TEXAS EASTERN TRANSMISSION LP (SPECTRA ENERGY CORP) — Gas transmission and gathering — incident on 2014-09-22

Gas transmission and gathering incident in WESTPORT, DECATUR County, IN. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 6200 NATURAL GAS released, $1,000 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: 20140109.

Operator ID: 19235.

Reported incident date: 9/22/2014 19:00.

Location detail: 707.40

Cause detail: MALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Cause detail: THE RELIEF VALVE OPENED AT 125 PSIG (BELOW ITS SET PRESSURE OF 180 PSIG) AT THE TEXAS EASTERN M&R 70940 NEAR WESTPORT, INDIANA AT 7PM ON SEPTEMBER 22, 2014. DUE TO LOW FLOW AT THE METER STATION, GAS CONTROL SCADA DID NOT DETECT THE GAS RELEASE AND THE EVENT WAS REPORTED BY THE PUBLIC TO SPECTRA ENERGY CONTROL ROOM AT 9AM SEPTEMBER 23, 2014. THE RELIEF WAS SHUT IN BY SPECTRA ENERGY PERSONNEL AT 10AM. THE CAUSE OF THE INCIDENT WAS AN O-RING FAILURE. THE RELIEF VALVE WAS REPAIRED AND RETURNED TO SEVICE AT 2PM.

PHMSA trend classification: not significant, not serious.

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

PHMSA indexed costs: $22,700 reported total cost, $15,518.802 in 1984 dollars, $19,681.313 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.