Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2020-07-25 — OK
Operator
Oneok Ngl Pipeline, Llc
Cause
Equipment Failure
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)
$5,000
Incident datetime
2020-07-25 11:45
Report number
Location
OK
Narrative
On 7/24/2020 while installing oneok pipeline markers, a oneok field representative identified stunted growth in a crop field near the location of the oneok 105 pipeline and determined further investigation was needed. Crews were mobilized and the site was excavated on 7/25/2020. Upon excavation at approximately 11:45 am crew determined an existing stopple tee on the oneok 105 pipeline was leaking. Pipeline was isolated. Gasket was replaced and flange installed following oneok bolt torquing procedures. Pipeline was then returned to service. An nrc report was submitted on 7/25/2020 due to estimated repairs exceeding $50,000 (nrc #1282799). 11/5/2020 - supplemental created by mistake - brent theede
Detailed record list
Report Received Date
2020-08-20 00:00:00
Iyear
2020
Report Number
20200233
Supplemental Number
34489
Report Type
Supplemental 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
2020-07-24 15:00:00
Location Latitude
41.60008
Location Longitude
-91.600352
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Other Hvl
Commodity Details
Isobutane
Unintentional Release Bbls
1.1
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
2020-07-25 11:45:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
Pipeline Was Already Down When Leak Was Discovered.
On Site Datetime
2020-07-25 11:45:00
Nrc Rpt Datetime
2020-07-25 12:38:00
Nrc Rpt Num
1282799
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
11105
Segment Name
11105
Onshore State Abbreviation
Ia
Onshore Postal Code
52240
Onshore City Name
Iowa City
Onshore County Name
Johnson
Designated Location
Milepost/valve Station
Designated Name
Valve 13
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
53
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Tap Fitting(Stopple, Thread-O-Ring, Weld-O-Let, Etc.)
Installation Year
1981
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Other
Leak Type Other
Stopple Fitting
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
Usa Ecological Ind
Yes
Usa Ecological Yes No
Yes
Est Cost Oper Paid
2000
Est Cost Gas Released
28
Est Cost Prop Damage
5000
Est Cost Emergency
6300
Est Cost Environmental
45548
Est Cost Other
0
Prpty
58876
Accident Psig
576
Mop Psig
1740
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
37722
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 were completed in association with this leak.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Non-Threaded Connection Failure
Eq Failure Type
Non-Threaded Connection Failure
Other Non Threaded Ind
Gasket
Eq Additional Other Ind
Yes
Eq Additional Other Details
Failure Of Gasket Between Stopple Fitting And Blind Flange
Preparer Name
B**** T*****
Preparer Title
Regulatory Compliance Specialist
Preparer Email
B***********@o****.com
Preparer Telephone
620-820-3047
Prepared Date
2020-11-05 00:00:00
Authorizer Name
W***** A****
Authorizer Telephone
(918)-591-5081
Authorizer Title
Vp Ngl Pipelines And Terminials
Authorizer Email
W***********@o****.com
Narrative
On 7/24/2020 while installing oneok pipeline markers, a oneok field representative identified stunted growth in a crop field near the location of the oneok 105 pipeline and determined further investigation was needed. Crews were mobilized and the site was excavated on 7/25/2020. Upon excavation at approximately 11:45 am crew determined an existing stopple tee on the oneok 105 pipeline was leaking. Pipeline was isolated. Gasket was replaced and flange installed following oneok bolt torquing procedures. Pipeline was then returned to service. An nrc report was submitted on 7/25/2020 due to estimated repairs exceeding $50,000 (nrc #1282799). 11/5/2020 - supplemental created by mistake - brent theede
| Report Received Date | 2020-08-20 00:00:00 |
|---|---|
| Iyear | 2020 |
| Report Number | 20200233 |
| Supplemental Number | 34489 |
| Report Type | Supplemental 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 | 2020-07-24 15:00:00 |
| Location Latitude | 41.60008 Google Maps OpenStreetMap |
| Location Longitude | -91.600352 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 | Isobutane |
| Unintentional Release Bbls | 1.1 |
| 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 | 2020-07-25 11:45:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Pipeline Was Already Down When Leak Was Discovered. |
| On Site Datetime | 2020-07-25 11:45:00 |
| Nrc Rpt Datetime | 2020-07-25 12:38:00 |
| Nrc Rpt Num | 1282799 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 | 11105 |
| Segment Name | 11105 |
| Onshore State Abbreviation | Ia |
| Onshore Postal Code | 52240 |
| Onshore City Name | Iowa City |
| Onshore County Name | Johnson |
| Designated Location | Milepost/valve Station |
| Designated Name | Valve 13 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 53 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Tap Fitting(Stopple, Thread-O-Ring, Weld-O-Let, Etc.) |
| Installation Year | 1981 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Stopple Fitting |
| 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 |
| Usa Ecological Ind | Yes |
| Usa Ecological Yes No | Yes |
| Est Cost Oper Paid | 2000 |
| Est Cost Gas Released | 28 |
| Est Cost Prop Damage | 5000 |
| Est Cost Emergency | 6300 |
| Est Cost Environmental | 45548 |
| Est Cost Other | 0 |
| Prpty | 58876 |
| Accident Psig | 576 |
| Mop Psig | 1740 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 37722 |
| 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 were completed in association with this leak. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Non-Threaded Connection Failure |
| Eq Failure Type | Non-Threaded Connection Failure |
| Other Non Threaded Ind | Gasket |
| Eq Additional Other Ind | Yes |
| Eq Additional Other Details | Failure Of Gasket Between Stopple Fitting And Blind Flange |
| Preparer Name | B**** T***** |
| Preparer Title | Regulatory Compliance Specialist |
| Preparer Email | B***********@o****.com |
| Preparer Telephone | 620-820-3047 |
| Prepared Date | 2020-11-05 00:00:00 |
| Authorizer Name | W***** A**** |
| Authorizer Telephone | (918)-591-5081 |
| Authorizer Title | Vp Ngl Pipelines And Terminials |
| Authorizer Email | W***********@o****.com |
| Narrative | On 7/24/2020 while installing oneok pipeline markers, a oneok field representative identified stunted growth in a crop field near the location of the oneok 105 pipeline and determined further investigation was needed. Crews were mobilized and the site was excavated on 7/25/2020. Upon excavation at approximately 11:45 am crew determined an existing stopple tee on the oneok 105 pipeline was leaking. Pipeline was isolated. Gasket was replaced and flange installed following oneok bolt torquing procedures. Pipeline was then returned to service. An nrc report was submitted on 7/25/2020 due to estimated repairs exceeding $50,000 (nrc #1282799). 11/5/2020 - supplemental created by mistake - brent theede |
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