PHILLIPS 66 PIPELINE LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorPHILLIPS 66 PIPELINE LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates37.78358, -121.63262

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

OPERATIONS RESPONDED TO A HIGH LEVEL CONTAINMENT ALARM AND FOUND A 4'' SPILLBACK VALVE PACKING RELEASED. PIPELINE WAS SHUTDOWN AND STATION ISOLATED. 7/28/2022 UPDATE DUE TO INTERNAL INVESTIGATION WAS FINALIZED ON 7/27/2022 1. THE GLAND PACKING NUTS WERE UNDER-TORQUED FROM FACTORY. 2. DURING THE INLET SEAT TEST PREPARATION, TEFLON TAPE WAS DISCOVERED ON THE STEM THAT INTERFERED WITH VALVE CLOSURE. ONCE REMOVED, THE SEAT SEALED AND THE TEST PASSED SUCCESSFULLY. 3. ONCE GLAND NUTS WERE CORRECTLY TORQUED AND TAPE WAS REMOVED FROM STEM, VALVE PASSED API 598 TESTS: FROM THE INVESTIGATION, P66 WILL COMMUNICATE THE HAZARDS OF UNDER-TORGUED PACKING AND COMMUNICATE THE IMPORTANCE OF BEING ON SITE DURING START UP OF SYSTEMS THAT OPERATE INFREQUENTLY.

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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