PHILLIPS 66 PIPELINE LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorPHILLIPS 66 PIPELINE LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates35.64445, -101.27669

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

PHILLIPS 66 BARTLESVILLE CONTROL CENTER NOTIFIED LOCAL OPERATIONS OF A LEAK DETECTION ALARM ON PH50 PIPELINE. LOCAL OPERATIONS INVESTIGATED THE NOTIFICATION AND DISCOVERED THE LEAKING BODY BLEED ON THE BLOCK VALVE. THIS TUBING IS PART OF THE BODY RELIEF SYSTEM OF THE WKM POW R SEAL VALVE, WHICH DISCHARGES INTO THE UPSTREAM SIDE OF THE PIPE. THE LABORATORY ANALYSIS CONFIRMED THE TUBING FAILED DUE TO HIGH CYCLE FATIGUE FROM LOW STRESS CYCLIC STRESS. CORRECTIVE ACTIONS: 1. REPLACE THE BODY HEAVY (MASS) CARBON STEEL FITTINGS WITH LIGHTWEIGHT STAINLESS-STEEL INSTRUMENTATION FITTINGS. 2. INSTALL TUBING SUPPORT TO MINIMIZE VIBRATION.

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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