ONEOK NGL PIPELINE, LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorONEOK NGL PIPELINE, LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.85411, -94.89228

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 16:10 ON DECEMBER 12, 2016 VAPORS WERE IDENTIFIED COMING FROM A 3/4"" THREADED FITTING ON THE FILTER THERMAL BY-PASS PIPING AT ONEOK'S MOUNT BELVIEU STORAGE FACILITY. THE FILTER WAS ISOLATED AND DE-PRESSURED. ONCE DE-PRESSURED IT WAS DETERMINED THE TEFLON TAPE ON THE 3/4"" THERMAL BY-PASS PIPING HAD BEEN INCORRECTLY INSTALLED AND ALLOWED VAPORS TO ESCAPE THROUGH THE THREADS. ALL ADJACENT PIPING WAS INSPECTED AND THE 3/4"" PIPE NIPPLE WAS RE-INSTALLED WITH THE TEFLON TAPE PROPERLY APPLIED AND THE FILTER WAS RETURNED TO SERVICE. UPDATED 3/15/2017 CORRECTED GPS COORDINATES FROM ORIGINAL -- NJ

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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