PHILLIPS 66 PIPELINE LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorPHILLIPS 66 PIPELINE LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates39.53552, -104.65140

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 4/15/2022 THE CONTROL CENTER RECEIVED A HAZARDOUS HI HI ALARM AT 11:01 AM CT ON THE POWDER RIVER LINE AT MP 330. THE CONTROL CENTER IMMEDIATELY DISPATCHED A LOCAL TECHNICIAN WHO RESPONDED TO THE BLOCK VALVE SET LOCATION AT 12:16 PM CT TO FIND AN UPSTREAM PRESSURE TRANSMITTER RELIEF VALVE HAD PREMATURELY FAILED ON THE PR01 VALVE AND WAS LEAKING GASOLINE FROM A FITTING. THE TECHNICIAN ISOLATED THE LEAK UPON ARRIVAL. THE INVESTIGATION COULD NOT DETERMINE WHAT CAUSED THE RELIEF TO FAIL. THE RELIEF WAS RATED TO 2800 PSI AND THE MOP OF THE PIPELINE IS 1440 PSI. THE FITTING WAS NOT SUITABLE FOR THE PURPOSE THAT IT WAS INTENDED, AND NOT FOR PIPELINE SERVICE. THE FITTING HAS NOW BEEN REMOVED AND REPLACED WITH THE PROPER FITTING. P66 HAS VERIFIED THAT THERE ARE NO OTHER RELIEFS OF THIS TYPE ON THE SYSTEM. 12/01/2022 WAS UPDATE WITH TOTAL/FINAL COST ASSOCIATED WITH INCIDENT.

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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