KINDER MORGAN KEYSTONE GAS STORAGE, LLC — Gas transmission and gathering — incident on 2016-11-27

Gas transmission and gathering incident in KERMIT, WINKLER County, TX. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 21040 NATURAL GAS released, $1,581 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: 20160094.

Operator ID: 31727.

Reported incident date: 11/27/2016 8:45.

Location detail: 0.00

Cause detail: MALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Cause detail: ON NOVEMBER 27, 2016 WHEN KINDER MORGAN KEYSTONE GAS STORAGE (KMKGS) PERSONNEL ARRIVED AT THE SITE FOR WORK, A CHECK OF THE GAS BALANCE BETWEEN GAS COMING INTO THE COMPRESSOR STATION AND GAS GOING INTO STORAGE REVEALED A 20 MMCF SHORTFALL GOING INTO STORAGE. IT WAS DETERMINED THAT A RELIEF VALVE BETWEEN STAGE 1 COMPRESSION AND STAGE 2 COMPRESSION ON UNIT 3C HAD FAILED, LEAKING GAS OUT THROUGH ITS VENT STACK. THE RELIEF VALVE WAS REPAIRED AND WAS ULTIMATELY PLACED BACK INTO SERVICE WITH UNIT 3C DECEMBER 2, 2016.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: EQUIPMENT FAILURE — MALFUNCTION OF CONTROL/RELIEF EQUIPMENT.

PHMSA indexed costs: $47,802 reported total cost, $49,997.655 in 1984 dollars, $62,360.875 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.