"ONEOK WESTEX TRANSMISSION, LLC"
gas_transmission Incident — — July 25, 2025
Incident Information
| Incident Date | July 25, 2025 |
| Operator | "ONEOK WESTEX TRANSMISSION, LLC" |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 32.21378, -102.27714 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $2,500 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
"AT 8:05 A.M., A FASKEN OPERATOR NOTIFIED ONEOK PIPELINE CONTROL CENTER OF A GAS RELEASE AT THE FASKEN METER SETTING. UPON RECEIVING THE REPORT, PCC CALLED THE LOCAL MEASUREMENT TECHNICIAN TO HEAD TO THE SITE. THE TECH ARRIVED ON SITE AT 9:25 A.M AND WITNESSED A PRV RELEASING GAS. THE TECH ISOLATED THE PRV AT 9:27 A.M. AFTER BEING ISOLATED, THE PRESSURE DATA WAS TRENDED, AND A PRESSURE CHANGE WAS NOTED TO HAVE OCCURRED AT 5:51 A.M. THE RELIEF FOR THE VALVE WAS REMOVED AND SENT OFF FOR ANALYSIS. AT THIS TIME THERE ARE NO PLANS TO REINSTALL A NEW RELIEF AS THIS IS A REDUNDANT FORM OF PRESSURE CONTROL FOR THIS SETTING. ONCE ANALYSIS RESULTS HAVE BEEN RECEIVED A SUPPLEMENTAL WILL BE SUBMITTED. SUPPLEMENTAL- FOLLOWING THE EVENT, OWT CONDUCTED A FAILURE ANALYSIS. THE ANALYSIS CONCLUDED THAT THE ROOT CAUSE OF THE FAILURE WAS THE INSTALLATION OF A PRV WITH A RELIEF TOLERANCE WITHIN THE NORMAL OPERATING RANGE OF THE PIPELINE SYSTEM. THIS ALLOWED THE PVR TO CONTINUE TO RELIEF WITHIN THE NORMAL DESIGN/OPERATING PRESSURE OF THE PIPELINE SYSTEM. AS A RESULT, THE PVR STEM AND SEATS WERE DAMAGED, NOT ALLOWING THE PVR TO RESEAT. THE PVR IS A REDUNDANT FORM OF PRESSURE CONTROL AND HAS BEEN ISOLATED FROM THE SYSTEM."
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.