Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2013-07-01 — OK
Operator
Magellan Ammonia Pipeline, L.p.
Cause
Material Failure Of Pipe Or Weld
Commodity
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$128,000
Incident datetime
2013-07-01 15:00
Report number
Location
OK
Narrative
Aerial patrol pilot identified a potential dead spot of vegetation and notified magellan personnel who investigated and determined it was the result of a release. The site was excavated and a pinhole release was discovered. The defective pipe was removed and a joint of new, pretested pipe was installed and the line was restored to service. The defective pipe was sent to a metallurgical laboratory for analysis which determined the leak was caused by a through thickness hole located at the end of an overlapping fillet welded side seam which did not extend the full length of the sleeve. Approximately 334 cubic yards of impacted soil was remediated in accordance with state and company standards.
Detailed record list
Report Received Date
2013-07-30 00:00:00
Iyear
2013
Report Number
20130258
Supplemental Number
19209
Report Type
Supplemental Final
Operator Id
12105
Name
Magellan Ammonia Pipeline, L.p.
Operator Street Address
One Williams Center, Otc-9 P.o. Box 22186
Operator City Name
Tulsa
Operator State Abbreviation
OK
Operator Postal Code
74172
Local Datetime
2013-07-01 15:00:00
Location Latitude
42.80667
Location Longitude
-94.36011
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Anhydrous Ammonia
Unintentional Release Bbls
18.18
Intentional Release Bbls
7.14
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Air Patrol
Operator Type
Contractor Working For The Operator
Incident Identified Datetime
2013-07-01 15:00:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2013-07-01 15:00:00
Restart Datetime
2013-07-06 14:09:00
On Site Datetime
2013-07-01 15:00:00
Nrc Rpt Datetime
2013-07-01 15:26:00
Nrc Rpt Num
1052407
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Remotely Controlled
Downstream Valve Type Ind
Remotely Controlled
Pipe Fac Name
Pochantos To Luverne 6-Inch Line
Segment Name
Line Segment Id 504
Onshore State Abbreviation
Ia
Onshore Postal Code
50520
Onshore City Name
Bradgate
Onshore County Name
Humboldt
Designated Location
Milepost/valve Station
Designated Name
106.9
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
36
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
6.625
Pipe Wall Thickness
0.156
Pipe Smys
46000
Pipe Specification
Api 5l X-46
Pipe Seam Type
Erw - Low Frequency
Pipe Manufacturer
Lone Star Steel
Pipe Coating Type
Cold Applied Tape
Installation Year
1968
Manufactured Year
1968
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
No
Commodity Reached Hca
No
Est Cost Oper Paid
2500
Est Cost Gas Released
1166
Est Cost Prop Damage
128000
Est Cost Emergency
43000
Est Cost Environmental
35000
Est Cost Other
0
Prpty
209666
Accident Psig
510
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
39117
Internal Inspection Ind
Yes
Operation Complications 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
The release was from a mechanical defect (pinhole) in a fillet weld on a repair sleeve. It was subsequently determined that the release was not the result of the control room nor the operations controller on duty.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Material Failure Of Pipe Or Weld
Cause Details
Design-, Construction-, Installation-, Or Fabrication-Related
Metallurgical Ind
Yes
Failure Type
Design-, Construction-, Installation-, Or Fabrication-Related
Other Factor
Yes
Other Factor Details
Through Thickness Hole At End Of Overlapping Fillet Welded Side Seam
Pwf Additional Other Ind
Yes
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Geometry Deformation Ind
Yes
Axial Recent Year
2007
Geometry Recent Year
2007
Has Hydrtst Conduc Before Ind
Yes
Hydrtst Most Rcnt Year
2011
Hydrtst Most Rcnt Pressure
1973
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
K****** L* L*******
Preparer Title
Sr. Compliance Coordinator
Preparer Email
K***********@m*********.com
Preparer Telephone
918-574-7315
Preparer Fax
918-574-7377
Prepared Date
2014-04-03 00:00:00
Authorizer Name
K****** L* L*******
Authorizer Telephone
918-574-7315
Authorizer Title
Sr. Compliance Coordinator
Authorizer Email
K***********@m*********.com
Narrative
Aerial patrol pilot identified a potential dead spot of vegetation and notified magellan personnel who investigated and determined it was the result of a release. The site was excavated and a pinhole release was discovered. The defective pipe was removed and a joint of new, pretested pipe was installed and the line was restored to service. The defective pipe was sent to a metallurgical laboratory for analysis which determined the leak was caused by a through thickness hole located at the end of an overlapping fillet welded side seam which did not extend the full length of the sleeve. Approximately 334 cubic yards of impacted soil was remediated in accordance with state and company standards.
