ENTERPRISE PRODUCTS OPERATING LLC
hazardous_liquid Incident — — October 14, 2020
Incident Information
| Incident Date | October 14, 2020 |
| Operator | ENTERPRISE PRODUCTS OPERATING LLC |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 30.16474, -93.35138 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | THREADED CONNECTION/COUPLING FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $200 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
"AT 07:11 AM, HOUSTON CONTROL CENTER (HCC) RECEIVED A HAZARDOUS GAS ALARM AT THE SULPHUR PUMP STATION. HCC CONTACTED FIELD OPERATIONS WHO WERE IN THE AREA PERFORMING OTHER ACTIVITIES. AT 07:44 AM, ENTERPRISE FIELD PERSONNEL ARRIVED ON SITE AT THE SULPHUR NGL PUMP STATION AND FOUND A LEAK NEAR THE SULPHUR NGL PUMP. FIELD PERSONNEL CONTACTED HCC AND THE STATION WAS SHUT DOWN AT 07:46 AM. HCC THEN CLOSED THE VALVES UPSTREAM AND DOWNSTREAM OF THE STATION. STATE POLICE CLOSED HIGHWAY 1133 AS A PRE-CAUTION DUE TO POTENTIAL PRODUCT MIGRATION. THE HIGHWAY WAS REOPENED WHEN THE AREA WAS MADE SAFE AT 08:50 AM. AT APPROXIMATELY 09:15 AM, UPON DETERMINATION THE EVENT WAS CONSIDERED SIGNIFICANT DUE TO THE ROAD CLOSURE, ENTERPRISE NOTIFIED THE NRC. VISUAL EXAMINATION DETERMINED THERE WAS VIBRATION INDUCED BY PRODUCT FLOWING BACK THROUGH THE CHECK VALVE. THE VIBRATION CYCLING WAS RESOLVED BY FLUSHING AND GREASING THE VALVE, ALLOWING IT TO SEAL PROPERLY; ADDITIONALLY, THE FAILED TUBING WAS REPLACED. THE NRC 48 HOUR NOTIFICATION TOOK PLACE ON OCTOBER 15, 2020 AT 20:06 CENTRAL TIME, #1289911"
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.