TEXAS GAS TRANSMISSION, LLC — Gas transmission and gathering — incident on 2017-11-09

Gas transmission and gathering incident in HAUGHTON, BOSSIER County, LA. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 3342 NATURAL GAS released, $0 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: 20170112.

Operator ID: 19270.

Reported incident date: 11/9/2017 13:53.

Location detail: 3+25.51

Cause detail: OTHER EQUIPMENT FAILURE

Cause detail: PRODUCER HAD ISSUES WITH PRESSURE CONTROL WHICH ALLOWED A SWING IN THE PRESSURE COMING INTO THE TEXAS GAS METER STATION; THIS CAUSED THE RELIEF VALVE TO OPERATE. THE RELIEF VALVE OPERATED PROPERTY AND PROTECTED THE TEXAS GAS EQUIPMENT FROM ANY OVER-PRESSURING EVENTS. THIS IS A RECEIPT POINT TO TEXAS GAS. THE SYSTEM UPSET WAS ON THE PRODUCER'S ASSETS. TEXAS GAS REPORTED THE INCIDENT BECAUSE IT WAS OUR RELIEF VALVE THAT VENTED THE GAS. THE RELIEF VALVE OPERATED AS DESIGNED. 12-4-17 CREATED SUPPLEMENTAL TO REVISE PER PHMSA INSTRUCTION.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: EQUIPMENT FAILURE — OTHER EQUIPMENT FAILURE.

PHMSA indexed costs: $9,457 reported total cost, $8,938.14 in 1984 dollars, $11,029.004 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.