ONEOK NGL PIPELINE, LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorONEOK NGL PIPELINE, LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.84593, -94.90802

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

AT APPROXIMATELY 13:15 ON 3/07/2016 ONEOK TECHNICIAN WORKING AT ONEOK'S WEST WINFREE STATION HEARD A LOUD ""POP"" AND NOTICED VAPORS RELEASING FROM 3/8"" TUBING WHICH HAD BEEN CONNECTED TO A PRESSURE TRANSMITTER ON THE PHILLIPS 66 DELIVERY LINE. TECHNICIAN IMMEDIATELY CONTACTED PIPELINE OPERATORS TO HAVE THEM SHUT DOWN THE PIPELINE. TECHNICIAN WAS ABLE TO CLOSE THE ROOT VALVE STOPPING THE RELEASE THROUGH THE TUBING FROM THE PIPELINE. EMPLOYEE REINSTALLED THE TUBING TO THE PRESSURE TRANSMITTER AND PROPERLY TIGHTENED THE FITTING. UPON COMPLETION OF INSTALLATION EMPLOYEE CONTACTED PIPELINE CONTROL AND PIPELINE WAS RESTARTED AT APPROXIMATELY 13:30. UPDATED 4/29/2016: CHANGED STATE FROM OKLAHOMA TO TEXAS - FINAL REPORT UPDATED 11/14/2016: CORRECTED COST TO THE PUBLIC AN NON-OPERATOR PRIVATE PROPERTY DAMAGE TO ZERO DOLLARS. COST HAD PREVIOUSLY BEEN ENTERED INCORRECTLY.

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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