Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2016-11-16 — OK
Operator
Oneok Ngl Pipeline, Llc
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)
$6,700
Incident datetime
2016-11-16 13:41
Report number
Location
OK
Narrative
On november 16th, 2016 oneok crews conducting excavations in preparation for pipeline change outs as part of a maintenance project discovered hydrocarbons in the soil. Pipeline was exposed and hydrocarbon vapors were identified coming from the pipeline. A plidco bolt on clamp was installed at the location to stop the leak and the pipeline was returned to normal service. On november 28th the pipeline was shutdown and evacuated. The section of pipe were the leak clamp was installed was removed from the pipeline and new pipe installed. Additional maintenance work was preformed on the pipeline prior to hydrotesting prior to returning the pipeline to service.
Detailed record list
Report Received Date
2016-12-14 00:00:00
Iyear
2016
Report Number
20160413
Supplemental Number
21953
Report Type
Original Final
Operator Id
32109
Name
Oneok Ngl Pipeline, Llc
Operator Street Address
100 West Fifth Street
Operator City Name
Tulsa
Operator State Abbreviation
OK
Operator Postal Code
74103
Local Datetime
2016-11-16 13:41:00
Location Latitude
32.665279
Location Longitude
-101.057856
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid)
Unintentional Release Bbls
4.2
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2016-11-16 13:41:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
Plidco Clamp Installed To Contain Leak. Pipe Changed At Later Date.
On Site Datetime
2016-11-16 13:41:00
Nrc Rpt Datetime
2016-11-16 14:07:00
Nrc Rpt Num
1164294
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Oneok Scurry Lateral
Segment Name
Oneok Pipeline Index Number 20387
Onshore State Abbreviation
Tx
Onshore Postal Code
79549
Onshore City Name
Not Within A Municipality
Onshore County Name
Scurry
Designated Location
Milepost/valve Station
Designated Name
Mp 37.22
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
52
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Seam
Pipe Diameter
6.625
Pipe Wall Thickness
0.219
Pipe Smys
35000
Pipe Specification
Api 5l
Pipe Seam Type
Erw - Low Frequency
Pipe Manufacturer
Unknown
Pipe Coating Type
Coal Tar
Installation Year
1957
Manufactured Year
1957
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
No
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
200
Est Cost Prop Damage
6700
Est Cost Emergency
150
Est Cost Environmental
0
Est Cost Other
4029
Est Cost Other Details
Nitrogen To Purge Hvl's From Pipeline To Make Change Out.
Prpty
11079
Accident Psig
520
Mop Psig
1220
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
21523
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
No controller actions had taken place. Field crews were excavating pipeline to perform maintenance work and discovered hydrocarbons in the soil.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Material Failure Of Pipe Or Weld
Cause Details
Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field)
Field Exam Ind
Yes
Failure Type
Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field)
Other Factor
Yes
Other Factor Details
Lack Of Fusion In Pipe Seam
Additional Lack Fusion Ind
Yes
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Geometry Deformation Ind
Yes
Axial Recent Year
2015
Geometry Recent Year
2015
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
N*** J****
Preparer Title
Requlatory Compliance Supervisor
Preparer Email
N*********@o****.com
Preparer Telephone
580-395-6304
Preparer Fax
580-395-2933
Prepared Date
2016-12-14 00:00:00
Authorizer Name
N*** J****
Authorizer Telephone
580-395-6304
Authorizer Title
Regulatory Compliance Supervisor
Authorizer Email
N*********@o****.com
Narrative
On november 16th, 2016 oneok crews conducting excavations in preparation for pipeline change outs as part of a maintenance project discovered hydrocarbons in the soil. Pipeline was exposed and hydrocarbon vapors were identified coming from the pipeline. A plidco bolt on clamp was installed at the location to stop the leak and the pipeline was returned to normal service. On november 28th the pipeline was shutdown and evacuated. The section of pipe were the leak clamp was installed was removed from the pipeline and new pipe installed. Additional maintenance work was preformed on the pipeline prior to hydrotesting prior to returning the pipeline to service.
