ENERGY TRANSFER COMPANY — Gas transmission and gathering — incident on 2014-11-01

Gas transmission and gathering incident in CLEBURNE, JOHNSON County, TX. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 12231 NATURAL GAS released, $750 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: 20140125.

Operator ID: 32099.

Reported incident date: 11/1/2014 10:01.

Location detail: 0+00

Cause detail: MALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Cause detail: ON NOVEMBER 1, 2014, AT APPROXIMATELY 5:14 AM, ENERGY TRANSFER COMPANY EXPERIENCED AN EQUIPMENT FAILURE AT THE CLEBURNE COMPRESSOR STATION ON THE HEADER #2 IN JOHNSON COUNTY NEAR CLEBURNE, TEXAS. THE COMPRESSOR STATION IS PART OF AN INTRASTATE NATURAL GAS PIPELINE LOCATED IN A RURAL AREA (CLASS 1) UNDER THE JURISDICTION OF THE TEXAS RAILROAD COMMISSION. THE INCIDENT WAS REPORTED TO THE TEXAS RAILROAD COMMISSION AND ALSO TO THE NRC UNDER ID# 1099919. THERE WERE NO FATALITIES, INJURIES, EVACUATIONS, ROAD CLOSURES, EXPLOSIONS, FIRE, MEDIA INTEREST, SPILLS OR ANY RESPONSE BY AN EMERGENCY OFFICIAL. THE NEAREST STRUCTURE INTENDED FOR HUMAN OCCUPANCY IS 150 YARDS NORTH AND THE NEAREST PUBLIC ROAD IS WEST HWY 67 LOCATED 0.5 MILES NORTH OF THE INCIDENT SITE. AT 5:14 AM ETC GAS CONTROL RECEIVED NOTIFICATION FROM AN AREA LAND OWNER THAT THE LAND OWNER COULD HEAR A "ROARING" NOISE AT THE CLEBURNE COMPRESSOR STATION. THE ON-CALL ETC TECHNICIAN WAS NOTIFIED IMMEDIATELY THAT THE DISCHARGE PRESSURE HAD FALLEN SUDDENLY AT THE STATION. UPON ARRIVAL, THE ETC TECHNICIAN FOUND A CONTROL VALVE HAD FAILED FULLY OPEN AND WAS RELEASING GAS FROM STATION HEADER #2. ETC TECHNICIAN CLOSED THE VALVE MANUALLY AT 6:03 AM. ETC TECHNICIAN FOUND THE SOLENOID FOR THE CONTROL VALVE HAD FAILED. THE SOLENOID WAS REPLACED AND IN SERVICE AT 11:30 AM. THE FAILED CONTROL VALVE RELEASED 12,231 MCF OF NATURAL GAS. THE CALCULATIONS WERE CONFIRMED AT 10:01 AM AND THE EVENT WAS DETERMINED TO BE A REPORTABLE INCIDENT.

PHMSA trend classification: not significant, not serious.

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

PHMSA indexed costs: $49,062 reported total cost, $33,801.299 in 1984 dollars, $41,972.798 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.