ONEOK GAS TRANSPORTATION, LLC — Gas transmission and gathering — incident on 2019-02-22

Gas transmission and gathering incident in WELLSTON, LINCOLN County, OK. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 491 NATURAL GAS released, $50,000 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: 20190045.

Operator ID: 31286.

Reported incident date: 2/22/2019 15:00.

Location detail: A-26

Cause detail: EXCAVATION DAMAGE BY OPERATOR'S CONTRACTOR (SECOND PARTY)

Cause detail: EXCAVATION ISSUE

Cause detail: EXCAVATOR FAILED TO PROTECT/SHORE/SUPPORT FACILITIES

Cause detail: EXCAVATOR WORKING FOR OPERATOR FAILED TO PROTECT THE PIPE FROM EXCAVATION DAMAGE. DIRT SLOUGHED OFF BANK STRIKING A 1-INCH DRIP LINE AND BROKE A 1-INCH NIPPLE JUST ABOVE THE VALVE.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: EXCAVATION DAMAGE — OPERATOR/CONTRACTOR EXCAVATION DAMAGE.

PHMSA indexed costs: $61,188 reported total cost, $29,344.811 in 1984 dollars, $70,746.337 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.