTARTED WITHOUT INCIDENT THE SAME DAY. THE FOLLOWING DAY ON FEBRUARY 22, EMPCO PERSONNEL INSTALLED SKILLET BLINDS ON THE SUCTION AND DISCHARGE OF THE PUMP. CURRENTLY THE PUMP IS MECHANICALLY ISOLATED WITH SKILLET BLINDS FROM THE SYSTEM. THE CAUSE OF THE FAILURE WAS DETERMINED TO BE A LEAKING VALVE THAT WAS THE PRIMARY ISOLATION FOR A TEMPORARY CLAMP ON A NON-RUNNING PUMP CIRCULATING LINE. UPON THIS INCIDENT, SKILLET BLINDS WERE USED TO MECHANICALLY ISOLATE THE PUMP UNTIL A PERMANENT REPAIR IS MADE. SUPPLEMENTAL INFORMATION: AT PHMSA'S REQUEST, UPDATED PART A.4 TIME OF ACCIDENT FROM 10:43 TO 9:10 PER EMPCO BEING CONTACTED BY WILLIAMS ABOUT THE LEAKING CRUDE OIL TO CONTAINMENT.

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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