GULFSTREAM MANAGEMENT & OPERATING SERVICES,LLC — Gas transmission and gathering — incident on 2017-12-16

Current as of 2017-12-16 Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

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Gas transmission and gathering incident in PASCAGOULA, JACKSON County, MS. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 4080 NATURAL GAS released, $40,902 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: 20180010.

Operator ID: 31565.

Reported incident date: 12/16/2017 10:45.

Location detail: 60-1 VALVE

Cause detail: EXTERNAL CORROSION

Cause detail: 12/16/2017 WILLIAMS RECEIVED A CALL FROM CHEVRON'S REFINERY IN PASCAGOULA, MS THAT ONE OF OUR VALVES AT METER STATION 55 APPEARS TO HAVE A GAS LEAK. WILLIAMS LOCAL OPERATIONS DEPLOYED PERSONNEL TO INVESTIGATE AND MADE INTERNAL NOTIFICATIONS. PERSONNEL ON SIGHT CONFIRMED THE RUPTURE TO BE A VALVE BODY BLEED LINE THAT IS COMPROMISED (ABOUT A 3/4" DIAMETER LINE). OPERATIONS PROCEEDED TO BLOW DOWN THE ROUGHLY 26 MILE SECTION OF 36" PIPE IN ORDER TO REPAIR THE PROBLEM. BLOW DOWN OCCURRED NEAR THE COAST IN A REMOTE AREA. 12/19/2017 WILLIAMS ENVIRONMENTAL PERSONNEL COMPLETED THEIR ESTIMATIONS FOR THE GAS LOST UNINTENTIONALLY, THAT FIGURE EXCEEDED THE THRESHOLD FOR DOT REPORTABLE INCIDENT AND NOTIFICATION TO THE NRC WAS MADE BY WILLIAMS SOC. 12/23/2017 NEW BODY BLEED LINES WERE TESTED AND INSTALLED. FACILITY WAS RETURNED TO SERVICE. 1/12/2018 PHMSA REPORT SUBMITTED TO PORTAL. WE ARE STILL WAITING ON OVERALL COSTS ASSOCIATED WITH THIS INCIDENT AND WILL FILE SUPPLEMENTAL REPORT ASAP. COSTS UPDATED.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: CORROSION — EXTERNAL.

PHMSA indexed costs: $200,702 reported total cost, $168,133.274 in 1984 dollars, $235,839.255 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.

This material provides agency context. It does not replace binding regulatory text, and its legal effect depends on the underlying authority and facts.