EGAN HUB STORAGE, LLC (SPECTRA ENERGY PARTNERS, LP)
gas_transmission Incident — — June 19, 2020
Incident Information
| Incident Date | June 19, 2020 |
| Operator | EGAN HUB STORAGE, LLC (SPECTRA ENERGY PARTNERS, LP) |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 30.26009, -92.57399 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | INTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $140,000 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
AT APPROXIMATELY 1:17 PM EDT ON JUNE 19, 2020, TETLP PERSONNEL CONDUCTING A LEAKAGE SURVEY IDENTIFIED A RELEASE OF NATURAL GAS NEAR TETLP'S 24-INCH DIAMETER PIPING BETWEEN THE PR3 SKID AND THE 670 CONTACTOR AT THE EGAN COMPRESSOR STATION IN TEXAS. THE SECTION OF THE PIPE SEGMENT WAS DOWN FOR A PLANNED OUTAGE AND THE RELEASE OF GAS WAS IDENTIFIED WHILE BRINGING THE PIPE SEGMENT BACK TO SERVICE. TETLP SUBSEQUENTLY ISOLATED AND DEPRESSURIZED THIS PIPE SEGMENT. THE LEAK WAS IDENTIFIED ON A 2-INCH LOW POINT DRAIN. THE INVESTIGATION AND METALLURGICAL ANALYSIS DETERMINED THAT THE LEAK WAS THE RESULT OF INTERNAL CORROSION CAUSED BY A BUILD UP A CARBONIC ACID IN THE 2-INCH LOW POINT DRAIN. THE SEGMENT OF PIPE HAS BEEN CUT OUT AND REPLACED AND THE LINE HAS BEEN RESTORED TO IT'S PREVIOUS PRESSURE. UPDATED 12-23-2020 EGAN COMPLETED THE INVESTIGATION AND DETERMINED THE CAUSE OF THE FAILURE WAS INTERNAL CORROSION WITHIN THE LOW POINT DRAIN. UPDATED PART D.3. AND PART G.
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.