| Report Received Date | 2013-07-30 00:00:00 |
|---|---|
| Iyear | 2013 |
| Report Number | 20130258 |
| Supplemental Number | 19209 |
| Report Type | Supplemental Final |
| Operator Id | 12105 PHMSA Enforcement |
| Name | Magellan Ammonia Pipeline, L.p. |
| Operator Street Address | One Williams Center, Otc-9 P.o. Box 22186 |
| Operator City Name | Tulsa |
| Operator State Abbreviation | OK |
| Operator Postal Code | 74172 |
| Local Datetime | 2013-07-01 15:00:00 |
| Location Latitude | 42.80667 Google Maps OpenStreetMap |
| Location Longitude | -94.36011 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Commodity Subtype | Anhydrous Ammonia |
| Unintentional Release Bbls | 18.18 |
| Intentional Release Bbls | 7.14 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Air Patrol |
| Operator Type | Contractor Working For The Operator |
| Incident Identified Datetime | 2013-07-01 15:00:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2013-07-01 15:00:00 |
| Restart Datetime | 2013-07-06 14:09:00 |
| On Site Datetime | 2013-07-01 15:00:00 |
| Nrc Rpt Datetime | 2013-07-01 15:26:00 |
| Nrc Rpt Num | 1052407 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Remotely Controlled |
| Downstream Valve Type Ind | Remotely Controlled |
| Pipe Fac Name | Pochantos To Luverne 6-Inch Line |
| Segment Name | Line Segment Id 504 |
| Onshore State Abbreviation | Ia |
| Onshore Postal Code | 50520 |
| Onshore City Name | Bradgate |
| Onshore County Name | Humboldt |
| Designated Location | Milepost/valve Station |
| Designated Name | 106.9 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 36 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 6.625 |
| Pipe Wall Thickness | 0.156 |
| Pipe Smys | 46000 |
| Pipe Specification | Api 5l X-46 |
| Pipe Seam Type | Erw - Low Frequency |
| Pipe Manufacturer | Lone Star Steel |
| Pipe Coating Type | Cold Applied Tape |
| Installation Year | 1968 |
| Manufactured Year | 1968 |
| 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 | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 2500 |
| Est Cost Gas Released | 1166 |
| Est Cost Prop Damage | 128000 |
| Est Cost Emergency | 43000 |
| Est Cost Environmental | 35000 |
| Est Cost Other | 0 |
| Prpty | 209666 |
| Accident Psig | 510 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 39117 |
| Internal Inspection Ind | Yes |
| Operation Complications 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 | The release was from a mechanical defect (pinhole) in a fillet weld on a repair sleeve. It was subsequently determined that the release was not the result of the control room nor the operations controller on duty. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Material Failure Of Pipe Or Weld |
| Cause Details | Design-, Construction-, Installation-, Or Fabrication-Related |
| Metallurgical Ind | Yes |
| Failure Type | Design-, Construction-, Installation-, Or Fabrication-Related |
| Other Factor | Yes |
| Other Factor Details | Through Thickness Hole At End Of Overlapping Fillet Welded Side Seam |
| Pwf Additional Other Ind | Yes |
| Collected Data Ind | Yes |
| Axial Magnetic Flx Lkg Ind | Yes |
| Geometry Deformation Ind | Yes |
| Axial Recent Year | 2007 |
| Geometry Recent Year | 2007 |
| Has Hydrtst Conduc Before Ind | Yes |
| Hydrtst Most Rcnt Year | 2011 |
| Hydrtst Most Rcnt Pressure | 1973 |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | K****** L* L******* |
| Preparer Title | Sr. Compliance Coordinator |
| Preparer Email | K***********@m*********.com |
| Preparer Telephone | 918-574-7315 |
| Preparer Fax | 918-574-7377 |
| Prepared Date | 2014-04-03 00:00:00 |
| Authorizer Name | K****** L* L******* |
| Authorizer Telephone | 918-574-7315 |
| Authorizer Title | Sr. Compliance Coordinator |
| Authorizer Email | K***********@m*********.com |
| Narrative | Aerial patrol pilot identified a potential dead spot of vegetation and notified magellan personnel who investigated and determined it was the result of a release. The site was excavated and a pinhole release was discovered. The defective pipe was removed and a joint of new, pretested pipe was installed and the line was restored to service. The defective pipe was sent to a metallurgical laboratory for analysis which determined the leak was caused by a through thickness hole located at the end of an overlapping fillet welded side seam which did not extend the full length of the sleeve. Approximately 334 cubic yards of impacted soil was remediated in accordance with state and company standards. |
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