TEXAS GAS TRANSMISSION LLC
gas_transmission Incident — — December 24, 2010
Incident Information
| Incident Date | December 24, 2010 |
| Operator | TEXAS GAS TRANSMISSION LLC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 30.05000, -92.05000 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | COMPRESSOR OR COMPRESSOR-RELATED EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $300,000 |
| Emergency Response | $1,500 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON DECEMBER 24TH, 2010 AT 12:50 AM THE TEXAS GAS, GAS CONTROL CENTER, RECEIVED VARIOUS ALARMS INDICATING FIRE, VIBRATION, AND EMERGENCY SHUTDOWN (ESD) ALARMS WERE ACTIVATED. THE GAS CONTROLLER CONTACTED THE LOCAL OPERATOR ON DUTY AND HE WAS DISPATCHED TO THE SITE. TEXAS GAS' FIRST RESPONDER ARRIVED ON LOCATION AT APPROXIMATELY 1:20 AM. UPON ARRIVING, THE FIRE DEPARTMENT AND STATE POLICE WERE ON SITE AND THE LOCATION WAS SECURE. ONCE CLEARED BY THE FIRE CHIEF ON SITE, TEXAS GAS PERSONNEL ENTERED THE SITE TO ASSESS THE DAMAGE. A GAS UNLOADER ON ENGINE #1 HAD SEPARATED FROM THE COMPRESSOR WHICH RESULTED IN A GAS RELEASE AND ULTIMATE IGNITION. THE EIGHT ENGINE BOLTS THAT SECURED THE UNLOADER WERE GATHERED AND SENT TO A METALLURGIST TO BE ANALYZED. THE METALLURGICAL REPORT DETERMINED THAT SIX OF THE EIGHT BOLTS FAILED DUE TO HIGH CYCLE FATIGUE. THE REPAIRED UNLOADER WAS TESTED BY DRESSER-RAND. THE UNLOADER WAS INSTALLED ON ENGINE #1 ON 11-21-2011. THE UNIT WAS RETURNED TO SERVICE ON 11-28-2011. ADDED DATA TO PART E5.F AS REQUESTED BY PHMSA.
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.