HL incident on 2012-08-19 — 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)
$925
Incident datetime
2012-08-19 22:30
Report number
Location
OK
Narrative
Oneok orlando pump station shutdown due to gas detect alarm. Station was isolated from pipeline. Oneok pipeline control center called field rep to investigate shutdown. Oneok field rep arrived on location at approximately 22:30 and discovered a 1" pipe nipple on pump header had cracked and was leaking vapors. Pump header was depressured and nipple was replaced. Pump station was restarted. Investigation determined vibration from control valve on header may have lead to nipple failure. Control valve was reprogrammed and vibration was eliminated.
Detailed record list
Report Received Date
2012-09-12 00:00:00
Iyear
2012
Report Number
20120261
Supplemental Number
17304
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
2012-08-19 22:30:00
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
0.5
Intentional Release Bbls
0.1
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Incident Identified Datetime
2012-08-19 22:30:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
Station Was By-Passed
On Site Datetime
2012-08-19 23:00:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Oneok Orlando Pump Station
Segment Name
Oneok Sterling 2 Pipeline
Onshore State Abbreviation
Ok
Onshore Postal Code
73073
Onshore City Name
Orlando
Onshore County Name
Noble
Designated Location
Milepost/valve Station
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Pipe Facility Type
Interstate
Item Involved
Auxiliary Piping (E.g. Drain Lines)
Release Type
Leak
Leak Type
Crack
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
16
Est Cost Prop Damage
925
Est Cost Emergency
50
Est Cost Environmental
0
Est Cost Other
0
Prpty
991
Pipeline Function
> 20% Smys Regulated Transmission
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Threaded Connection/coupling Failure
Eq Failure Type
Threaded Connection/coupling Failure
Preparer Name
N*** J****
Preparer Title
Dot Compliance Coordinator
Preparer Email
N*********@o****.com
Preparer Telephone
580-395-6304
Preparer Fax
580-395-2933
Prepared Date
2013-03-04 00:00:00
Authorizer Name
N*** J****
Authorizer Telephone
580-395-6304
Authorizer Title
Dot Compliance Coordinator
Authorizer Email
N*********@o****.com
Narrative
Oneok orlando pump station shutdown due to gas detect alarm. Station was isolated from pipeline. Oneok pipeline control center called field rep to investigate shutdown. Oneok field rep arrived on location at approximately 22:30 and discovered a 1" pipe nipple on pump header had cracked and was leaking vapors. Pump header was depressured and nipple was replaced. Pump station was restarted. Investigation determined vibration from control valve on header may have lead to nipple failure. Control valve was reprogrammed and vibration was eliminated.
Report Received Date 2012-09-12 00:00:00
Iyear 2012
Report Number 20120261
Supplemental Number 17304
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 2012-08-19 22:30:00
Location Latitude 36.17115 Google Maps OpenStreetMap
Location Longitude -97.432256 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 0.5
Intentional Release Bbls 0.1
Recovered Bbls 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Incident Identified Datetime 2012-08-19 22:30:00
System Part Involved Onshore Pump/meter Station Equipment And Piping
On Off Shore Onshore
Shutdown Due Accident Ind No
Shutdown Explain Station Was By-Passed
On Site Datetime 2012-08-19 23:00:00
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Pipe Fac Name Oneok Orlando Pump Station
Segment Name Oneok Sterling 2 Pipeline
Onshore State Abbreviation Ok
Onshore Postal Code 73073
Onshore City Name Orlando
Onshore County Name Noble
Designated Location Milepost/valve Station
Federal No
Location Type Totally Contained On Operator-Controlled Property
Incident Area Type Aboveground
Pipe Facility Type Interstate
Item Involved Auxiliary Piping (E.g. Drain Lines)
Release Type Leak
Leak Type Crack
Water Contam Ind No
Could Be Hca No
Commodity Reached Hca No
Est Cost Oper Paid 0
Est Cost Gas Released 16
Est Cost Prop Damage 925
Est Cost Emergency 50
Est Cost Environmental 0
Est Cost Other 0
Prpty 991
Pipeline Function > 20% Smys Regulated Transmission
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Equipment Failure
Cause Details Threaded Connection/coupling Failure
Eq Failure Type Threaded Connection/coupling Failure
Preparer Name N*** J****
Preparer Title Dot Compliance Coordinator
Preparer Email N*********@o****.com
Preparer Telephone 580-395-6304
Preparer Fax 580-395-2933
Prepared Date 2013-03-04 00:00:00
Authorizer Name N*** J****
Authorizer Telephone 580-395-6304
Authorizer Title Dot Compliance Coordinator
Authorizer Email N*********@o****.com
Narrative Oneok orlando pump station shutdown due to gas detect alarm. Station was isolated from pipeline. Oneok pipeline control center called field rep to investigate shutdown. Oneok field rep arrived on location at approximately 22:30 and discovered a 1" pipe nipple on pump header had cracked and was leaking vapors. Pump header was depressured and nipple was replaced. Pump station was restarted. Investigation determined vibration from control valve on header may have lead to nipple failure. Control valve was reprogrammed and vibration was eliminated.

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