ENERGY TRANSFER COMPANY — Gas transmission and gathering — incident on 2019-03-27

Gas transmission and gathering incident in KINGSVILLE, KLEBERG County, TX. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 8490 NATURAL GAS released, $5,000 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.

Report number: 20190051.

Operator ID: 32099.

Reported incident date: 3/27/2019 12:03.

Location detail: 0.02

Cause detail: MALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Cause detail: ON MARCH 27, 2019 AT APPROXIMATELY 12:03 PM, ENERGY TRANSFER HAD A RELIEF VALVE MALFUNCTION ON THE LOBO 30" RESIDUE PIPELINE. THIS PIPELINE SYSTEM IS A CLASS 1 TRANSMISSION LINE AND IS LOCATED ON THE KING RANCH IN KLEBERG COUNTY IN KINGSVILLE, TX. THE EVENT WAS REPORTABLE DUE TO THE UNINTENTIONAL RELEASE OF GAS AMOUNTED AT 8.49 MMCF. THE RELIEF VALVE MALFUNCTIONED AND RELEASED PREMATURELY. THE PRESSURE ON THIS SYSTEM DID NOT EXCEED MAOP. THE PIPELINE WAS SHUT IN FOR RELIEF VALVE REPAIR. THE RELIEF VALVE WAS REBUILT AND REPLACED AND THE LINE WAS RETURNED TO SERVICE AT 1:31 AM ON MARCH 29, 2019. THIS PIPELINE IS UNDER THE JURISDICTION OF THE TX RRC AS INTRASTATE (SYSTEM ID #730067). THIS LEAK WAS TELEPHONICALLY REPORTED TO THE TX RRC ON MARCH 27, 2019. A 48 HR. NRC UPDATE WAS MADE ON MARCH 29, 2019 AT 08:51 AM. INCIDENT REPORT #1241355 5/24/19 TO PREVENT REOCCURRENCE OF THIS ISSUE, ENERGY TRANSFER WILL CONTINUE TO ENSURE OUR RELIEF VALVES ARE BEING TESTED AND INSPECTED ANNUALLY BY OUR QUALIFIED INDIVIDUALS IN ACCORDANCE WITH OUR SOP.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: EQUIPMENT FAILURE — MALFUNCTION OF CONTROL/RELIEF EQUIPMENT.

PHMSA indexed costs: $20,000 reported total cost, $17,893.944 in 1984 dollars, $24,863.993 in current-year dollars.

PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.