ONEOK GAS TRANSPORTATION, LLC

gas_transmission Incident —

Incident Information

Report Date
OperatorONEOK GAS TRANSPORTATION, LLC
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates35.74602, -97.63523

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

ON 8/8/2024, AN OPERATIONS DECISION WAS MADE TO CHANGE OPERATIONAL FLOW WITHIN THE FACILITY. THIS WAS A NEW VALVE CONFIGURATION TO MEET CUSTOMER DEMAND. DURING THE OPERATIONAL VALVE REALIGNMENTS, PSV 114 WAS NOT IDENTIFIED THUS NO ADJUSTMENTS WERE MADE TO THE PSV. ON 8/9/2024, UPON CHANGING THE OPERATIONAL ALIGNMENT EDMOND STORAGE PIPELINE A1129 TO A4002 PRESSURE RELIEF VALVE (PSV114) ACTIVATED AS DESIGNED. WITH THE ACTIVATION OF THE PSV, THERE WAS A RELEASE OF 26.1 MMCF. OPERATIONS HAS CONDUCTED A CAUSE MAP OF THE INCIDENT. THIS REVIEW INCLUDED A HAZARD ANALYSIS OF EACH FLOW PATH THROUGH THE FACILITY TO ENSURE APPROPRIATE PROTECTION IS IN PLACE. ADDITIONALLY, ALL OPERATIONAL FLOW CHANGES WILL GO THROUGH A REVIEW PROCESS PRIOR TO MAKING FUTURE CHANGES TO MINIMIZE THE OPPORTUNITY FOR REOCCURRENCE.

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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