HL incident on 2010-07-02 — TX

Operator
Enbridge Energy, Limited Partnership
Cause
Equipment Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$14,000
Incident datetime
2010-07-02 10:15
Report number
Location
TX
Narrative
On july 2, 2010 at approximately 10:15 am local time, while performing routine site inspection at the deer river station, the enbridge site technician observed oil spraying from the line 4 36" sending trap door. The technician immediately bypassed and isolated the trap and contacted the area plm and management. The free product was collected and the sending trap was drained. After inspecting the trap door, it was discovered that the o-ring in the trap door had failed. The o-ring was immediately replaced and the trap was returned to normal operation. Contaminated soil from the impacted area was removed and will be disposed at an approved facility.
Detailed record list
Report Received Date
2010-07-27 00:00:00
Iyear
2010
Report Number
20100156
Supplemental Number
18569
Report Type
Supplemental Final
Operator Id
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
2010-07-02 10:15:00
Location Latitude
Location Longitude
Commodity Released Type
Crude Oil
Unintentional Release Bbls
10
Intentional Release Bbls
0
Recovered Bbls
10
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2010-07-02 10:15:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
No
On Site Datetime
2010-07-02 10:15:00
Nrc Rpt Datetime
2010-07-02 14:22:00
Nrc Rpt Num
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Line 4 - 36"
Segment Name
Deer River Sending Trap
Onshore State Abbreviation
Mn
Onshore Postal Code
56636
Onshore City Name
Deer River
Onshore County Name
Itasca
Designated Location
Milepost/valve Station
Designated Name
995.9077
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Scraper/pig Trap
Installation Year
2002
Material Involved
Material Other Than Carbon Steel
Material Details
Trap Door Seal, Buna N O-Ring
Release Type
Leak
Leak Type
Seal Or Packing
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
Usa Ecological Ind
Yes
Usa Ecological Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
0
Est Cost Prop Damage
14000
Est Cost Emergency
45000
Est Cost Environmental
78000
Est Cost Other
0
Prpty
137000
Accident Psig
519
Mop Psig
1050
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
Yes
Cpm Operating Ind
Yes
Cpm Functional Ind
Yes
Cpm Detection Ind
No
Cpm Conf 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
Root cause was trap door o-ring failure
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Non-Threaded Connection Failure
Eq Failure Type
Non-Threaded Connection Failure
Other Non Threaded Ind
O-Ring
Eq Additional Other Ind
Yes
Eq Additional Other Details
O-Ring Parted At Connecting Point
Preparer Name
S**** S****
Preparer Title
Compliance Analyst
Preparer Email
S**********@e*******.com
Preparer Telephone
218-464-5754
Preparer Fax
218-464-5992
Prepared Date
2013-09-16 00:00:00
Authorizer Name
D**** S*******
Authorizer Telephone
218-464-5751
Authorizer Title
Manager Us Pipeline Compliance
Authorizer Email
D*************@e*******.com
Narrative
On july 2, 2010 at approximately 10:15 am local time, while performing routine site inspection at the deer river station, the enbridge site technician observed oil spraying from the line 4 36" sending trap door. The technician immediately bypassed and isolated the trap and contacted the area plm and management. The free product was collected and the sending trap was drained. After inspecting the trap door, it was discovered that the o-ring in the trap door had failed. The o-ring was immediately replaced and the trap was returned to normal operation. Contaminated soil from the impacted area was removed and will be disposed at an approved facility.
Report Received Date 2010-07-27 00:00:00
Iyear 2010
Report Number 20100156
Supplemental Number 18569
Report Type Supplemental 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 2010-07-02 10:15:00
Location Latitude 47.32444 Google Maps OpenStreetMap
Location Longitude -93.76306 Google Maps OpenStreetMap
Commodity Released Type Crude Oil
Unintentional Release Bbls 10
Intentional Release Bbls 0
Recovered Bbls 10
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Local Operating Personnel, Including Contractors
Operator Type Operator Employee
Incident Identified Datetime 2010-07-02 10:15:00
System Part Involved Onshore Pump/meter Station Equipment And Piping
On Off Shore Onshore
Shutdown Due Accident Ind No
On Site Datetime 2010-07-02 10:15:00
Nrc Rpt Datetime 2010-07-02 14:22:00
Nrc Rpt Num 946374 NRC Report How to search
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Pipe Fac Name Line 4 - 36"
Segment Name Deer River Sending Trap
Onshore State Abbreviation Mn
Onshore Postal Code 56636
Onshore City Name Deer River
Onshore County Name Itasca
Designated Location Milepost/valve Station
Designated Name 995.9077
Federal No
Location Type Totally Contained On Operator-Controlled Property
Incident Area Type Aboveground
Incident Area Subtype Typical Aboveground Facility Piping Or Appurtenance
Crossing No
Pipe Facility Type Interstate
Item Involved Scraper/pig Trap
Installation Year 2002
Material Involved Material Other Than Carbon Steel
Material Details Trap Door Seal, Buna N O-Ring
Release Type Leak
Leak Type Seal Or Packing
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
Usa Ecological Ind Yes
Usa Ecological Yes No Yes
Est Cost Oper Paid 0
Est Cost Gas Released 0
Est Cost Prop Damage 14000
Est Cost Emergency 45000
Est Cost Environmental 78000
Est Cost Other 0
Prpty 137000
Accident Psig 519
Mop Psig 1050
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 Yes
Cpm Operating Ind Yes
Cpm Functional Ind Yes
Cpm Detection Ind No
Cpm Conf 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 Root cause was trap door o-ring failure
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Equipment Failure
Cause Details Non-Threaded Connection Failure
Eq Failure Type Non-Threaded Connection Failure
Other Non Threaded Ind O-Ring
Eq Additional Other Ind Yes
Eq Additional Other Details O-Ring Parted At Connecting Point
Preparer Name S**** S****
Preparer Title Compliance Analyst
Preparer Email S**********@e*******.com
Preparer Telephone 218-464-5754
Preparer Fax 218-464-5992
Prepared Date 2013-09-16 00:00:00
Authorizer Name D**** S*******
Authorizer Telephone 218-464-5751
Authorizer Title Manager Us Pipeline Compliance
Authorizer Email D*************@e*******.com
Narrative On july 2, 2010 at approximately 10:15 am local time, while performing routine site inspection at the deer river station, the enbridge site technician observed oil spraying from the line 4 36" sending trap door. The technician immediately bypassed and isolated the trap and contacted the area plm and management. The free product was collected and the sending trap was drained. After inspecting the trap door, it was discovered that the o-ring in the trap door had failed. The o-ring was immediately replaced and the trap was returned to normal operation. Contaminated soil from the impacted area was removed and will be disposed at an approved facility.

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