Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2015-08-15 — TX
Operator
Enbridge Energy, Limited Partnership
Cause
Equipment Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$12,046
Incident datetime
2015-08-15 10:23
Report number
Location
TX
Narrative
On august 15, 2015 at approximately 10:23 am, an enbridge contractor reported approximately 30 gallons of crude oil in the area of the small diameter piping of valve 222-sv-15 near tank 15 in the superior terminal. The edmonton control center was contacted and tank 15 was isolated. A pipeline maintenance crew was dispatched to determine the source of the leak. It was discovered that the nipple on the lower body block and bleed was cracked at the point it enters into the valve body. The nipple was removed and a plug was installed later that afternoon and the line turned back over to the control center. The internal incident investigation discovered that the threads were cracked at the time of installation due to applying uneven force while threading the nipple into the valve body. The lower body block and bleed assembly will be replaced by year end. Approximately 130 cubic yards of contaminated soil was hauled to an approved disposal site.
Detailed record list
Report Received Date
2015-09-14 00:00:00
Iyear
2015
Report Number
20150327
Supplemental Number
20739
Report Type
Original Final
Operator Id
11169
Name
Enbridge Energy, Limited Partnership
Operator Street Address
915 N Eldridge Parkway, Suite 1100
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77079
Local Datetime
2015-08-15 10:23:00
Location Latitude
46.6869
Location Longitude
-92.0645
Commodity Released Type
Crude Oil
Unintentional Release Bbls
0.71
Recovered Bbls
0.71
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Contractor Working For The Operator
Incident Identified Datetime
2015-08-15 10:23:00
System Part Involved
Onshore Terminal/tank Farm Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
Tank Was Isolated To Perform Cleanup And Repairs
On Site Datetime
2015-08-15 10:23:00
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Superior Terminal Tank 15
Segment Name
222-V-Sv15
Onshore State Abbreviation
Wi
Onshore Postal Code
54880
Onshore City Name
Superior
Onshore County Name
Douglas
Designated Location
Milepost/valve Station
Designated Name
Superior Term
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
216
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Valve
Valve Type
Auxiliary Or Other Valve
Installation Year
2010
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Connection Failure
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
Yes
High Pop Ind
Yes
High Pop Yes No
Yes
Other Pop Ind
Yes
Other Pop Yes No
Yes
Usa Drinking Ind
Yes
Usa Drinking Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
31
Est Cost Prop Damage
12046
Est Cost Emergency
810
Est Cost Environmental
15250
Est Cost Other
0
Prpty
28137
Accident Psig
15
Mop Psig
275
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Pipeline Function
> 20% Smys Regulated Transmission
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Cpm In Place Ind
No
Investigation Status
No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate)
Investigation Status Details
Field identified during hydrovac excavations
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Threaded Connection/coupling Failure
Eq Failure Type
Threaded Connection/coupling Failure
Other Stripped Ind
Threaded Fitting
Additional Installation Ind
Yes
Preparer Name
S**** S****
Preparer Title
Compliance Analyst
Preparer Email
S**********@e*******.com
Preparer Telephone
715-395-3620
Preparer Fax
715-394-1564
Prepared Date
2015-09-14 00:00:00
Authorizer Name
R** C*******
Authorizer Telephone
715-395-3619
Authorizer Title
Manager Us Pipeline Compliance
Authorizer Email
R***********@e*******.com
Narrative
On august 15, 2015 at approximately 10:23 am, an enbridge contractor reported approximately 30 gallons of crude oil in the area of the small diameter piping of valve 222-sv-15 near tank 15 in the superior terminal. The edmonton control center was contacted and tank 15 was isolated. A pipeline maintenance crew was dispatched to determine the source of the leak. It was discovered that the nipple on the lower body block and bleed was cracked at the point it enters into the valve body. The nipple was removed and a plug was installed later that afternoon and the line turned back over to the control center. The internal incident investigation discovered that the threads were cracked at the time of installation due to applying uneven force while threading the nipple into the valve body. The lower body block and bleed assembly will be replaced by year end. Approximately 130 cubic yards of contaminated soil was hauled to an approved disposal site.
