Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2020-05-19 — 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)
$20
Incident datetime
2020-05-19 11:24
Report number
Location
OK
Narrative
On may 19th at 10:16 a.M. A landowner contacted oneok pipeline control via the emergency phone number regarding a possible hydrocarbon release at mp 59 in winkler county, texas. Pipeline control center dispatched the local operations employee to the location. Local operations personnel arrived onsite at 11:24 a.M. And confirmed the leak was on the 18-inch scraper trap door. At 11:24 a.M. The trap was isolated and blown down. Upon investigation it was determined that the o-ring on the scraper trap was damaged in one place. At 12:25 a.M. The o-ring had been replaced and the barrel returned to service. Both o-ring material and grease compatibility have not been identified as contributing to the failure. An o-ring awareness document specific to damage identification and prevention is under development in response to the incident. Update: 6/23/2020 oneok does not believe the failure was due to design or commodity incompatibility.
Detailed record list
Report Received Date
2020-06-17 00:00:00
Iyear
2020
Report Number
20200182
Supplemental Number
33949
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
2020-05-19 10:16:00
Location Latitude
32.0099
Location Longitude
-102.9325
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
2.9
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Notification From Public
Incident Identified Datetime
2020-05-19 11:24:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
Station Was Shutdown And Isolated, Pipeline Continued To Flow.
On Site Datetime
2020-05-19 11:24:00
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Mp 59 Scraper Trap
Segment Name
20613
Onshore State Abbreviation
Tx
Onshore Postal Code
79745
Onshore City Name
Not Within A Municipality
Onshore County Name
Winkler
Designated Location
Milepost/valve Station
Designated Name
Mp 59
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
Scraper/pig Trap
Installation Year
2018
Material Involved
Material Other Than Carbon Steel
Material Details
Rubber O-Ring
Release Type
Leak
Leak Type
Seal Or Packing
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
43
Est Cost Prop Damage
20
Est Cost Emergency
1000
Est Cost Environmental
0
Est Cost Other
0
Prpty
1063
Accident Psig
550
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
8
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 facility was not monitored by a controller(s) at the time of the accident
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
O-Ring
Eq Additional Other Ind
Yes
Eq Additional Other Details
Scraper Trap
Preparer Name
B****** H***
Preparer Title
Compliance Specialist
Preparer Email
B***********@o****.com
Preparer Telephone
806-324-9702
Prepared Date
2020-06-25 00:00:00
Authorizer Name
B****** H***
Authorizer Telephone
806-324-9702
Authorizer Title
Compliance Specialist
Authorizer Email
B***********@o****.com
Narrative
On may 19th at 10:16 a.M. A landowner contacted oneok pipeline control via the emergency phone number regarding a possible hydrocarbon release at mp 59 in winkler county, texas. Pipeline control center dispatched the local operations employee to the location. Local operations personnel arrived onsite at 11:24 a.M. And confirmed the leak was on the 18-inch scraper trap door. At 11:24 a.M. The trap was isolated and blown down. Upon investigation it was determined that the o-ring on the scraper trap was damaged in one place. At 12:25 a.M. The o-ring had been replaced and the barrel returned to service. Both o-ring material and grease compatibility have not been identified as contributing to the failure. An o-ring awareness document specific to damage identification and prevention is under development in response to the incident. Update: 6/23/2020 oneok does not believe the failure was due to design or commodity incompatibility.
| Report Received Date | 2020-06-17 00:00:00 |
|---|---|
| Iyear | 2020 |
| Report Number | 20200182 |
| Supplemental Number | 33949 |
| 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 | 2020-05-19 10:16:00 |
| Location Latitude | 32.0099 Google Maps OpenStreetMap |
| Location Longitude | -102.9325 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 | 2.9 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Notification From Public |
| Incident Identified Datetime | 2020-05-19 11:24:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Station Was Shutdown And Isolated, Pipeline Continued To Flow. |
| On Site Datetime | 2020-05-19 11:24:00 |
| Nrc Rpt Num | Nrc Notification Not Required 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 | Mp 59 Scraper Trap |
| Segment Name | 20613 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 79745 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Winkler |
| Designated Location | Milepost/valve Station |
| Designated Name | Mp 59 |
| 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 | Scraper/pig Trap |
| Installation Year | 2018 |
| Material Involved | Material Other Than Carbon Steel |
| Material Details | Rubber O-Ring |
| Release Type | Leak |
| Leak Type | Seal Or Packing |
| 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 | 43 |
| Est Cost Prop Damage | 20 |
| Est Cost Emergency | 1000 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 1063 |
| Accident Psig | 550 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 8 |
| 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 facility was not monitored by a controller(s) at the time of the accident |
| 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 | O-Ring |
| Eq Additional Other Ind | Yes |
| Eq Additional Other Details | Scraper Trap |
| Preparer Name | B****** H*** |
| Preparer Title | Compliance Specialist |
| Preparer Email | B***********@o****.com |
| Preparer Telephone | 806-324-9702 |
| Prepared Date | 2020-06-25 00:00:00 |
| Authorizer Name | B****** H*** |
| Authorizer Telephone | 806-324-9702 |
| Authorizer Title | Compliance Specialist |
| Authorizer Email | B***********@o****.com |
| Narrative | On may 19th at 10:16 a.M. A landowner contacted oneok pipeline control via the emergency phone number regarding a possible hydrocarbon release at mp 59 in winkler county, texas. Pipeline control center dispatched the local operations employee to the location. Local operations personnel arrived onsite at 11:24 a.M. And confirmed the leak was on the 18-inch scraper trap door. At 11:24 a.M. The trap was isolated and blown down. Upon investigation it was determined that the o-ring on the scraper trap was damaged in one place. At 12:25 a.M. The o-ring had been replaced and the barrel returned to service. Both o-ring material and grease compatibility have not been identified as contributing to the failure. An o-ring awareness document specific to damage identification and prevention is under development in response to the incident. Update: 6/23/2020 oneok does not believe the failure was due to design or commodity incompatibility. |
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