| Report Received Date | 2016-12-14 00:00:00 |
|---|---|
| Iyear | 2016 |
| Report Number | 20160413 |
| Supplemental Number | 21953 |
| Report Type | Original Final |
| Operator Id | 32109 PHMSA Enforcement |
| Name | Oneok Ngl Pipeline, Llc |
| Operator Street Address | 100 West Fifth Street |
| Operator City Name | Tulsa |
| Operator State Abbreviation | OK |
| Operator Postal Code | 74103 |
| Local Datetime | 2016-11-16 13:41:00 |
| Location Latitude | 32.665279 Google Maps OpenStreetMap |
| Location Longitude | -101.057856 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Commodity Subtype | Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid) |
| Unintentional Release Bbls | 4.2 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2016-11-16 13:41:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Plidco Clamp Installed To Contain Leak. Pipe Changed At Later Date. |
| On Site Datetime | 2016-11-16 13:41:00 |
| Nrc Rpt Datetime | 2016-11-16 14:07:00 |
| Nrc Rpt Num | 1164294 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 | Oneok Scurry Lateral |
| Segment Name | Oneok Pipeline Index Number 20387 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 79549 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Scurry |
| Designated Location | Milepost/valve Station |
| Designated Name | Mp 37.22 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 52 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Seam |
| Pipe Diameter | 6.625 |
| Pipe Wall Thickness | 0.219 |
| Pipe Smys | 35000 |
| Pipe Specification | Api 5l |
| Pipe Seam Type | Erw - Low Frequency |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Coal Tar |
| Installation Year | 1957 |
| Manufactured Year | 1957 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Pinhole |
| Wildlife Impact Ind | No |
| Soil Contamination | No |
| Long Term Assessment | No |
| Remediation Ind | No |
| Water Contam Ind | No |
| Could Be Hca | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 200 |
| Est Cost Prop Damage | 6700 |
| Est Cost Emergency | 150 |
| Est Cost Environmental | 0 |
| Est Cost Other | 4029 |
| Est Cost Other Details | Nitrogen To Purge Hvl's From Pipeline To Make Change Out. |
| Prpty | 11079 |
| Accident Psig | 520 |
| Mop Psig | 1220 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 21523 |
| 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 | No controller actions had taken place. Field crews were excavating pipeline to perform maintenance work and discovered hydrocarbons in the soil. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Material Failure Of Pipe Or Weld |
| Cause Details | Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field) |
| Field Exam Ind | Yes |
| Failure Type | Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field) |
| Other Factor | Yes |
| Other Factor Details | Lack Of Fusion In Pipe Seam |
| Additional Lack Fusion Ind | Yes |
| Collected Data Ind | Yes |
| Axial Magnetic Flx Lkg Ind | Yes |
| Geometry Deformation Ind | Yes |
| Axial Recent Year | 2015 |
| Geometry Recent Year | 2015 |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | N*** J**** |
| Preparer Title | Requlatory Compliance Supervisor |
| Preparer Email | N*********@o****.com |
| Preparer Telephone | 580-395-6304 |
| Preparer Fax | 580-395-2933 |
| Prepared Date | 2016-12-14 00:00:00 |
| Authorizer Name | N*** J**** |
| Authorizer Telephone | 580-395-6304 |
| Authorizer Title | Regulatory Compliance Supervisor |
| Authorizer Email | N*********@o****.com |
| Narrative | On november 16th, 2016 oneok crews conducting excavations in preparation for pipeline change outs as part of a maintenance project discovered hydrocarbons in the soil. Pipeline was exposed and hydrocarbon vapors were identified coming from the pipeline. A plidco bolt on clamp was installed at the location to stop the leak and the pipeline was returned to normal service. On november 28th the pipeline was shutdown and evacuated. The section of pipe were the leak clamp was installed was removed from the pipeline and new pipe installed. Additional maintenance work was preformed on the pipeline prior to hydrotesting prior to returning the pipeline to service. |
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