| Report Received Date | 2015-09-14 00:00:00 |
|---|---|
| Iyear | 2015 |
| Report Number | 20150327 |
| Supplemental Number | 20739 |
| Report Type | Original Final |
| Operator Id | 11169 PHMSA Enforcement |
| Name | Enbridge Energy, Limited Partnership |
| Operator Street Address | 915 N Eldridge Parkway, Suite 1100 |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77079 |
| Local Datetime | 2015-08-15 10:23:00 |
| Location Latitude | 46.6869 Google Maps OpenStreetMap |
| Location Longitude | -92.0645 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 0.71 |
| Recovered Bbls | 0.71 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Contractor Working For The Operator |
| Incident Identified Datetime | 2015-08-15 10:23:00 |
| System Part Involved | Onshore Terminal/tank Farm Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Tank Was Isolated To Perform Cleanup And Repairs |
| On Site Datetime | 2015-08-15 10:23:00 |
| Nrc Rpt Num | Nrc Notification Not Required NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Superior Terminal Tank 15 |
| Segment Name | 222-V-Sv15 |
| Onshore State Abbreviation | Wi |
| Onshore Postal Code | 54880 |
| Onshore City Name | Superior |
| Onshore County Name | Douglas |
| Designated Location | Milepost/valve Station |
| Designated Name | Superior Term |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 216 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Valve |
| Valve Type | Auxiliary Or Other Valve |
| Installation Year | 2010 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Connection Failure |
| Wildlife Impact Ind | No |
| Soil Contamination | Yes |
| Long Term Assessment | No |
| Remediation Ind | No |
| Water Contam Ind | No |
| Could Be Hca | Yes |
| Commodity Reached Hca | Yes |
| High Pop Ind | Yes |
| High Pop Yes No | Yes |
| Other Pop Ind | Yes |
| Other Pop Yes No | Yes |
| Usa Drinking Ind | Yes |
| Usa Drinking Yes No | Yes |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 31 |
| Est Cost Prop Damage | 12046 |
| Est Cost Emergency | 810 |
| Est Cost Environmental | 15250 |
| Est Cost Other | 0 |
| Prpty | 28137 |
| Accident Psig | 15 |
| Mop Psig | 275 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Pipeline Function | > 20% Smys Regulated Transmission |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | No |
| Scada Conf Ind | No |
| Cpm In Place Ind | No |
| Investigation Status | No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate) |
| Investigation Status Details | Field identified during hydrovac excavations |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Threaded Connection/coupling Failure |
| Eq Failure Type | Threaded Connection/coupling Failure |
| Other Stripped Ind | Threaded Fitting |
| Additional Installation Ind | Yes |
| Preparer Name | S**** S**** |
| Preparer Title | Compliance Analyst |
| Preparer Email | S**********@e*******.com |
| Preparer Telephone | 715-395-3620 |
| Preparer Fax | 715-394-1564 |
| Prepared Date | 2015-09-14 00:00:00 |
| Authorizer Name | R** C******* |
| Authorizer Telephone | 715-395-3619 |
| Authorizer Title | Manager Us Pipeline Compliance |
| Authorizer Email | R***********@e*******.com |
| Narrative | On august 15, 2015 at approximately 10:23 am, an enbridge contractor reported approximately 30 gallons of crude oil in the area of the small diameter piping of valve 222-sv-15 near tank 15 in the superior terminal. The edmonton control center was contacted and tank 15 was isolated. A pipeline maintenance crew was dispatched to determine the source of the leak. It was discovered that the nipple on the lower body block and bleed was cracked at the point it enters into the valve body. The nipple was removed and a plug was installed later that afternoon and the line turned back over to the control center. The internal incident investigation discovered that the threads were cracked at the time of installation due to applying uneven force while threading the nipple into the valve body. The lower body block and bleed assembly will be replaced by year end. Approximately 130 cubic yards of contaminated soil was hauled to an approved disposal site. |
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