MOJAVE PIPELINE OPERATING COMPANY
gas_transmission Incident — — December 24, 2015
Incident Information
| Incident Date | December 24, 2015 |
| Operator | MOJAVE PIPELINE OPERATING COMPANY |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 34.85139, -116.85036 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | COMPRESSOR OR COMPRESSOR-RELATED EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $3,129 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON 12/24/15 AT 6:30 PM PST, THE DAGGETT FIRE DEPARTMENT NOTIFIED MOJAVE KM PERSONNEL OF AN ODOR COMPLAINT COMING FROM THE DAGGETT COMPRESSOR STATION. AT 6:39 PM: A TECHNICIAN WAS DISPATCHED TO INVESTIGATE THE COMPLAINT. AT 8:08 PM: THE TECHNICIAN ARRIVED ON SITE AND AFTER INSPECTING THE SITE HE DISCOVERED THAT THE UNIT VENT VALVE WAS OPEN AND VENTING GAS. AT 8:42 PM: THE TECH MANUALLY ISOLATED THE LEAK BY CLOSING THE LOADING VALVE. AT 10:12 PM: THE NRC WAS NOTIFIED OF THE RELEASE BY KM CODES AND STANDARDS PERSONNEL. AN INTERNAL INVESTIGATION WAS PERFORMED AND IT WAS DETERMINED THAT THE ROOT CAUSE FOR THIS INCIDENT INVOLVED A FAULTY LIMIT SWITCH THAT RESULTED IN A SUCTION VALVE NOT CLOSING PROPERLY. MOJAVE PERSONNEL WERE ATTEMPTING TO START THIS UNIT AT DAGGETT STATION AS A PART OF THEIR ANNUAL MAINTENANCE ON DECEMBER 22, 2015. DAGGETT STATION WAS OFFLINE AT THE TIME OF THE INCIDENT. THE LIMIT SWITCH WAS REPLACED AND FREQUENCY OF INSPECTIONS/MAINTENANCE ON LIMIT SWITCHES AND VALVES HAVE BEEN INCREASED.
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.