LAVACA PIPELINE CO — Gas transmission and gathering — incident on 2015-05-22

Gas transmission and gathering incident in TX. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 350 NATURAL GAS released, $55,000 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: 20150081.

Operator ID: 11272.

Reported incident date: 5/22/2015 17:45.

Cause detail: INTERNAL CORROSION

Cause detail: SUPPLEMENTAL UPDATE: THE STEAMBOAT PASS SOUTH 8" LINE IS STILL SHUT DOWN. THE PIPELINE WILL REMAIN INACTIVE AND IS IN THE PROCESS OF BEING ABANDONED (WELLS PLUGGED, PIPE BLIND FLANGE AND CAPPED). THE ABANDONMENT IS PENDING DUE TO MULTIPLE AGENCY PERMITTING DELAYS. LAVACA PIPE LINE COMPANY LPL EXPERIENCED A LEAK IN THE STEAMBOAT PASS SOUTH 8" LINE LOCATED IN INTERCOASTAL WATERWAY AT MM 487 ON MAY 22, 2015. THE INCIDENT WAS CALLED IN TO THE CALHOUN COUNTY SHERIFF'S OFFICE AND IN RETURN THE COAST GUARD WAS CALLED. THE COAST GUARD NOTIFIED THE TEXAS GENERAL LAND OFFICE. TEXAS GENERAL LAND OFFICE NOTIFIED RICHARD GARCIA, POINT OF CONTACT FOR LPL, AT 18:30. PIPELINE PERSONNEL WERE DISPATCHED TO THE ISOLATION VALVES AT SOUTHPASS AND THE ISOLATION VALVE AT LPL'S LANE ROAD FACILITY. THE ISOLATION VALVE AT SOUTHPASS WAS CLOSED AT 19:30. THE ISOLATION VALVE AT LANE ROAD CLOSED AS SOON AS IT WAS RELAYED THAT THE SOUTHPASS VALVE WAS CLOSED. THE BLOW-DOWN VALVE WAS OPENED INTO BLOW-DOWN TANK TO RELEASE ANY PRESSURE, BUT PRESSURE WAS ALREADY DOWN TO 40 PSI. THE 40 PSI LEFT ON THE LINE WAS DEPLETED IN A MATTER OF MINUTES. AT THAT TIME, GLO WAS AT THE SCENE, AND IT WAS DETERMINED THAT THE COAST GUARD, TEXAS GENERAL LAND OFFICE, AND DAVID GASKAMP (SENIOR SUPERVISOR LPL) WOULD INVESTIGATE THE AREA OF THE LEAK ON SATURDAY MAY 23, 2015. ON MAY 23, 2015, THE INVESTIGATION CONCLUDED THAT THERE WAS NO DAMAGE TO THE ENVIRONMENT AND THAT NO GAS OR CONDENSATE WAS PRESENT. TEXAS GENERAL LAND OFFICE DETERMINED THAT IT WAS A NON-RECORDABLE INCIDENT, AND COAST GUARD CONCURRED. LPL IS REPORTING THE INCIDENT DUE TO THE FACTOR OF THE ESTIMATED PROPERTY DAMAGE OF $50,000 OR MORE IS CONSIDERED DUE TO THE PRICE OF THE REPAIRS THAT WILL BE NEEDED.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: CORROSION — INTERNAL.

PHMSA indexed costs: $56,813 reported total cost, $28,911.015 in 1984 dollars, $70,096.311 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.