PANHANDLE EASTERN PIPELINE CO

gas_transmission Incident —

Incident Information

Report Date
OperatorPANHANDLE EASTERN PIPELINE CO
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates39.63406, -89.63274

Cause

CauseEQUIPMENT FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON JULY 11, 2022, AT APPROXIMATELY 14:50 A NATURAL GAS RELEASE OCCURRED AT THE GLENARM COMPRESSOR STATION LOCATED IN SANGAMON COUNTY, ILLINOIS. THE NATURAL GAS RELEASE WAS DUE TO A FAILED O-RING IN THE SYSTEM THAT SUPPLIED DOME PRESSURE ON AN ESD BLOWDOWN VALVE. THE DOME LOST PRESSURE WHICH CAUSED THE BLOWDOWN VALVE TO FAIL OPEN. AT 15:08, A LOCAL OPERATOR ISOLATED AND CLOSED THE ESD VALVE, THE POWER GAS PRESSURE WAS STABILIZED, AND THE RELEASE WAS SECURED. THE DAMAGED O-RING WAS REPLACED WITH A NEW O-RING AND THE SYSTEM WAS PUT BACK INTO SERVICE. AT APPROXIMATELY 16:20, IT WAS CONFIRMED THAT THE UNINTENTIONAL GAS LOSS WAS AT 5.928 MMCF, WHICH EXCEEDED THE 3 MMCF REPORTING CRITERIA AND THE NRC WAS NOTIFIED AT 16:44.

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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