ONEOK NGL PIPELINE, LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorONEOK NGL PIPELINE, LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates32.28582, -101.16895

Cause

CauseCORROSION FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

ON AUGUST 21, 2015 ONEOK CONTRACTOR SANDBLASTING THE #1 10"" PIPELINE OUT OF COAHOMA STORAGE TO VERIFY AN ANOMOLY INDICATED BY ILI DATA, NOTICED HYDROCARBON VAPORS COMING FROM THE PIPE AT THE 12 O'CLOCK POSITION. PRIOR TO THE WORK, THE EXCAVATION HAD BEEN INSPECTED AND WAS CLEAR OF HYDROCARBONS. THE ONEOK INSPECTOR CONFIRMED HYDROCARBON RELEASE ON THE PIPELINE AT 13:18 HRS., INSPECTOR CONTACTED PIPELINE CONTROL CENTER AND THE PIPELINE SUPERVISOR. THE PIPELINE WAS SHUTDOWN AT 13:20 HRS. ON 8/21/2015. WORK TO INSTALL A TEMPORARY CLAMP BGAN AND THE RELEASE WAS CONTAINED BY 15:45 HRS.. ONEOK THEN DISPLACED THE HYDROCARBONS IN THE PIPELINE WITH NITROGEN AND 2 JOINTS (APPROXIMATELY 80 FT.) OF PIPE WERE REPLACED AT THE LOCATION. UPON COMPLETION OF THE PIPE REPLACEMENT, THE PIPELINE WAS RETURNED TO NORMAL OPERATION AT APPROXIMATELY 11:35 HRS. ON 8/23/2015. CORRECTED PIPE SPECS TO API 5L - 3/08/2016.

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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