ONEOK WESTEX TRANSMISSION, LLC
gas_transmission Incident — — October 21, 2015
Incident Information
| Incident Date | October 21, 2015 |
| Operator | ONEOK WESTEX TRANSMISSION, LLC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 31.35589, -103.87945 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | EXTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $142,500 |
| Emergency Response | $1,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
AT 2:32 AM ON OCT 21, PIPELINE CONTROL OPERATORS NOTICED A PRESSURE DROP ON LINE 4001-000. THE CONTROL OPERATOR NOTIFIED FIELD OPERATIONS PERSONNEL. SEVERAL MAINLINE VALVES WERE CLOSED TO DETERMINE WHICH SECTION OF THE LINE MIGHT BE LEAKING. WHEN THE LEAKING SEGMENT WAS IDENTIFIED, FIELD OPERATIONS PERSONNEL BEGAN FOLLOWING THE PIPELINE TO DETERMINE THE LOCATION OF THE LEAK. AT 8:55 AM THE LOCATION OF THE LEAK WAS IDENTIFIED. APPROXIMATELY 100 FEET OF LINE HAD RUPTURED AND WAS PARTIALLY EJECTED FROM THE DITCH. AT THIS TIME EXTERNAL CORROSION IS THE SUSPECTED CAUSE BASED ON FIELD EXAMINATION ON OCT 21. THE FAILURE PIECES HAVE BEEN SENT TO A THIRD PARTY LAB FOR EXAMINATION. A SUPPLEMENTAL REPORT WILL BE FILED IF THE ROOT CAUSE IS DETERMINED TO BE SOMETHING OTHER THAN EXTERNAL CORROSION. SUPPLEMENTAL - THE LAB REPORT CONFIRMED EXTERNAL CORROSION AS THE CAUSE OF THE FAILURE.
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.