Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2018-08-28 — 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)
$75
Incident datetime
2018-08-28 10:05
Report number
Location
OK
Narrative
At approximately 10:05 on 8/28/2018 oneok pipeline control center received hazardous atmosphere alarms for oneok's arbuckle pipeline middleton pump station. The alarm activated the pump shutdown and station isolation. Oneok pipeline control center controller notified field personnel of the alarm and dispatched a oneok representative to the location. Upon arrival, the oneok representative identified gasket between flanges on the pump header to be the source of the release. He then further isolated the segment and began to purge the section of hydrocarbons. The failed gasket was removed and replaced with a new gasket and new bolts were installed and torqued to manufactures specifications and the station was returned to service.
Detailed record list
Report Received Date
2018-09-27 00:00:00
Iyear
2018
Report Number
20180285
Supplemental Number
30999
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
2018-08-28 10:05:00
Location Latitude
31.154358
Location Longitude
-95.80716
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
19
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
2018-08-28 10:05:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2018-08-28 10:05:00
Restart Datetime
2018-08-28 18:27:00
On Site Datetime
2018-08-28 11:40:00
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Oneok Middleton Pump Station
Segment Name
Oneok Arbuckle Pipeline Index # 10484
Onshore State Abbreviation
Tx
Onshore Postal Code
75833
Onshore City Name
Not Within A Municipality
Onshore County Name
Leon
Designated Location
Milepost/valve Station
Designated Name
Pump Station
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Flange Assembly
Installation Year
2008
Material Involved
Material Other Than Carbon Steel
Material Details
Flexitallic Gasket
Release Type
Leak
Leak Type
Other
Leak Type Other
Flexitallic Gasket
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
760
Est Cost Prop Damage
75
Est Cost Emergency
500
Est Cost Environmental
0
Est Cost Other
0
Prpty
1335
Accident Psig
415
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction 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
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.
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
Preparer Name
N*** J****
Preparer Title
Requlatory Compliance Manager
Preparer Email
N*********@o****.com
Preparer Telephone
580-395-6304
Preparer Fax
580-395-2933
Prepared Date
2018-10-01 00:00:00
Authorizer Name
N*** J****
Authorizer Telephone
580-395-6304
Authorizer Title
Regulatory Compliance Manager
Authorizer Email
N*********@o****.com
Narrative
At approximately 10:05 on 8/28/2018 oneok pipeline control center received hazardous atmosphere alarms for oneok's arbuckle pipeline middleton pump station. The alarm activated the pump shutdown and station isolation. Oneok pipeline control center controller notified field personnel of the alarm and dispatched a oneok representative to the location. Upon arrival, the oneok representative identified gasket between flanges on the pump header to be the source of the release. He then further isolated the segment and began to purge the section of hydrocarbons. The failed gasket was removed and replaced with a new gasket and new bolts were installed and torqued to manufactures specifications and the station was returned to service.
| Report Received Date | 2018-09-27 00:00:00 |
|---|---|
| Iyear | 2018 |
| Report Number | 20180285 |
| Supplemental Number | 30999 |
| 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 | 2018-08-28 10:05:00 |
| Location Latitude | 31.154358 Google Maps OpenStreetMap |
| Location Longitude | -95.80716 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 | 19 |
| 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 | 2018-08-28 10:05:00 |
| System Part Involved | Onshore Pump/meter Station Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2018-08-28 10:05:00 |
| Restart Datetime | 2018-08-28 18:27:00 |
| On Site Datetime | 2018-08-28 11:40:00 |
| Nrc Rpt Num | Nrc Notification Not Required NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Oneok Middleton Pump Station |
| Segment Name | Oneok Arbuckle Pipeline Index # 10484 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 75833 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Leon |
| Designated Location | Milepost/valve Station |
| Designated Name | Pump Station |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Flange Assembly |
| Installation Year | 2008 |
| Material Involved | Material Other Than Carbon Steel |
| Material Details | Flexitallic Gasket |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Flexitallic Gasket |
| 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 | 760 |
| Est Cost Prop Damage | 75 |
| Est Cost Emergency | 500 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 1335 |
| Accident Psig | 415 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction 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 | 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. |
| 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 |
| Preparer Name | N*** J**** |
| Preparer Title | Requlatory Compliance Manager |
| Preparer Email | N*********@o****.com |
| Preparer Telephone | 580-395-6304 |
| Preparer Fax | 580-395-2933 |
| Prepared Date | 2018-10-01 00:00:00 |
| Authorizer Name | N*** J**** |
| Authorizer Telephone | 580-395-6304 |
| Authorizer Title | Regulatory Compliance Manager |
| Authorizer Email | N*********@o****.com |
| Narrative | At approximately 10:05 on 8/28/2018 oneok pipeline control center received hazardous atmosphere alarms for oneok's arbuckle pipeline middleton pump station. The alarm activated the pump shutdown and station isolation. Oneok pipeline control center controller notified field personnel of the alarm and dispatched a oneok representative to the location. Upon arrival, the oneok representative identified gasket between flanges on the pump header to be the source of the release. He then further isolated the segment and began to purge the section of hydrocarbons. The failed gasket was removed and replaced with a new gasket and new bolts were installed and torqued to manufactures specifications and the station was returned to service. |
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