NATURAL GAS PIPELINE CO OF AMERICA (KMI) — Gas transmission and gathering — incident on 2015-04-13

Gas transmission and gathering incident in Not Within a Municipality, HUTCHINSON County, TX. Reported cause: MATERIAL FAILURE OF PIPE OR WELD. Reported consequences: 0 fatalities, 0 injuries, 108000 NATURAL GAS released, $162,000 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: 20150063.

Operator ID: 13120.

Reported incident date: 4/13/2015 10:58.

Location detail: 519+89

Cause detail: ENVIRONMENTAL CRACKING-RELATED

Cause detail: ON APRIL 13, 2015, NATURAL GAS PIPELINE (NGPL) COMPANY OF AMERICA INCURRED A FAILURE OF ITS 30" AMARILLO #4 PIPELINE ABOUT 7 MILES WEST OF STINNETTE, TX. THE FAILURE RESULTED IN A RELEASE OF NATURAL GAS THAT IGNITED AND BURNED ABOUT A 200' RADIUS OF A CULTIVATED WHEAT FIELD. THERE WERE NO INJURIES NOR FATALITIES BUT ONE PERSON IN A HOME ABOUT 3/4 MILE AWAY SELF-EVACUATED. UPSTREAM AND DOWNSTREAM VALVES WERE CLOSED TO ISOLATE THE INCIDENT AND LET THE FIRE BURN OUT. METALLURGICAL ANALYSIS WAS COMPLETED WITH A FINAL REPORT SUBMITTED TO THE PHMSA SOUTHWEST REGION OFFICE ON JUNE 1, 2015. THE ANALYSIS REVEALED THE CAUSE OF THE INCIDENT TO BE STRESS CORROSION CRACKING. THE PIPELINE WAS SPIKE STRENGTH TESTED, NECESSARY REPAIRS MADE, AND PLACED BACK INTO NATURAL GAS SERVICE, ALL PURSUANT TO THE PHMSA CORRECTIVE ACTION ORDER CPF NO. 4-2015-1006H.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: MATERIAL FAILURE OF PIPE OR WELD — ENVIRONMENTAL CRACKING-RELATED.

PHMSA indexed costs: $455,000 reported total cost, $345,288.291 in 1984 dollars, $535,468.034 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.