TRANSWESTERN PIPELINE COMPANY LLC — Gas transmission and gathering — incident on 2018-04-24

Gas transmission and gathering incident in JAL, LEA County, NM. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 13090 NATURAL GAS released, $300,028 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: 20180055.

Operator ID: 19610.

Reported incident date: 4/24/2018 13:47.

Location detail: 554+78

Cause detail: EXCAVATION DAMAGE BY THIRD PARTY

Cause detail: NOTIFICATION ISSUE

Cause detail: NO NOTIFICATION MADE TO THE ONE-CALL CENTER/811

Cause detail: ON 4/24/18, A CALL WAS RECEIVED FROM A THIRD PARTY CONTRACTOR THAT HAD STRUCK AND DAMAGED THE TRANSWESTERN 30" WEST TEXAS LATERAL LOOP PIPELINE. THE LINE SEGMENT WAS ISOLATED AND BLOWN DOWN. ON 4/25, THE CONTRACTOR WAS MOBILIZED FOR REPAIRS. ON 4/26, THE PERMANENT PIPE REPLACEMENT REPAIRS WERE COMPLETED AND THE PIPELINE WAS RETURNED TO SERVICE. THE INITIAL NRC TELEPHONIC NOTIFICATION WAS MADE ON 4/24 - NRC#1210226, AND THE PHMSA AID WAS NOTIFIED. THE 48 HOUR NRC NOTIFICATION WAS MADE ON 4/26 - NRC #1210409, AND THE PHMSA AID WAS NOTIFIED THAT THE LINE WAS RETURNED TO SERVICE.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: EXCAVATION DAMAGE — THIRD PARTY EXCAVATION DAMAGE.

PHMSA indexed costs: $376,048 reported total cost, $214,308.048 in 1984 dollars, $440,115.721 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.