HL incident on 2017-10-18 — TX

Operator
Enbridge Energy, Limited Partnership
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$1,200
Incident datetime
2017-10-18 08:29
Report number
Location
TX
Narrative
On october 18, 2017 at approximately 8:29 am cdt field personnel discovered crude oil in station ditch between tanks 70 and 71. The edmonton control center was contacted and the facility was shut down at 8:29 am cdt. The source of the release was identified to be a leaking bypass tee on the 34" above grade station piping near booster manifold 201. The leaking bypass tee was removed and the booster header was blinded off where the tee started. The facility was restarted at 11:37 am cdt on october 18. Further investigation determined the cause to be internal corrosion on the girth weld. Approximately 278 yards of contaminated soil was removed from release site.
Detailed record list
Report Received Date
2017-11-17 00:00:00
Iyear
2017
Report Number
20170378
Supplemental Number
22827
Report Type
Original 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
2017-10-18 08:29:00
Location Latitude
Location Longitude
Commodity Released Type
Crude Oil
Unintentional Release Bbls
10
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
2017-10-18 08:29:00
System Part Involved
Onshore Terminal/tank Farm Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2017-10-18 08:29:00
Restart Datetime
2017-10-18 11:37:00
On Site Datetime
2017-10-18 08:29:00
Nrc Rpt Datetime
2017-10-18 09:35:00
Nrc Rpt Num
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Griffith Terminal
Segment Name
Booster Manifold 201 Bypass
Onshore State Abbreviation
In
Onshore Postal Code
46319
Onshore City Name
Griffith
Onshore County Name
Lake
Designated Location
Milepost/valve Station
Designated Name
550
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
Weld, Including Heat-Affected Zone
Pipe Diameter
34
Pipe Wall Thickness
0.375
Pipe Smys
50000
Pipe Specification
Api 5l
Pipe Seam Type
Dsaw
Pipe Manufacturer
Nuc
Pipe Coating Type
Paint
Weld Subtype
Pipe Girth Weld
Installation Year
2004
Manufactured Year
2003
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
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
Est Cost Oper Paid
0
Est Cost Gas Released
860
Est Cost Prop Damage
1200
Est Cost Emergency
127000
Est Cost Environmental
143000
Est Cost Other
0
Prpty
272060
Accident Psig
120
Mop Psig
1400
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
Lack of control center involvement
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
Internal Corrosion
Internal External
Internal Corrosion
Int Visual Exam Results
Localized Pitting
Int Microbiological Ind
Yes
Int Field Exam Basis Ind
Yes
Int Low Point Pipe Loc Ind
Yes
Corrosion Inhibitors
No
Corrosion Lining
No
Cleaning Dewatering
Not Applicable - Not Mainline Pipe
Corrosion Coupons
Not Applicable - Not Mainline Pipe
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
S**** S****
Preparer Title
Compliance Analyst
Preparer Email
S**********@e*******.com
Preparer Telephone
715-395-3620
Preparer Fax
715-3984802
Prepared Date
2017-11-16 00:00:00
Authorizer Name
R** C*******
Authorizer Telephone
715-395-3619
Authorizer Title
Supervisor Us Pipeline Compliance
Authorizer Email
R***********@e*******.com
Narrative
On october 18, 2017 at approximately 8:29 am cdt field personnel discovered crude oil in station ditch between tanks 70 and 71. The edmonton control center was contacted and the facility was shut down at 8:29 am cdt. The source of the release was identified to be a leaking bypass tee on the 34" above grade station piping near booster manifold 201. The leaking bypass tee was removed and the booster header was blinded off where the tee started. The facility was restarted at 11:37 am cdt on october 18. Further investigation determined the cause to be internal corrosion on the girth weld. Approximately 278 yards of contaminated soil was removed from release site.
Report Received Date 2017-11-17 00:00:00
Iyear 2017
Report Number 20170378
Supplemental Number 22827
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 2017-10-18 08:29:00
Location Latitude 41.516035 Google Maps OpenStreetMap
Location Longitude -87.449878 Google Maps OpenStreetMap
Commodity Released Type Crude Oil
Unintentional Release Bbls 10
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 2017-10-18 08:29:00
System Part Involved Onshore Terminal/tank Farm Equipment And Piping
On Off Shore Onshore
Shutdown Due Accident Ind Yes
Shutdown Datetime 2017-10-18 08:29:00
Restart Datetime 2017-10-18 11:37:00
On Site Datetime 2017-10-18 08:29:00
Nrc Rpt Datetime 2017-10-18 09:35:00
Nrc Rpt Num 1193571 NRC Report How to search
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Pipe Fac Name Griffith Terminal
Segment Name Booster Manifold 201 Bypass
Onshore State Abbreviation In
Onshore Postal Code 46319
Onshore City Name Griffith
Onshore County Name Lake
Designated Location Milepost/valve Station
Designated Name 550
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 Weld, Including Heat-Affected Zone
Pipe Diameter 34
Pipe Wall Thickness 0.375
Pipe Smys 50000
Pipe Specification Api 5l
Pipe Seam Type Dsaw
Pipe Manufacturer Nuc
Pipe Coating Type Paint
Weld Subtype Pipe Girth Weld
Installation Year 2004
Manufactured Year 2003
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
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
Est Cost Oper Paid 0
Est Cost Gas Released 860
Est Cost Prop Damage 1200
Est Cost Emergency 127000
Est Cost Environmental 143000
Est Cost Other 0
Prpty 272060
Accident Psig 120
Mop Psig 1400
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 Lack of control center involvement
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Corrosion Failure
Cause Details Internal Corrosion
Internal External Internal Corrosion
Int Visual Exam Results Localized Pitting
Int Microbiological Ind Yes
Int Field Exam Basis Ind Yes
Int Low Point Pipe Loc Ind Yes
Corrosion Inhibitors No
Corrosion Lining No
Cleaning Dewatering Not Applicable - Not Mainline Pipe
Corrosion Coupons Not Applicable - Not Mainline Pipe
Collected Data Ind No
Has Hydrtst Conduc Before Ind No
Direct Asmnt Conducted No
Non Destructive Exam Ind No
Preparer Name S**** S****
Preparer Title Compliance Analyst
Preparer Email S**********@e*******.com
Preparer Telephone 715-395-3620
Preparer Fax 715-3984802
Prepared Date 2017-11-16 00:00:00
Authorizer Name R** C*******
Authorizer Telephone 715-395-3619
Authorizer Title Supervisor Us Pipeline Compliance
Authorizer Email R***********@e*******.com
Narrative On october 18, 2017 at approximately 8:29 am cdt field personnel discovered crude oil in station ditch between tanks 70 and 71. The edmonton control center was contacted and the facility was shut down at 8:29 am cdt. The source of the release was identified to be a leaking bypass tee on the 34" above grade station piping near booster manifold 201. The leaking bypass tee was removed and the booster header was blinded off where the tee started. The facility was restarted at 11:37 am cdt on october 18. Further investigation determined the cause to be internal corrosion on the girth weld. Approximately 278 yards of contaminated soil was removed from release site.

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