PANHANDLE EASTERN PIPELINE CO — Gas transmission and gathering — incident on 2015-03-31

Gas transmission and gathering incident in LAMONTE, PETTIS County, MO. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 12100 NATURAL GAS released, $0 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: 20150059.

Operator ID: 15105.

Reported incident date: 3/31/2015 3:52.

Location detail: HOUSTONIA

Cause detail: MALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Cause detail: GAS CONTROL RECEIVED A CALL AT 3:52 (CST) FROM PETTIS COUNTY OF A NOISE AT THE HOUSTONIA STATION. ON-CALL WAS NOTIFIED AND WENT TO THE STATION. WHEN THEY ARRIVED, THEY FOUND THE UNIT RELIEF VALVE ON E0812 WAS BLOWING AND THE UNIT RELIEF ON E0811 WAS OPENING INTERMITTENTLY. PRESSURE WAS CHECKED AT THE SITE AND DETERMINED TO BE 870 PSIG, 30 PSIG BELOW MAOP. THE OPERATOR ADJUSTED THE RELIEF ON E0812 UNTIL IT STOPPED BLOWING. HE ATTEMPTED TO ADJUST THE RELIEF ON E0811, BUT HE HAD TO SHUTDOWN THE UNIT TO WORK ON THE DEVICE. BASED ON THE SCADA TRACKED PRESSURE, NEITHER MAOP NOR OPP WERE EXCEEDED. THIS SUPPLEMENTAL REPORT IS TO ACKNOWLEDGE THERE ARE NO FURTHER UPDATES AND IS BEING SUBMITTED AS A FINAL.

PHMSA trend classification: not significant, not serious.

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

PHMSA indexed costs: $46,332 reported total cost, $42,868.501 in 1984 dollars, $52,769.815 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.