HL incident on 2017-09-23 — 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)
$250
Incident datetime
2017-09-23 03:03
Report number
Location
OK
Narrative
Oneok pipeline control center received a gas detect alarm at the oneok red river pump station at approximately 3:03 am on september 23rd, 2017. The pump station shutdown once the gas detect activated. Pipeline control contacted the local area representative and dispatched him to the site. Upon arrival the oneok employee identified an ice ball on the side of some 1/2" stainless steel tubing used as a seal flush line on the pump. The tubing was isolated and removed and replaced with new tubing. Once the ice ball had thawed it was determined the tubing wall had cracked on the side of a bend. Tubing had been in place since the pump station had been commissioned (2007). All of the stainless steel tubing in the pump station and no other indications of cracks were identified. Once the tubing had been replaces and the gas detection alarms were reset the station was returned to normal operation. Updated 10/20/2017 - corrected hca type to - unsually sensitive area(USA) - ecological
Detailed record list
Report Received Date
2017-10-19 00:00:00
Iyear
2017
Report Number
20170341
Supplemental Number
22747
Report Type
Supplemental Final
Operator Id
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
2017-09-23 03:03:00
Location Latitude
Location Longitude
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
2.2
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Cpm Leak Detection System Or Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Calculations)
Incident Identified Datetime
2017-09-23 03:03:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2017-09-23 03:03:00
Restart Datetime
2017-09-23 05:30:00
On Site Datetime
2017-09-23 04:24:00
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Oneok Red River Pump Station
Segment Name
Oneok Red River Pumps Station Site #444
Onshore State Abbreviation
Tx
Onshore Postal Code
75020
Onshore City Name
Not Within A Municipality
Onshore County Name
Grayson
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
Tubing
Installation Year
2007
Material Involved
Material Other Than Carbon Steel
Material Details
Stainless Steel Tubing
Release Type
Leak
Leak Type
Crack
Wildlife Impact Ind
No
Soil Contamination
No
Long Term Assessment
No
Remediation Ind
No
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
0
Est Cost Gas Released
85
Est Cost Prop Damage
250
Est Cost Emergency
250
Est Cost Environmental
0
Est Cost Other
0
Prpty
585
Accident Psig
600
Mop Psig
1800
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 at the station prior to the release.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Defective Or Loose Tubing Or Fitting
Eq Failure Type
Defective Or Loose Tubing Or Fitting
Eq Additional Other Ind
Yes
Eq Additional Other Details
Crack In Section Of 1/2" Stainless Steel Tubing, Located On Side Of Bend.
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
2017-10-20 00:00:00
Authorizer Name
N*** J****
Authorizer Telephone
580-395-6304
Authorizer Title
Regulatory Compliance Manager
Authorizer Email
N*********@o****.com
Narrative
Oneok pipeline control center received a gas detect alarm at the oneok red river pump station at approximately 3:03 am on september 23rd, 2017. The pump station shutdown once the gas detect activated. Pipeline control contacted the local area representative and dispatched him to the site. Upon arrival the oneok employee identified an ice ball on the side of some 1/2" stainless steel tubing used as a seal flush line on the pump. The tubing was isolated and removed and replaced with new tubing. Once the ice ball had thawed it was determined the tubing wall had cracked on the side of a bend. Tubing had been in place since the pump station had been commissioned (2007). All of the stainless steel tubing in the pump station and no other indications of cracks were identified. Once the tubing had been replaces and the gas detection alarms were reset the station was returned to normal operation. Updated 10/20/2017 - corrected hca type to - unsually sensitive area(USA) - ecological
Report Received Date 2017-10-19 00:00:00
Iyear 2017
Report Number 20170341
Supplemental Number 22747
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 2017-09-23 03:03:00
Location Latitude 33.730409 Google Maps OpenStreetMap
Location Longitude -96.443294 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 2.2
Intentional Release Bbls 0
Recovered Bbls 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Cpm Leak Detection System Or Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Calculations)
Incident Identified Datetime 2017-09-23 03:03:00
System Part Involved Onshore Pump/meter Station Equipment And Piping
On Off Shore Onshore
Shutdown Due Accident Ind Yes
Shutdown Datetime 2017-09-23 03:03:00
Restart Datetime 2017-09-23 05:30:00
On Site Datetime 2017-09-23 04:24:00
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 Red River Pump Station
Segment Name Oneok Red River Pumps Station Site #444
Onshore State Abbreviation Tx
Onshore Postal Code 75020
Onshore City Name Not Within A Municipality
Onshore County Name Grayson
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 Tubing
Installation Year 2007
Material Involved Material Other Than Carbon Steel
Material Details Stainless Steel Tubing
Release Type Leak
Leak Type Crack
Wildlife Impact Ind No
Soil Contamination No
Long Term Assessment No
Remediation Ind No
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 0
Est Cost Gas Released 85
Est Cost Prop Damage 250
Est Cost Emergency 250
Est Cost Environmental 0
Est Cost Other 0
Prpty 585
Accident Psig 600
Mop Psig 1800
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 at the station prior to the release.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Equipment Failure
Cause Details Defective Or Loose Tubing Or Fitting
Eq Failure Type Defective Or Loose Tubing Or Fitting
Eq Additional Other Ind Yes
Eq Additional Other Details Crack In Section Of 1/2" Stainless Steel Tubing, Located On Side Of Bend.
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 2017-10-20 00:00:00
Authorizer Name N*** J****
Authorizer Telephone 580-395-6304
Authorizer Title Regulatory Compliance Manager
Authorizer Email N*********@o****.com
Narrative Oneok pipeline control center received a gas detect alarm at the oneok red river pump station at approximately 3:03 am on september 23rd, 2017. The pump station shutdown once the gas detect activated. Pipeline control contacted the local area representative and dispatched him to the site. Upon arrival the oneok employee identified an ice ball on the side of some 1/2" stainless steel tubing used as a seal flush line on the pump. The tubing was isolated and removed and replaced with new tubing. Once the ice ball had thawed it was determined the tubing wall had cracked on the side of a bend. Tubing had been in place since the pump station had been commissioned (2007). All of the stainless steel tubing in the pump station and no other indications of cracks were identified. Once the tubing had been replaces and the gas detection alarms were reset the station was returned to normal operation. Updated 10/20/2017 - corrected hca type to - unsually sensitive area(USA) - ecological

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