ROSE ROCK MIDSTREAM OPERATING, LLC
hazardous_liquid Incident — — June 4, 2021
Incident Information
| Incident Date | June 4, 2021 |
| Operator | ROSE ROCK MIDSTREAM OPERATING, LLC |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 35.92721, -96.76028 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | NON-THREADED CONNECTION FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $3,000 |
| Emergency Response | $2,500 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON 6/4/21 AT 10:39AM WHILE RUNNING A DELIVERY TO ANOTHER OPERATOR A LEAK WAS DISCOVERED BELOW THE STATIONARY PROVER DOOR. FIELD PERSONNEL CALLED THE CONTROL CENTER AND THE LINE WAS SHUT DOWN AND THE PROVER WAS ISOLATED. APPROXIMATELY 20 GALLONS OF CRUDE HAD LEAKED FROM THE DOOR. IT WAS DETERMINED THAT THERMAL RELIEF VALVES FAILED TO OPEN AS DESIGNED RESULTING IN OVERPRESSURE OF THE PROVER DOOR AND THE O-RING SEAL. A CLEAN UP COMPANY WAS CALLED, AND THE CONTAMINATED SOIL WAS REMOVED FOR REMEDIATION. ADDITIONAL INVESTIGATION IS UNDERWAY TO DETERMINE THE CAUSE OF THE THERMAL RELIEF VALVE FAILURE. 7/22/21 THE INVESTIGATION DETERMINED THAT THE THERMAL RELIEF VALVE INSTALLED DURING CONSTRUCTION ON THE PROVER WAS NOT A GOOD FIT FOR THE APPLICATION AND WAS REPLACED WITH A DIFFERENT BRAND. THE VALVES AT COUNTY RD E750 WERE REPLACED WITH A SINGLE NEW VALVE WITH A THERMAL RELIEF CASCADING SYSTEM TO THE VALVE ON THE PROVER. SUPPLEMENTAL REPORT: CHANGED COUNTY FROM PAYNE COUNTY TO LINCOLN COUNTY, OK
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.