Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2010-11-15 — 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)
$25,000
Incident datetime
2010-11-15 18:20
Report number
Location
OK
Narrative
A member of the public repoted a possible release to magellan's operations control center. The line was immediately shut down and depressurized. Magellan personnel were dispatched to investigate, and discovered a pinhole leak in a girth weld. The line was excavated and the leak located and repaired by installing a full- encirclement sleeve. Impacted soil was remediated in accordance with company and state standards.
Detailed record list
Report Received Date
2010-12-13 00:00:00
Iyear
2010
Report Number
20100299
Supplemental Number
18173
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
2010-11-15 18:20:00
Location Latitude
42.5325
Location Longitude
-95.1332
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Anhydrous Ammonia
Unintentional Release Bbls
8.62
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Notification From Public
Incident Identified Datetime
2010-11-15 18:20:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2010-11-15 18:20:00
Restart Datetime
2010-11-17 15:00:00
On Site Datetime
2010-11-16 09:30:00
Nrc Rpt Datetime
2010-11-15 19:28:00
Nrc Rpt Num
959925
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
West Leg Anhydrous Ammonia System
Segment Name
Line Id 504
Onshore State Abbreviation
Ia
Onshore Postal Code
50535
Onshore City Name
Early
Onshore County Name
Sac
Designated Location
Milepost/valve Station
Designated Name
62.1
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Weld, Including Heat-Affected Zone
Pipe Diameter
6.625
Pipe Wall Thickness
0.156
Pipe Smys
46000
Pipe Specification
Api5l X46
Pipe Seam Type
Erw - Low Frequency
Pipe Manufacturer
Lone Star Steel
Pipe Coating Type
Cold Applied Tape
Weld Subtype
Pipe Girth Weld
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
Yes
Surface Contam Ind
Yes
Amount Released
8.62
Rel Water Name
Drainage Overflow From Farm Stock Pond
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
500
Est Cost Gas Released
650
Est Cost Prop Damage
25000
Est Cost Emergency
10000
Est Cost Environmental
31281
Est Cost Other
0
Prpty
67431
Accident Psig
745
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
57732
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 below detectable limits for a controller to identify. Review indicated that the operations controller did not cause or contribute to the release and that the controller followed proper protocol.
Employee Drug Test Ind
Yes
Contractor Drug Test Ind
No
Num Employees Tested
1
Num Employees Failed
0
Cause
Material Failure Of Pipe Or Weld
Cause Details
Design-, Construction-, Installation-, Or Fabrication-Related
Field Exam Ind
Yes
Failure Type
Design-, Construction-, Installation-, Or Fabrication-Related
Other Factor
Yes
Other Factor Details
Pinhole In Girth Weld
Pwf Additional Other Ind
Yes
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Geometry Deformation Ind
Yes
Axial Recent Year
2006
Geometry Recent Year
2006
Has Hydrtst Conduc Before Ind
No
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
918-574-7246
Prepared Date
2013-06-07 00:00:00
Authorizer Name
K****** L* L*******
Authorizer Telephone
918-574-7315
Authorizer Title
Sr. Compliance Coordinator
Authorizer Email
K***********@m*********.com
Narrative
A member of the public repoted a possible release to magellan's operations control center. The line was immediately shut down and depressurized. Magellan personnel were dispatched to investigate, and discovered a pinhole leak in a girth weld. The line was excavated and the leak located and repaired by installing a full- encirclement sleeve. Impacted soil was remediated in accordance with company and state standards.
| Report Received Date | 2010-12-13 00:00:00 |
|---|---|
| Iyear | 2010 |
| Report Number | 20100299 |
| Supplemental Number | 18173 |
| 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 | 2010-11-15 18:20:00 |
| Location Latitude | 42.5325 Google Maps OpenStreetMap |
| Location Longitude | -95.1332 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 | 8.62 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Notification From Public |
| Incident Identified Datetime | 2010-11-15 18:20:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2010-11-15 18:20:00 |
| Restart Datetime | 2010-11-17 15:00:00 |
| On Site Datetime | 2010-11-16 09:30:00 |
| Nrc Rpt Datetime | 2010-11-15 19:28:00 |
| Nrc Rpt Num | 959925 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | West Leg Anhydrous Ammonia System |
| Segment Name | Line Id 504 |
| Onshore State Abbreviation | Ia |
| Onshore Postal Code | 50535 |
| Onshore City Name | Early |
| Onshore County Name | Sac |
| Designated Location | Milepost/valve Station |
| Designated Name | 62.1 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Weld, Including Heat-Affected Zone |
| Pipe Diameter | 6.625 |
| Pipe Wall Thickness | 0.156 |
| Pipe Smys | 46000 |
| Pipe Specification | Api5l X46 |
| Pipe Seam Type | Erw - Low Frequency |
| Pipe Manufacturer | Lone Star Steel |
| Pipe Coating Type | Cold Applied Tape |
| Weld Subtype | Pipe Girth Weld |
| 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 | Yes |
| Surface Contam Ind | Yes |
| Amount Released | 8.62 |
| Rel Water Name | Drainage Overflow From Farm Stock Pond |
| Could Be Hca | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 500 |
| Est Cost Gas Released | 650 |
| Est Cost Prop Damage | 25000 |
| Est Cost Emergency | 10000 |
| Est Cost Environmental | 31281 |
| Est Cost Other | 0 |
| Prpty | 67431 |
| Accident Psig | 745 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 57732 |
| 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 below detectable limits for a controller to identify. Review indicated that the operations controller did not cause or contribute to the release and that the controller followed proper protocol. |
| Employee Drug Test Ind | Yes |
| Contractor Drug Test Ind | No |
| Num Employees Tested | 1 |
| Num Employees Failed | 0 |
| Cause | Material Failure Of Pipe Or Weld |
| Cause Details | Design-, Construction-, Installation-, Or Fabrication-Related |
| Field Exam Ind | Yes |
| Failure Type | Design-, Construction-, Installation-, Or Fabrication-Related |
| Other Factor | Yes |
| Other Factor Details | Pinhole In Girth Weld |
| Pwf Additional Other Ind | Yes |
| Collected Data Ind | Yes |
| Axial Magnetic Flx Lkg Ind | Yes |
| Geometry Deformation Ind | Yes |
| Axial Recent Year | 2006 |
| Geometry Recent Year | 2006 |
| Has Hydrtst Conduc Before Ind | No |
| 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 | 918-574-7246 |
| Prepared Date | 2013-06-07 00:00:00 |
| Authorizer Name | K****** L* L******* |
| Authorizer Telephone | 918-574-7315 |
| Authorizer Title | Sr. Compliance Coordinator |
| Authorizer Email | K***********@m*********.com |
| Narrative | A member of the public repoted a possible release to magellan's operations control center. The line was immediately shut down and depressurized. Magellan personnel were dispatched to investigate, and discovered a pinhole leak in a girth weld. The line was excavated and the leak located and repaired by installing a full- encirclement sleeve. Impacted soil was remediated in accordance with company and state standards. |
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