SOUTHERN STAR CENTRAL GAS PIPELINE, INC

gas_transmission Incident — — December 24, 2014

Incident Information

Incident DateDecember 24, 2014
OperatorSOUTHERN STAR CENTRAL GAS PIPELINE, INC
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates36.86651, -97.93076

Cause

CauseCORROSION FAILURE
SubcauseINTERNAL CORROSION

Casualties

Fatalities0
Injuries0

Costs

Property Damage$58,700
Emergency Response$300
Other Costs$0

Location Map

Incident Narrative

AT 21:12 ON DECEMBER 24, 2014, SSC OPERATOR CALLED GAS CONTROL AND REPORTED A POSSIBLE RELIEF VALVE BLOWING AT OR NEAR THE WAKITA STATION. SSC GAS CONTROL RECEIVED TWO LOW RATE OF CHANGE ALARMS AT WAKITA STATION AT THE SAME TIME. PSAP WAS NOTIFIED AND PRESSURE CONTINUED TO FALL IN THE AREA. AT 21:38 SSC GAS CONTROL WAS NOTIFIED THAT LOCAL OPERATIONS DISCOVERED A LINE UNDER THE SEPARATOR TANK LEAKING. OPERATIONS HAD CLOSED THE SUCTION AND DISCHARGE VALVES TO THE STATION AND ISOLATED BOTH UNITS. NO HORSEPOWER WAS RUNNING AT THE TIME. THIS WAS NOT A RELIEF VALVE BLOWING. BECAUSE THE STATION WAS NOT NEEDED AND THE AFFECTED PIPELINE WAS ISOLATED THE ISSUE WAS CONTAINED AND THERE WAS NOT ANY IMMEDIATE THREAT. IT WAS DETERMINED THAT THE LEAK WOULD BE INVESTIGATED AT A LATER DATE TO DETERMINE THE CAUSE. WHEN SSC OPERATIONS BEGAN INVESTIGATING IT WAS DETERMINE THAT THE REPAIR OF THE LEAK COULD BE EXTENSIVE AND THE NRC WAS NOTIFIED.

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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