ENTERPRISE PRODUCTS OPERATING LLC — Gas transmission and gathering — incident on 2009-08-04

Gas transmission and gathering incident. Reported cause: 23. Reported consequences: 0 fatalities, 0 injuries, $7,061 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: 20090097.

Operator ID: 31618.

Reported incident date: 8/4/2009.

Cause detail: INCORRECT OPERATION

Cause detail: AN EXPLOSION AND FIRE OCCURRED ON HIGH ISLAND BLOCK 264 PLATFORM B (HI 264B) IN AND AROUND THE COMPRESSOR BUILDING. ACCORDING TO THE RECENTLY RECEIVED BAKERRISK REPORT, THE CAUSE OF THE INCIDENT IS AS FOLLOWS: A) THE MOST PROBABLE SCENARIO SUGGESTS THE INITIAL FIRE RESULTED FROM A GAS RELEASE WHILE ATTEMPTING TO START THE NO. 2 TURBINE/COMPRESSOR SET. B) THE NO. 2 COMPRESSOR OUTBOARD CASE DRAIN WAS LEFT OPEN DURING STARTUP AND EVENTUAL LOADING OF THE COMPRESSOR. REPLACEMENT COST FOR THE COMPRESSOR PLATFORM AND EQUIPMENT IS ESTIMATED TO BE IN THE RANGE OF $35 - $70 MILLION, HOWEVER ENTERPRISE HAS ELECTED TO NOT REPAIR OR REPLACE AT THIS TIME.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: INCORRECT OPERATION — OTHER INCORRECT OPERATION.

PHMSA indexed costs: $7,061 reported total cost, $4,304.159 in 1984 dollars, $5,284.853 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.