# TENNESSEE GAS PIPELINE COMPANY — Gas transmission and gathering — incident on 2017-07-16

- **operation:** document
- **citation:** PHMSA Report 20170062
- **title:** TENNESSEE GAS PIPELINE COMPANY — Gas transmission and gathering — incident on 2017-07-16
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2017-07-25
- **effective on:** 2017-07-16
- **summary:** Gas transmission and gathering incident in Not Within a Municipality, VICTORIA County, TX. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 14992 NATURAL GAS released, $2,500 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. PHMSA trend classification: not significant, not serious.
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**body:**

Gas transmission and gathering incident in Not Within a Municipality, VICTORIA County, TX. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 14992 NATURAL GAS released, $2,500 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: 20170062.

Operator ID: 19160.

Reported incident date: 7/16/2017 13:20.

Location detail: MILEPOST 13

Cause detail: MALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Cause detail: NRC REPORT 1184248; 13:50; 07/16/2017; NRC UPDATE REPORT 1184422; 10:58; 07/18/2017; ON 07/16/2017; STATION 9 SHUTDOWN ON A HIGH LIQUID LEVEL ALARM; WHILE STATION OPERATOR WAS INVESTIGATING, BEFORE SYSTEM COULD BE BLOWN DOWN, A COMPRESSOR VALVE CAP LEAKED; NATURAL GAS WAS DETECTED BY GAS DETECTION SYSTEM; AS DESIGNED, AN ESD OCCURRED; STATION OPERATOR HEARD THE ESD IN PROGRESS; THE ACTUATOR OF A 24-INCH SUCTION SIDE VALVE FAILED TO CLOSE SAID VALVE; STATION OPERATOR MANUALLY CLOSED VALVE; 14,992 MCF OF NATURAL GAS WAS RELEASED TO ATMOSPHERE; STATION WAS IMMEDIATELY TAKEN OFF LINE; NECESSARY REPAIRS WERE MADE; STATION 9 RETURNED TO SERVICE ON 07/17/2017; APPROXIMATELY 18:30 HOURS; PIR OF THE 24-INCH YARD PIPING CONTAINING SAID VALVE IS 454 FEET;

PHMSA trend classification: not significant, not serious.

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

PHMSA indexed costs: $51,575 reported total cost, $47,658.452 in 1984 dollars, $60,237.635 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.
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