TRANSWESTERN PIPELINE COMPANY LLC
gas_transmission Incident — — February 16, 2018
Incident Information
| Incident Date | February 16, 2018 |
| Operator | TRANSWESTERN PIPELINE COMPANY LLC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 35.61948, -108.55285 |
Cause
| Cause | MATERIAL FAILURE OF PIPE OR WELD |
| Subcause | "DESIGN-, CONSTRUCTION-, INSTALLATION-, OR FABRICATION-RELATED" |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $85,000 |
| Emergency Response | $1,000 |
| Other Costs | $40,000 |
Location Map
Incident Narrative
"2/16/18 12:18 GAS CONTROL RECEIVED NOTIFICATION FROM A LANDOWNER OF A POSSIBLE LEAK. 14:40 MCKINLEY COUNTY SHERIFF DEPARTMENT AND LANDOWNER WERE NOTIFIED OF BLOWDOWN. 16:21 THE AFFECTED LINE SEGMENT WAS ISOLATED AND BLOWN DOWN BETWEEN VALVE SECTIONS. 2/21/18 EXCAVATION OPERATIONS CONFIRMED LEAK SOURCE; CRACK IN GIRTH WELD. NRC TELEPHONIC NOTIFICATION MADE AT 17:02 NRC#1204895. PHMSA AID NOTIFIED. 2/23/18 48-HOUR UPDATE NRC NOTIFICATION MADE AT 11:24 NRC#1205058. PHMSA AID UPDATED. 3/1/18 REPAIRS COMPLETED, THE LINE WAS RETURNED TO SERVICE AT 12:00. 7/11/18 THIS SUPPLEMENTAL/FINAL REPORT UPDATES PART G APPARENT CAUSE. THE RESULTS OF THE METALLURGICAL ANALYSIS INDICATED THAT THE LEAK INITIATED AT A BOTTOM SIDE CRACK IN A GIRTH WELD. PART D - 7.D COST FOR THE METALLURGICAL ANALYSIS WAS ALSO UPDATED. 7/16/18 THIS SUPPLEMENTAL/FINAL REPORT UPDATES THE PART A #4 - TO 2/16/18 AT 12:18."
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.