NATURAL GAS PIPELINE CO OF AMERICA (KMI)
gas_transmission Incident — — October 22, 2013
Incident Information
| Incident Date | October 22, 2013 |
| Operator | NATURAL GAS PIPELINE CO OF AMERICA (KMI) |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 27.27418, -98.15521 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
INDICATION OF VENTING RELIEF VALVE REPORTED TO NGPL BY A THIRD PARTY PIPELINE OPERATOR WITH PIPELINE FACILITIES CONNECTED TO THE NGPL FACILITIES AT APPROXIMATELY 7:58 PM ON 10/22/2013 AT WHICH TIME THEY CLOSED THEIR ISOLATION VALVE TO THE NGPL FACILITY. AN NGPL TECHNICIAN WAS CALLED OUT AND ARRIVED AT THE DCP LA GLORIA STATION AT APPROXIMATELY 8:30 PM, CONFIRMED THAT IT WAS THE NGPL RELIEF VALVE THAT WAS VENTING AND COMPLETED THE ISOLATION OF THE PIPING TO THE RELIEF VALVE. THE STATION REMAINED OUT OF SERVICE UNTIL THE RELIEF VALVE COULD BE MADE FUNCTIONAL BY REMOVAL OF THE LIQUIDS IN THE PILOT OPERATOR AND WAS RETURNED TO SERVICE AT APPROXIMATELY 1:45 PM ON 10/23/2013. THE RELIEF VALVE PILOT GAS PIPING WAS MODIFIED WITH THE INSTALLATION OF A LIQUID FILTER TO PREVENT A RECURRENCE OF THIS EVENT SINCE THE VALVE DID NOT RESET OR CLOSE WHEN THE INLET PRESSURE DROPPED BELOW THE VALVE SET POINT.
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.