"ONEOK GAS TRANSPORTATION, LLC"

gas_transmission Incident — — September 3, 2014

Incident Information

Incident DateSeptember 3, 2014
Operator"ONEOK GAS TRANSPORTATION, LLC"
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates36.23270, -95.75790

Cause

CauseMATERIAL FAILURE OF PIPE OR WELD
Subcause"DESIGN-, CONSTRUCTION-, INSTALLATION-, OR FABRICATION-RELATED"

Casualties

Fatalities0
Injuries0

Costs

Property Damage$60,800
Emergency Response$40,000
Other Costs$0

Location Map

Incident Narrative

"ON WEDNESDAY, SEPTEMBER 3, 2014, A ONEOK GAS TRANSPORTATION (OGT) CUSTOMER REPORTED VENTING GAS FROM A VALVE EXTENSION CAN ON OGT'S 24-INCH, LINE A-1170 MAINLINE AT THE MAIN ENTRANCE TO THE PORT OF CATOOSA NEAR CATOOSA, OKLAHOMA. THE ENTRANCE TO THE PORT WAS CLOSED TO TRAFFIC BY PORT AUTHORITIES AS A PRECAUTIONARY MEASURE. THE PIPELINE PRESSURE WAS REDUCED FROM 430 PSIG TO 300 PSIG UNTIL CUSTOMERS COULD SAFELY SHUT DOWN THEIR PROCESSES, AND THE PIPELINE WAS THEN BLOWN DOWN. THERE WERE NO INJURIES OR DEATHS, NOR WAS THERE ANY FIRE ASSOCIATED WITH THIS INCIDENT. THERE WAS SOME LOCAL MEDIA COVERAGE. THE LEAK WAS DETERMINED TO BE A CRACK LOCATED ON AN 8-INCH SADDLE FOR A SIDE TAP OFF THE A-1170 MAINLINE. THE LEAK WAS REPAIRED BY INSTALLING A NEW BRANCH CONNECTION. REPAIRS WERE COMPLETED SATURDAY, SEPTEMBER 6, 2014, AND THE MAINLINE WAS RETURNED TO SERVICE SATURDAY EVENING."

About This Pipeline Incident

Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.

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