TEXAS GAS TRANSMISSION, LLC — Gas transmission and gathering — incident on 2015-05-27

Gas transmission and gathering incident in EUNICE, ACADIA County, LA. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 46 released, $23,000 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: 20150085.

Operator ID: 19270.

Reported incident date: 5/27/2015 12:30.

Location detail: 0

Cause detail: INTERNAL CORROSION

Cause detail: A 30"/26" DRIP BOTTLE FAILED DURING OPERATIONS TO ABANDON THE BOTTLE. DRIP BOTTLE RUPTURED. COMPLETE ROOT CAUSE DETERMINATION WILL BE SUBMITTED IN A FUTURE REPORT. 9-29-15 RUPTURE OF THE DRIP BOTTLE CAN BE ATTRIBUTED TO INTERNAL CORROSION. A SUBSEQUENT CAUSE OF THE RUPTURE CAN BE ATTRIBUTED TO THE STATION'S TYPICAL FLOW PATTERNS. THE INJUNCTION OF FLUID INTO THE DRIP BOTTLE AT HIGH VOLUMES AND/OR PRESSURES GENERATED PREFERENTIAL SITES FOR INTERNAL CORROSION AT THE BOTTOM OF THE DRIP BOTTLE UNDER THE 4" INLET. THE WALL BECAME THIN AND NO LONGER HAD THE STRENGTH TO CONTAIN THE PRESSURE IN THE BOTTLE.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: CORROSION — INTERNAL.

PHMSA indexed costs: $74,138 reported total cost, $37,251.303 in 1984 dollars, $91,580.486 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.