NORTHERN NATURAL GAS CO
gas_transmission Incident — — August 25, 2016
Incident Information
| Incident Date | August 25, 2016 |
| Operator | NORTHERN NATURAL GAS CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 38.87696, -98.03432 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | EXTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $50,000 |
| Emergency Response | $20,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON AUGUST 25, 2016 AT APPROXIMATELY 1310 HOURS THE OPERATIONS COMMUNICATION CENTER RECEIVED A CALL FROM THE LINCOLN COUNTY, KANSAS DISPATCH OF BLOWING GAS IN LINCOLN COUNTY, KANSAS. SCADA READINGS INDICATED A RAPID DECREASE IN PRESSURE ON THE KSM20601-M640A BUSHTON TO TESCOTT A-LINE. FIELD OPERATIONS CONFIRMED THE PIPELINE HAD FAILED APPROXIMATELY 200-YARDS NORTH OF INTERSTATE HIGHWAY 70. THE HIGHWAY WAS BLOCKED OFF BY EMERGENCY RESPONDERS. AT APPROXIMATELY 1543-HOURS THE MAINLINE BLOCK VALVES WERE CLOSED UPSTREAM AND DOWNSTREAM OF THE SITE AND THE PRESSURE DECREASED TO 0-PSIG. PHMSA ACCIDENT INVESTIGATORS FROM THE CENTRAL REGION AND SOUTHWEST REGION ARRIVED ON SITE BY 20:30 AND AT 13:00 ON AUGUST 26, 2016, RESPECTIVELY. INITIAL EXAMINATION SHOWED THE PIPELINE RUPTURED DUE TO ISOLATED GENERAL EXTERNAL CORROSION. THE FAILED PIECE WAS 9-FEET LONG WITH ABOUT 18 SQUARE FEET OF THINNER WALL PIPE. THE SURROUNDING PIPE APPEARS TO BE IN GOOD CONDITION. THE FAILED PIECES WERE SENT FOR LABORATORY EXAMINATION. **UPDATE** NORTHERN HAS BEEN PROVIDING QUARTERLY UPDATES TO THE SOUTHWEST REGION PHMSA THAT CONTAINS MORE INFORMATION."
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.