GULF SOUTH PIPELINE COMPANY, LP — Gas transmission and gathering — incident on 2013-03-03

Gas transmission and gathering incident in RINGGOLD, BIENVILLE County, LA. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 23799 NATURAL GAS released, $180 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: 20130026.

Operator ID: 31728.

Reported incident date: 3/3/2013 0:37.

Location detail: 62.85

Cause detail: COMPRESSOR OR COMPRESSOR-RELATED EQUIPMENT

Cause detail: FAILED ELECTRICAL WIRING CONNECTION ON VALVE ACCUATOR CONTROLS CAUSED A COIL TO DROP OUT AND CAUSED STATION VALVE TO OPEN WHICH IS THE FAIL SAFE POSITION. THE NRC REPORT INDICATES THAT THE INCIDENT OCCURRED ON A TEXAS GAS TRANSMISSION ASSET; HOWEVER, IT ACTUALLY OCCURRED ON A GULF SOUTH ASSET. ORIGINAL SUBMISSION WAS THE FINAL SUBMISSION. UPDATED COORDINATES AS REQUESTED BY BASIN BACENTY WITH PHMSA. 2-28-14 CORRECTED GAS VOLUME RELEASED UNINTENTIONALLY FROM 23.79 MCF TO 23,799 MCF. 3-17-14

PHMSA trend classification: significant incident, not serious.

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

PHMSA indexed costs: $82,287 reported total cost, $66,552.662 in 1984 dollars, $81,831.526 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.