SOUTHERN STAR CENTRAL GAS PIPELINE, INC

gas_transmission Incident —

Incident Information

Report Date
OperatorSOUTHERN STAR CENTRAL GAS PIPELINE, INC
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates37.01597, -94.47993

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 7/5/2025 SOUTHERN STAR CENTRAL GAS PIPELINE (SSCGP) GAS CONTROL WAS CALLED AT 3:40 AM CDT ABOUT A POSSIBLE GAS LEAK AND NOTICED A RAPID PRESSURE LOSS AND FLOW CHANGES AT THE SAGINAW COMPRESSOR STATION. AFTER INITIAL REVIEW OF THE PRESSURE DROP IT WAS DETERMINED AT 4:07 AM THAT THE GAS LOSS WOULD BE OVER THE REPORTABLE THRESHOLD AND THE NRC WAS NOTIFIED AT 4:22 AM. AT 4:13 AM, THE ON-SITE OPERATOR PERSONNEL DETERMINED IT WAS A PRESSURE RELIEF VALVE (PRV) ACTIVATION THAT WAS THE SOURCE OF THE PRESSURE DROP AND SHUT IN THE PRV AT 4:14 AM, NO ACTUAL MAOP EXCEEDANCE OCCURRED. IT WAS DETERMINED THAT THE PRV MALFUNCTION WAS DUE TO A LOOSE BLOWDOWN RING. THE PRV WAS REPAIRED, TESTED AND RECERTIFIED WITH A SET POINT OF 715 PSIG AND PLACED BACK IN SERVICE ON 7/5/2024 AT 6:40 PM CDT.

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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