DCP MIDSTREAM
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | DCP MIDSTREAM |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 29.33748, -96.67883 |
Cause
| Cause | EQUIPMENT 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
DCP WILCOX GAS PLANT OPERATOR ON-SHIFT WAS MAKING NORMAL MORNING ROUNDS WHEN HE NOTICED ICE ACCUMULATION ON A SMALL PSV VENT TO FLARE LINE AT THE METER STATION MEASURING PRODUCT TO THE WILBREEZE NGL LINE FROM THE GAS PLANT. OPERATOR NOTIFIED WILBREEZE NGL PIPELINE TECHNICIAN, WHO RESPONDED TO THE METER STATION. NGL TECH CONFIRMED PSV-5017 (1480 PSIG SETPOINT) WAS SLIGHTLY LEAKING BY TO THE VENT LINE TO FLARE. NGL TECH ISOLATED PSV-5017, AND MANUALLY MONITORED METER STATION UNTIL LIKE-IN-KIND PSV WAS DELIVERED AND INSTALLED LATER THAT MORNING. WILBREEZE NGL PIPELINE OPERATIONS SUPERVISOR THEN ACCESSED HISTORICAL SCADA DATA FOR THE WILBREEZE NGL LINE AND METER STATION, AND CONFIRMED THAT NO OVERPRESSURE EVENT HAD OCCURRED RECENTLY, ATTRIBUTING THE PSV-5017 LEAK TO FAULTY PSV. WILBREEZE NGL TECHNICIANS THEN PROACTIVELY WENT TO ALL OTHER METER STATIONS ON THE WILBREEZE NGL LINE TO MONITOR PSV'S FOR INDICATIONS OF OVERPRESSURE OR LEAKS. INDICATIONS OF OVERPRESSURE OR LEAKS WERE NOT FOUND AT THE OTHER METER STATIONS. ENGINEERING CALCULATIONS FOR THIS PSV LEAK RESULTED IN 5.07 BARRELS OF NGL RELEASED TO FLARE. NO NEW INFORMATION ADDED TO REPORT. FINALIZED 3/24/17.
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.