GULF SOUTH PIPELINE COMPANY, LLC
gas_transmission Incident — — February 25, 2021
Incident Information
| Incident Date | February 25, 2021 |
| Operator | GULF SOUTH PIPELINE COMPANY, LLC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 31.40370, -89.34544 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | OTHER EQUIPMENT FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $575,000 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON 1/25/2021 DURING ANNUAL LINE PATROL ON INDEX 387 NEAR STATION # 4048+04, BUBBLES WERE NOTICED IN A WET AREA BETWEEN TWO LAKES. TECHNICIAN ATTEMPTED TO VERIFY IF BUBBLES WERE COMING FROM POTENTIAL LEAK ON PIPE BUT WAS UNABLE TO CONFIRM. AFTER FURTHER INVESTIGATION AND VERIFICATION OF NO HAZARDS TO PEOPLE, PROPERTY OR ENVIRONMENT, GULF SOUTH DECIDED TO EXCAVATE PIPE ON 3/5/2021 TO DETERMINE IF A LEAK WAS PRESENT. APPROXIMATELY 10 FEET OF PIPE WERE EXPOSED, SOME PITTING WAS FOUND, BUT NO VISIBLE LEAK ON EXPOSED PIPE WAS DETECTED; HOWEVER, SINCE GAS FUMES WERE DETECTED, FURTHER EXCAVATION WOULD BE REQUIRED. DUE TO PIPE DEPTH AND SOIL CONDITIONS BETWEEN TWO LAKES, GULF SOUTH DECIDED TO REPLACE PIPE IN AREA BETWEEN LAKES. ON 3/6/2021 A SECTION OF PIPE WAS BLOWN DOWN, EXCAVATED, REPLACED AND LINE WAS RETURNED TO SERVICE ON 3/15/2021. THE CAUSE IS IDENTIFIED IN PART G OF THIS REPORT AS A LEAKING CLAMP BUT IT IS UNCLEAR WHETHER THIS OR EXTERNAL CORROSION WAS THE ACTUAL CAUSE. EXTERNAL CORROSION IS IDENTIFIED AS A CONTRIBUTING FACTOR IN PART K.
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.