ENTERPRISE PRODUCTS OPERATING LLC — Hazardous liquid — incident on 2011-06-11

Hazardous liquid incident in SEMINOLE, GAINES County, TX. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 1 HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBIENT CONDITIONS released, $1 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: 20110182.

Operator ID: 31618.

Reported incident date: 6/11/2011 1:10.

Location detail: 0+00

Cause detail: PUMP OR PUMP-RELATED EQUIPMENT

Cause detail: PUMP SEAL FAILURE ON PUMP #3. OPERATIONS ATTEMPTED TO ISOLATE THE UNIT TO STOP THE RELEASE. SUCTION AND DISCHARGE VALVES WOULD NOT SEAT COMPLETELY. LINES WERE TIED INTO THE SEAL SYSTEM TO ROUTE ANY LEAKING PRODUCT (Y-GRADE) TO THE FLARE. THIS WAS A SEAL FAILURE ON THE INBOARD MECHANICAL SEAL OF THE PUMP. TECHS NOT ABLE TO CLEAR PUMP TO 0% LEL OF PRODUCT DUE TO VALVES NOT COMPLETELY SEALING. LEFT 4 PRODUCT HOSES TO PUMP & HEADERS PIPED TO THE FLARE/BLOWDOWN SYSTEM TO PREVENT WEATHERING PRODUCT INTO ATMOSPHERE. INFORMATION WILL BE FILED WITH THE TEXAS RAILROAD COMMISSION UNDER REPORT# 668 3/19/2013 UPDATED PART E5.F - NEAL BURRELL

PHMSA trend classification: not significant, not serious.

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

PHMSA indexed costs: $43 reported total cost, $23.063 in 1984 dollars, $56.798 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.