ENABLE GAS TRANSMISSION, LLC
gas_transmission Incident — — January 22, 2018
Incident Information
| Incident Date | January 22, 2018 |
| Operator | ENABLE GAS TRANSMISSION, LLC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 34.37454, -92.76611 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $450 |
| Other Costs | $0 |
Location Map
Incident Narrative
DURING THE EARLY MORNING OF 1/22/18, A BOURDON TUBE BROKE IN A BARTON CONTROLLER CAUSING A 4 INCH REGULATOR TO FAIL CLOSE AND ANOTHER 4 INCH TO FAIL OPEN. THIS CAUSED A RELIEF VALVE TO RELIEVE. SYSTEM CONTROL NOTIFIED THE LOCAL OPERATIONS GROUP OF THE ISSUE. TWO O&M TECHNICIANS WERE DISPATCHED AND ARRIVED ON SITE AT 01:45. THE O&M TECHNICIANS INSTALLED GAUGES AND DISCOVERED THE PROBLEM. THEY ISOLATED THE FAILED OPEN REGULATOR (WHICH HAD THE FAILED CONTROLLER) AND THE FAILED SHUT REGULATOR CAME BACK INTO SERVICE. THE FAILED CONTROLLER WAS REPAIRED. PLANS HAVE BEEN MADE ARE TO REPLACE THE ENTIRE CONTROLLER WITH A BECKER PILOT CONTROLLER. GAS LOSS WAS CALCULATED TO BE 4,047 MCF. THE NRC WAS NOTIFIED ON 1/22/18 AT 11:37 (NRC#1202539). A FOLLOW UP CALL WAS PROVIDED TO THE NRC ON 1/24/18 AT 07:37 (NRC#1202699).
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.