Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2011-08-08 — OK
Operator
Oneok Ngl Pipeline Lp
Cause
Other Outside Force Damage
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)
$350,000
Incident datetime
2011-08-08 11:27
Report number
Location
OK
Narrative
A 34kv electrical wire came down off the utility pole struck the ground and the 106e pipeline cased crossing vent pipe initiating a small grass fire. The downed powerline arced a hole in the 106 e pipeline, casing for road crossing and vent stack on casing. The 14# natural gasoline product releasing from the pipeline made its way to the surface and became ignited by the grass fire.
Detailed record list
Report Received Date
2011-09-08 00:00:00
Iyear
2011
Report Number
20110329
Supplemental Number
16168
Report Type
Supplemental Final
Operator Id
32109
Name
Oneok Ngl Pipeline Lp
Operator Street Address
100 West Fifth Street
Operator City Name
Tulsa
Operator State Abbreviation
OK
Operator Postal Code
74103
Local Datetime
2011-08-08 11:27:00
Location Latitude
41.645101
Location Longitude
-88.027889
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Other Hvl
Commodity Details
Natural Gasoline
Unintentional Release Bbls
3.26
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Controller
Operator Type
Operator Employee
Incident Identified Datetime
2011-08-08 11:27:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2011-08-08 11:27:00
Restart Datetime
2011-08-12 09:00:00
On Site Datetime
2011-08-08 11:29:00
Nrc Rpt Datetime
2011-08-08 17:23:00
Nrc Rpt Num
985316
Ignite Ind
Yes
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Oneok North System Pipeline
Segment Name
Oneok 11106 E Pipeline
Onshore State Abbreviation
Il
Onshore Postal Code
60439
Onshore City Name
Lemont
Onshore County Name
Cook
Designated Location
Survey Station No.
Designated Name
1858+17
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
48
Crossing
Yes
Road Crossing Ind
Yes
Road Type
Cased
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
8.625
Pipe Wall Thickness
0.25
Pipe Smys
52000
Pipe Specification
5l
Pipe Seam Type
Erw - High Frequency
Pipe Manufacturer
Ipsco
Pipe Coating Type
Coal Tar
Installation Year
1967
Manufactured Year
1967
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Outside Force. Overhead High Voltage Powerline Dropped On Vent Pipe And Shorted To Ground Through The Pipe.
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
Yes
Commodity Reached Hca
Yes
Other Pop Ind
Yes
Other Pop Yes No
Yes
Est Cost Oper Paid
1000
Est Cost Gas Released
277
Est Cost Prop Damage
350000
Est Cost Emergency
40000
Est Cost Environmental
20000
Est Cost Other
0
Prpty
411277
Accident Psig
836
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
42240
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
Yes
Scada Conf Ind
Yes
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
Leak occurred when powerline shorted through vent pipe on casing to ground
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Outside Force Damage
Cause Details
Electrical Arcing From Other Equipment Or Facility
Outside Force Type
Electrical Arcing From Other Equipment Or Facility
Preparer Name
N*** J****
Preparer Title
Dot Compliance Coordinator
Preparer Email
N*********@o****.com
Preparer Telephone
580-395-6304
Preparer Fax
580-395-2933
Prepared Date
2011-11-04 00:00:00
Authorizer Name
N*** J****
Authorizer Telephone
580-395-6304
Authorizer Title
Dot Compliance Coordinator
Authorizer Email
N*********@o****.com
Narrative
A 34kv electrical wire came down off the utility pole struck the ground and the 106e pipeline cased crossing vent pipe initiating a small grass fire. The downed powerline arced a hole in the 106 e pipeline, casing for road crossing and vent stack on casing. The 14# natural gasoline product releasing from the pipeline made its way to the surface and became ignited by the grass fire.
| Report Received Date | 2011-09-08 00:00:00 |
|---|---|
| Iyear | 2011 |
| Report Number | 20110329 |
| Supplemental Number | 16168 |
| Report Type | Supplemental Final |
| Operator Id | 32109 PHMSA Enforcement |
| Name | Oneok Ngl Pipeline Lp |
| Operator Street Address | 100 West Fifth Street |
| Operator City Name | Tulsa |
| Operator State Abbreviation | OK |
| Operator Postal Code | 74103 |
| Local Datetime | 2011-08-08 11:27:00 |
| Location Latitude | 41.645101 Google Maps OpenStreetMap |
| Location Longitude | -88.027889 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Commodity Subtype | Other Hvl |
| Commodity Details | Natural Gasoline |
| Unintentional Release Bbls | 3.26 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Controller |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2011-08-08 11:27:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2011-08-08 11:27:00 |
| Restart Datetime | 2011-08-12 09:00:00 |
| On Site Datetime | 2011-08-08 11:29:00 |
| Nrc Rpt Datetime | 2011-08-08 17:23:00 |
| Nrc Rpt Num | 985316 NRC Report How to search |
| Ignite Ind | Yes |
| Explode Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Oneok North System Pipeline |
| Segment Name | Oneok 11106 E Pipeline |
| Onshore State Abbreviation | Il |
| Onshore Postal Code | 60439 |
| Onshore City Name | Lemont |
| Onshore County Name | Cook |
| Designated Location | Survey Station No. |
| Designated Name | 1858+17 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 48 |
| Crossing | Yes |
| Road Crossing Ind | Yes |
| Road Type | Cased |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 8.625 |
| Pipe Wall Thickness | 0.25 |
| Pipe Smys | 52000 |
| Pipe Specification | 5l |
| Pipe Seam Type | Erw - High Frequency |
| Pipe Manufacturer | Ipsco |
| Pipe Coating Type | Coal Tar |
| Installation Year | 1967 |
| Manufactured Year | 1967 |
| Material Involved | Carbon Steel |
| Release Type | Other |
| Release Type Details | Outside Force. Overhead High Voltage Powerline Dropped On Vent Pipe And Shorted To Ground Through The Pipe. |
| 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 | Yes |
| Commodity Reached Hca | Yes |
| Other Pop Ind | Yes |
| Other Pop Yes No | Yes |
| Est Cost Oper Paid | 1000 |
| Est Cost Gas Released | 277 |
| Est Cost Prop Damage | 350000 |
| Est Cost Emergency | 40000 |
| Est Cost Environmental | 20000 |
| Est Cost Other | 0 |
| Prpty | 411277 |
| Accident Psig | 836 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 42240 |
| 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 | Yes |
| Scada Conf Ind | Yes |
| 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 | Leak occurred when powerline shorted through vent pipe on casing to ground |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Other Outside Force Damage |
| Cause Details | Electrical Arcing From Other Equipment Or Facility |
| Outside Force Type | Electrical Arcing From Other Equipment Or Facility |
| Preparer Name | N*** J**** |
| Preparer Title | Dot Compliance Coordinator |
| Preparer Email | N*********@o****.com |
| Preparer Telephone | 580-395-6304 |
| Preparer Fax | 580-395-2933 |
| Prepared Date | 2011-11-04 00:00:00 |
| Authorizer Name | N*** J**** |
| Authorizer Telephone | 580-395-6304 |
| Authorizer Title | Dot Compliance Coordinator |
| Authorizer Email | N*********@o****.com |
| Narrative | A 34kv electrical wire came down off the utility pole struck the ground and the 106e pipeline cased crossing vent pipe initiating a small grass fire. The downed powerline arced a hole in the 106 e pipeline, casing for road crossing and vent stack on casing. The 14# natural gasoline product releasing from the pipeline made its way to the surface and became ignited by the grass fire. |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA