NATURAL GAS PIPELINE CO OF AMERICA (KMI)

Incident Narrative

AT APPROXIMATELY 17:29 HOURS IN DEWEY COUNTY OKLAHOMA, THE NGPL 24-INCH MOUNTAIN VIEW TO MINEOLA LINE WAS STRUCK BY A THIRD PARTY CONTRACTOR, EMPLOYED BY A PRIVATE LANDOWNER. AN IN-SERVICE RUPTURE INSTANTANEOUSLY FOLLOWED THE PIPELINE STRIKE EVENT. A RESPONDING FIRE DEPARTMENT CREW ARRIVED ON SITE AND IMMEDIATELY CALLED NGPL GAS CONTROL TO REPORT THE UNDESIRED INCIDENT. WITH THE PIPELINE STRIKE AND SUBSEQUENT RUPTURE, THERE WAS NO FIRE, HOWEVER, THE EQUIPMENT OPERATOR WAS INJURED AND RECEIVED MEDICAL TREATMENT WITHOUT IN-PATIENT HOSPITALIZATION. NGPL CONDUCTED AN EMERGENCY RESPONSE LINE (ERL) IN ACCORDANCE WITH O&M PROCEDURE 159. DURING THE ERL CALL, THE UNDESIRABLE INCIDENT WAS DEEMED REPORTABLE AND A NATIONAL RESPONSE CENTER (NRC) CALL WAS COMPLETED. ADDITIONAL INCIDENT NOTIFICATIONS WERE ALSO MADE TO THE CHEMICAL SAFETY BOARD (CSB), THE OKLAHOMA CORPORATE COMMISSION (OCC), AND THE PHMSA ACCIDENT INVESTIGATION DIVISION (AID). NGPL UPDATED THE CSB REGARDING NO HOSPITALIZATION OF THE EQUIPMENT OPERATOR; THEREFORE, THE CSB REQUIRED NO FURTHER INFORMATION. NGPL INCIDENT INVESTIGATION COMMENCED AS WELL AS THE PIPELINE REPAIR PROCESS. THE SPECIMEN CONTAINING THE RUPTURE WAS SHIPPED TO A THIRD PARTY LABORATORY FOR FURTHER EXAMINATION. THE METALLURGICAL REPORT CONCLUDED THE PIPELINE STRIKE WAS RESPONSIBLE FOR THE PIPELINE RUPTURE. FURTHERMORE, THE OKLAHOMA CORPORATION COMMISSION (OCC) DETERMINED THE THIRD PARTY CONTRACTOR WAS RESPONSIBLE FOR THE EXCAVATION DAMAGE AND FAILED TO CREATE AN OKLAHOMA ONE CALL TICKET. REPAIRS WERE COMPLETED AND THE PIPELINE RETURNED TO SERVICE ON SEPTEMBER 20, 2021.