ONEOK GAS TRANSPORTATION, LLC — Gas transmission and gathering — incident on 2016-08-17

Gas transmission and gathering incident in Not Within a Municipality, GARVIN County, OK. Reported cause: OTHER OUTSIDE FORCE DAMAGE. Reported consequences: 0 fatalities, 1 injuries, 10611 NATURAL GAS released, $26,611 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: 20160074.

Operator ID: 31286.

Reported incident date: 8/17/2016 9:25.

Location detail: 22.55

Cause detail: DAMAGE BY CAR, TRUCK, OR OTHER MOTORIZED VEHICLE/EQUIPMENT NOT ENGAGED IN EXCAVATION

Cause detail: AT 09:25 ON 08/17/2016, ONEOK GAS TRANSPORTATION, L.L.C. PIPELINE A-500 RUPTURED AT M.P. 22.55 WHEN STRUCK BY CONTRACTOR OPERATED RIGHT OF WAY CLEARING EQUIPMENT. THE CLEARING EQUIPMENT TIPPED INTO A DRY WASH AND STRUCK THE PIPELINE WHERE IT WAS EXPOSED IN THE BOTTOM OF THE WASH. THE PIPELINE WAS ISOLATED BY 10:23 AND WAS BLOWN DOWN FOR INSPECTION AND REPAIRS. REPAIRS WERE COMPLETED AND THE LINE RETURNED TO SERVICE AT 18:30 ON 08/18/2016.THE CONTRACT EMPLOYEE WHO WAS OPERATING THE RIGHT OF WAY CLEARING EQUIPMENT WAS TRANSPORTED TO A HOSPITAL AND DIAGNOSED WITH SOME BROKEN BONES, ABRASIONS, AND CONTUSIONS. THE INJURIES REQUIRED HOSPITALIZATION.

PHMSA trend classification: significant incident, serious incident.

PHMSA standardized cause: OTHER OUTSIDE FORCE DAMAGE — VEHICLE NOT ENGAGED IN EXCAVATION.

PHMSA indexed costs: $57,063 reported total cost, $44,244.217 in 1984 dollars, $72,210.662 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.