Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2012-09-05 — 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)
$200
Incident datetime
2012-09-05 21:45
Report number
Location
OK
Narrative
Aerial patrol spotted a small area of distressed vegetation in a cultivated field and notified magellan personnel in the area who subsequently conducted an investigation and detected an odor of anhydrous ammonia. The line was excavated and a pinhole size leak discovered. The line was repaired and returned to service and the impacted soil was remediated in accordance with company and state standards.
Detailed record list
Report Received Date
2012-09-28 00:00:00
Iyear
2012
Report Number
20120278
Supplemental Number
19211
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
2012-09-05 21:45:00
Location Latitude
42.94222
Location Longitude
-93.90276
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Anhydrous Ammonia
Unintentional Release Bbls
8.78
Intentional Release Bbls
0
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
2012-09-05 21:45:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2012-09-05 21:45:00
Restart Datetime
2012-09-10 14:50:00
On Site Datetime
2012-09-05 21:45:00
Nrc Rpt Datetime
2012-09-05 23:24:00
Nrc Rpt Num
1023477
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Remotely Controlled
Downstream Valve Type Ind
Remotely Controlled
Pipe Fac Name
Early To Garner Line Segment
Segment Name
Line Segment #504
Onshore State Abbreviation
Ia
Onshore Postal Code
50447
Onshore City Name
Denhart
Onshore County Name
Hancock
Designated Location
Milepost/valve Station
Designated Name
132.9
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
50
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
Api 5l 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
Yes
Soil Remed Ind
Yes
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
1781
Est Cost Gas Released
708
Est Cost Prop Damage
200
Est Cost Emergency
9650
Est Cost Environmental
25000
Est Cost Other
400
Est Cost Other Details
Plastic Sheeting
Prpty
37739
Accident Psig
448
Mop Psig
1335
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
174240
Internal Inspection Ind
Yes
Operation Complications Ind
Yes
Incompat Commod Ind
Yes
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 system was operating normally up to and at the time the event was initially reported, with no alarms or other indications reported by scada or cpm, and it was determined that the nheither the control room nor the controller operating the line caused or contributed to the release.
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
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
Yes
Hydrtst Most Rcnt Year
2011
Hydrtst Most Rcnt Pressure
2018
Direct Asmnt Conducted
No
Non Destructive Exam Ind
Yes
Exm Radiography Rcnt Year
2012
Exm Handl Ultrasonic Rcnt Year
2012
Exm Wet Mgnt Partcl Rcnt Year
2012
Exm Radiography Rcnt Ind
Yes
Exm Handl Ultrasonic Rcnt Ind
Yes
Exm Wet Mgnt Partcl Rcnt Ind
Yes
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
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 spotted a small area of distressed vegetation in a cultivated field and notified magellan personnel in the area who subsequently conducted an investigation and detected an odor of anhydrous ammonia. The line was excavated and a pinhole size leak discovered. The line was repaired and returned to service and the impacted soil was remediated in accordance with company and state standards.
| Report Received Date | 2012-09-28 00:00:00 |
|---|---|
| Iyear | 2012 |
| Report Number | 20120278 |
| Supplemental Number | 19211 |
| 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 | 2012-09-05 21:45:00 |
| Location Latitude | 42.94222 Google Maps OpenStreetMap |
| Location Longitude | -93.90276 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 | 8.78 |
| Intentional Release Bbls | 0 |
| 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 | 2012-09-05 21:45:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2012-09-05 21:45:00 |
| Restart Datetime | 2012-09-10 14:50:00 |
| On Site Datetime | 2012-09-05 21:45:00 |
| Nrc Rpt Datetime | 2012-09-05 23:24:00 |
| Nrc Rpt Num | 1023477 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 | Early To Garner Line Segment |
| Segment Name | Line Segment #504 |
| Onshore State Abbreviation | Ia |
| Onshore Postal Code | 50447 |
| Onshore City Name | Denhart |
| Onshore County Name | Hancock |
| Designated Location | Milepost/valve Station |
| Designated Name | 132.9 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 50 |
| 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 | Api 5l 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 | Yes |
| Soil Remed Ind | Yes |
| Water Contam Ind | No |
| Could Be Hca | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 1781 |
| Est Cost Gas Released | 708 |
| Est Cost Prop Damage | 200 |
| Est Cost Emergency | 9650 |
| Est Cost Environmental | 25000 |
| Est Cost Other | 400 |
| Est Cost Other Details | Plastic Sheeting |
| Prpty | 37739 |
| Accident Psig | 448 |
| Mop Psig | 1335 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 174240 |
| Internal Inspection Ind | Yes |
| Operation Complications Ind | Yes |
| Incompat Commod Ind | Yes |
| 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 system was operating normally up to and at the time the event was initially reported, with no alarms or other indications reported by scada or cpm, and it was determined that the nheither the control room nor the controller operating the line caused or contributed to the release. |
| 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 |
| 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 | Yes |
| Hydrtst Most Rcnt Year | 2011 |
| Hydrtst Most Rcnt Pressure | 2018 |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | Yes |
| Exm Radiography Rcnt Year | 2012 |
| Exm Handl Ultrasonic Rcnt Year | 2012 |
| Exm Wet Mgnt Partcl Rcnt Year | 2012 |
| Exm Radiography Rcnt Ind | Yes |
| Exm Handl Ultrasonic Rcnt Ind | Yes |
| Exm Wet Mgnt Partcl Rcnt Ind | Yes |
| 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 | 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 spotted a small area of distressed vegetation in a cultivated field and notified magellan personnel in the area who subsequently conducted an investigation and detected an odor of anhydrous ammonia. The line was excavated and a pinhole size leak discovered. The line was repaired and returned to service and the impacted soil was remediated in accordance with company and state standards. |
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