ONEOK NGL PIPELINE, LLC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | ONEOK NGL PIPELINE, LLC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 32.43201, -100.43991 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
LOCATION WAS IDENTIFIED AS EXTERNAL CORROSION IN ILI PRELIMINARY REPORT RECEIVED ON 12/16/2015. THE ANOMALY WAS NOT LOCATED WITHIN AN HCA AND DID NOT MEET THE 80% THRESHOLD FOR AN IMMEDIATE DIG. DURING EXCAVATION FIELD CREWS BEGAN TO SMELL HYDROCARBONS AS PIPE WAS EXPOSED. UPON THE CLEANING OF THE SURFACE OF THE PIPE AN AREA WAS IDENTIFIED TO BE SEEPING HYDROCARBONS AND A MECHANICAL CLAMP WAS IMMEDIATELY INSTALLED STOPPING THE RELEASE. 6/27/2016 - ONEOK DECIDED TO REMOVE THE SECTION OF PIPE WHERE THE LEAK OCCURRED ALONG WITH OTHER SECTIONS OF PIPE THAT WERE IN THE SAME SEGMENT THAT CONTAINED ANOMALIES IDENTIFIED BY THE ILI REPORT. IN ORDER TO REMOVE THE RELEASE AND THE ADDITIONAL ANOMALIES THE PIPELINE SEGMENT WAS PURGED OF PRODUCT WITH NITROGEN. THE COSTS ASSOCIATED WITH PURGING THE PIPELINE WITH NITROGEN EXCEEDED $50,000, WHICH REQUIRED A NRC REPORT. THE PIPELINE WAS SHUTDOWN, HYDROCARBONS EVACUATED AND THE SECTION CONTAINING THE DEFECT WAS REMOVED AND REPLACED WITH NEW PRETESTED PIPE. 8/31/2017 -- UPDATED GPS LOCATION OF RELEASE. ONEOK AUDIT DISCOVERED GPS COORDINATES OF INITIAL REPORT TO BE IN ERROR. CORRECT COORDINATES OF RELEASE 32.43201, -100.43991 NJ 9/12/2017 -- CORRECTED NOTIFICATION TIME AND NOMINAL PIPE SIZE. NJ
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.