ENTERPRISE PRODUCTS OPERATING LLC — Gas transmission and gathering — incident on 2014-10-29

Gas transmission and gathering incident in BOLING, WHARTON County, TX. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 4900 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: 20140124.

Operator ID: 31618.

Reported incident date: 10/29/2014 23:55.

Cause detail: COMPRESSOR OR COMPRESSOR-RELATED EQUIPMENT

Cause detail: ON 10/29/2014 AT 23:55, WILSON STORAGE COMPRESSOR UNIT# 897 WAS STARTED FOR DELIVERING NATURAL GAS INTO STORAGE. AN ENTERPRISE EMPLOYEE DISCOVERED THAT NATURAL GAS WAS VENTING FROM THE UNIT BLOWDOWN VALVE. OPERATIONS SHUTDOWN THE COMPRESSOR TO INVESTIGATE AND DETERMINE THE ROOT CAUSE BUT COULD NOT REPLICATE THE ISSUE AS THE VALVE WORKED PROPERLY EACH TIME AS DESIGNED. NO OPERATIONAL OR DESIGN ISSUES WERE DISCOVERED. OPERATIONS RESTARTED THE COMPRESSOR AT 03:00 AND IT RAN FOR 6 HOURS WITH NO ADDITIONAL ISSUES. OPERATIONS WILL CONTINUE TO MONITOR THIS UNIT.

PHMSA trend classification: not significant, not serious.

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

PHMSA indexed costs: $19,300 reported total cost, $13,351.138 in 1984 dollars, $16,393.17 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.