ONEOK WESTEX TRANSMISSION, LLC
gas_transmission Incident — — October 1, 2015
Incident Information
| Incident Date | October 1, 2015 |
| Operator | ONEOK WESTEX TRANSMISSION, LLC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 32.30500, -101.71020 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | EXTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $200,000 |
| Emergency Response | $1,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON OCTOBER 1, 2015, THE OPERATING PRESSURE ON PARALLEL LINES 800-000 AND 801-000 APPEARED TO THE CONTROL ROOM OPERATORS TO BE LOWER THAN EXPECTED. FIELD OPERATIONS PERSONNEL CONFIRMED GAS VENTING TO ATMOSPHERE ON LINE 800-000. THE PIPELINE IS IN A LOW WET AREA THAT HAS PREVENTED CLOSE EXAMINATION OF THE FAILURE BEYOND A SINGLE PHOTOGRAPH OF THE PIPE BEFORE BEING COVERED BY GROUND WATER. LINE 800-000 WILL REMAIN OUT OF SERVICE UNTIL A REPAIR METHOD HAS BEEN DETERMINED. LINE 801-000 WILL REMAIN IN SERVICE. SUPPLEMENTAL - THE FAILURE SITE BECAME ACCESSIBLE AND THE PIPELINE WAS REPAIRED BY INSTALLING A CYLINDER OF TESTED PIPE. EXTERNAL CORROSION WAS CONFIRMED TO BE 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.