ENTERPRISE PRODUCTS OPERATING LLC — Gas transmission and gathering — incident on 2013-07-01

Gas transmission and gathering incident in OZONA, CROCKETT County, TX. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 6195 NATURAL GAS released, $8,861 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: 20130070.

Operator ID: 31618.

Reported incident date: 7/1/2013 16:45.

Cause detail: COMPRESSOR OR COMPRESSOR-RELATED EQUIPMENT

Cause detail: AT APPROXIMATELY 4:45 PM ON JULY 1,2013 ENTERPRISE GAS CONTROL BECAME AWARE OF AN ESD ALARM LOCATED AT ITS PECOS RIVER COMPRESSOR STATION SITE. GAS CONTROL DISPATCHED A PIPELINE TECHNICIAN TO INVESTIGATE THE SITUATION AND UPON ARRIVAL THE PIPELINE TECHNICIAN DISCOVERED GAS VENTING TO ATMOSPHERE THROUGH A FULLY OPENED 2" SUCTION HEADER BLOWDOWN VALVE AND A PARTIALLY OPENED 2" DISCHARGE HEADER BLOWDOWN VALVE. THIS VENTING OF GAS WAS ON THE COMPRESSOR UNIT AS INDICATED BY THE ESD ALARM. THE PIPELINE TECHNICIAN CLOSED SUCTION AND DISCHARGE VALVES IN ORDER TO STOP GAS FROM VENTING AT THE COMPRESSOR UNIT. THIS ACTION REMEDIED THE NATURAL GAS RELEASE. ADDITIONAL, ACTIONS AND TESTS WERE TAKEN TO ENSURE THAT SYSTEMS ASSOCIATED WITH THE COMPRESSOR UNIT(S) CONTINUE TO OPERATE AS INTENDED.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: EQUIPMENT FAILURE — PUMP/COMPRESSOR OR PUMP/COMPRESSOR-RELATED EQUIPMENT.

PHMSA indexed costs: $30,729 reported total cost, $22,283.749 in 1984 dollars, $33,020.616 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.