ACADIAN GAS PIPELINE SYSTEM — Gas transmission and gathering — incident on 2012-09-28

Current as of 2012-09-28 Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

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Gas transmission and gathering incident in SHREVEPORT, RED RIVER County, LA. Reported cause: OTHER INCIDENT CAUSE. Reported consequences: 0 fatalities, 0 injuries, 0 NATURAL GAS released, $61,000 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: 20120107.

Operator ID: 3.

Reported incident date: 9/28/2012 6:50.

Cause detail: MISCELLANEOUS

Cause detail: PIPELINE CONTROL RECEIVED A CALL FROM A CENTERPOINT EMPLOYEE OF A POSSIBLE FIRE AT 6:12 AM 9/28/2012. OUR EMPLOYEE ARRIVED ONSITE AT 6:50 AM, AND CONFIRMED THAT THE COMPRESSORS STATION WAS ON FIRE. UNIT #302 HAD ALREADY BEEN SHUTDOWN AT 6:12 AM, THE RESULT OF A SMALL UNRELATED FIRE. COMPRESSOR OIL LEAKED INTO STATION BLOW DOWN PIPING, AS A RESULT OF THE ESD, THE STATION BLOW DOWN VALVES OPENED, WHICH SUBSEQUENTLY SENT GAS TO THE BLOW DOWN STACK. OIL THAT WAS INSIDE THE LINE PUSHED OUT THE TOP OF STACK, CAUSING A MIXTURE OF OIL AND GAS TO SPREAD UNDER COMPRESSOR ROOF LINE BACK TO UNIT #302 WHERE AT THAT TIME IT IGNITED CREATING A FLASH FIRE FROM UNDER ROOF BACK TO BLOW DOWN STACK AND ABOUT 75FT IN DIAMETER, 360 DEGREES AROUND STACK. THE COST OF REPAIR TO THE COMPRESSOR EXCEEDED 50,000 DOLLARS. AS A RESULT OF THIS INVESTIGATION, IT HAS BEEN SUGGESTED THE BLOWDOWN STACK BE RELOCATED. AN AFE IS CURRENTLY BEING BUILT FOR THIS PROJECT WITH AN ESTIMATED COMPLETION OF 1ST QUARTER 2013. A FINAL INVESTIGATION REPORT WILL BE FILED AT THAT TIME.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: ALL OTHER CAUSES — MISCELLANEOUS.

PHMSA indexed costs: $91,135 reported total cost, $48,196.635 in 1984 dollars, $118,038.66 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.

This material provides agency context. It does not replace binding regulatory text, and its legal effect depends on the underlying authority and facts.