TEXAS EASTERN TRANSMISSION, LP (SPECTRA ENERGY PARTNERS, LP)
gas_transmission Incident — — July 2, 2020
Incident Information
| Incident Date | July 2, 2020 |
| Operator | TEXAS EASTERN TRANSMISSION, LP (SPECTRA ENERGY PARTNERS, LP) |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 30.45911, -93.14573 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | INTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $275,000 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
ORIGINAL REPORT: AT APPROXIMATELY 7:34 AM CDT ON JULY 2, 2020 AN ENBRIDGE CONTRACTOR DISCOVERED A NATURAL GAS RELEASE BELOW GROUND AT THE GILLIS COMPRESSOR STATION ON THE TEXAS EASTERN TRANSMISSION (TETLP) SYSTEM IN BEAUREGARD PARISH, LA. THE LEAK WAS LOCATED ON THE 10-INCH EQUALIZER LINE. THE LINE WAS ISOLATED AND BLOWN DOWN ON JULY 2, 2020 AT 8:05 A.M. CDT, AND IT REMAINED ISOLATED UNTIL REPAIR WAS COMPLETE. THE PIPE WAS REPLACED ON JULY 19, 2020. THE APPARENT CAUSE IS INTERNAL CORROSION AND IS UNDER METALLURGICAL INVESTIGATION. 02/16/2021 METALLURGICAL ANALYSIS CONCLUDED THAT THE INTERNAL CORROSION WAS A RESULT OF A COMBINATION OF THE PRESENCE OF SULFUR AND CHLORIDES. THE CORROSION WAS EXACERBATED BY THE PRESENCE OF SOLIDS BUILDUP IN THE STATION PIPING. THIS PIPING AND SIMILAR PIPING IS INCLUDED IN THE ENBRIDGE FACILITY INTEGRALITY PLAN. UNDER THIS PLAN THE NEED FOR DESIGN MODIFICATIONS, PERIODIC ASSESSMENTS AND CLEANING WILL BE CONSIDERED FOR THIS LOCATION AND OTHER SIMILAR LOCATIONS.
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.