OKLAHOMA NATURAL GAS COMPANY, A DIVISION OF ONE GAS, INC.

gas_distribution Incident — OKLAHOMA CITY, OK

Incident Information

Report Date
OperatorOKLAHOMA NATURAL GAS COMPANY, A DIVISION OF ONE GAS, INC.
Commodity—
Pipeline Typegas_distribution

Location

CityOKLAHOMA CITY
StateOK
CountyOKLAHOMA
Coordinates35.59636, -97.64692

Cause

CausePIPE, WELD, OR JOINT FAILURE
Subcause—

Casualties

Fatalities0
Injuries1

Costs

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

Location Map

Incident Narrative

THE SOURCE OF THE LEAK WAS A CRACK IN A BUTT FUSION WELD IN A FOUR INCH POLYETHYLENE MAIN. THE CRACK EXTENDS 3.4 INCHES AROUND THE OUTER CIRCUMFERENCE AND 1.8 INCHES ALONG THE INTERIOR CIRCUMFERENCE. THERE WAS A LACK OF FUSION IN THE INTERIOR MID-PORTION OF THE WELD IN THE SEGMENT OF THE WELD WHERE THE CRACK WAS LOCATED. THREE ONG EMPLOYEES WERE AT THE RESIDENCE NEXT DOOR INVESTIGATING A REPORT OF AN ODOR AT THE TIME OF THE INCIDENT. SUPPLEMENTAL TO ORIGINAL REPORT SENT 2/1/16: CORRECTED PART G5 FROM BUTT WELD TO FUSION JOINT AND PROVIDED THE ASSOCIATED INFORMATION. SUPPLEMENTAL/FINAL SUBMITTED 7/29/16: NO CHANGES TO THE INFORMATION ALREADY REPORTED ARE FORTHCOMING.

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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