HL incident on 2011-06-15 — OK

Operator
Oneok Ngl Pipeline Lp
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)
$125
Incident datetime
2011-06-15 15:30
Report number
Location
OK
Narrative
Oneok employee noticed vapors being released from the scraper trap enclosure door. The enclosure was isolated and bypassed. It was determined that an o-ring material failure occured. The o-ring failure is believed to occured because inferior o-ring material. Oneok has since changed o-ring suppliers for better quality product. O-ring was replaced and system was returned to normal operation.
Detailed record list
Report Received Date
2011-07-14 00:00:00
Iyear
2011
Report Number
20110246
Supplemental Number
15935
Report Type
Original Final
Operator Id
Name
Oneok Ngl Pipeline Lp
Operator Street Address
100 West Fifth Street
Operator City Name
Tulsa
Operator State Abbreviation
OK
Operator Postal Code
74103
Local Datetime
2011-06-15 15:30:00
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
4.88
Intentional Release Bbls
1.65
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Incident Identified Datetime
2011-06-15 15:30:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
Ability To Isolate And Bypass Scraper Trap
On Site Datetime
2011-06-15 15:30:00
Ignite Ind
No
Explode Ind
No
Pipe Fac Name
Tishomingo Station (241)
Segment Name
Sterling 2/10182
Onshore State Abbreviation
Ok
Onshore Postal Code
73460
Onshore City Name
Tishomingo
Onshore County Name
Johnston
Designated Location
Milepost/valve Station
Designated Name
10411+49
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Pipe Facility Type
Interstate
Item Involved
Scraper/pig Trap
Release Type
Leak
Leak Type
Seal Or Packing
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
142
Est Cost Prop Damage
125
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
267
Pipeline Function
> 20% Smys Regulated Transmission
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
Preparer Name
P**** G**********
Preparer Email
P****************@o****.com
Preparer Telephone
580-395-6238
Preparer Fax
580-395-2933
Prepared Date
2011-07-14 00:00:00
Authorizer Name
N*** J****
Authorizer Telephone
580-395-6304
Authorizer Title
Dot Regulations Coordinator
Authorizer Email
N*********@o****.com
Narrative
Oneok employee noticed vapors being released from the scraper trap enclosure door. The enclosure was isolated and bypassed. It was determined that an o-ring material failure occured. The o-ring failure is believed to occured because inferior o-ring material. Oneok has since changed o-ring suppliers for better quality product. O-ring was replaced and system was returned to normal operation.
Report Received Date 2011-07-14 00:00:00
Iyear 2011
Report Number 20110246
Supplemental Number 15935
Report Type Original Final
Operator Id 32109 PHMSA Enforcement
Name Oneok Ngl Pipeline Lp
Operator Street Address 100 West Fifth Street
Operator City Name Tulsa
Operator State Abbreviation OK
Operator Postal Code 74103
Local Datetime 2011-06-15 15:30:00
Location Latitude 34.27734 Google Maps OpenStreetMap
Location Longitude -96.52176 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 4.88
Intentional Release Bbls 1.65
Recovered Bbls 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Incident Identified Datetime 2011-06-15 15:30:00
System Part Involved Onshore Pipeline, Including Valve Sites
On Off Shore Onshore
Shutdown Due Accident Ind No
Shutdown Explain Ability To Isolate And Bypass Scraper Trap
On Site Datetime 2011-06-15 15:30:00
Ignite Ind No
Explode Ind No
Pipe Fac Name Tishomingo Station (241)
Segment Name Sterling 2/10182
Onshore State Abbreviation Ok
Onshore Postal Code 73460
Onshore City Name Tishomingo
Onshore County Name Johnston
Designated Location Milepost/valve Station
Designated Name 10411+49
Federal No
Location Type Totally Contained On Operator-Controlled Property
Incident Area Type Aboveground
Incident Area Subtype Typical Aboveground Facility Piping Or Appurtenance
Pipe Facility Type Interstate
Item Involved Scraper/pig Trap
Release Type Leak
Leak Type Seal Or Packing
Water Contam Ind No
Could Be Hca No
Commodity Reached Hca No
Est Cost Oper Paid 0
Est Cost Gas Released 142
Est Cost Prop Damage 125
Est Cost Emergency 0
Est Cost Environmental 0
Est Cost Other 0
Prpty 267
Pipeline Function > 20% Smys Regulated Transmission
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
Preparer Name P**** G**********
Preparer Email P****************@o****.com
Preparer Telephone 580-395-6238
Preparer Fax 580-395-2933
Prepared Date 2011-07-14 00:00:00
Authorizer Name N*** J****
Authorizer Telephone 580-395-6304
Authorizer Title Dot Regulations Coordinator
Authorizer Email N*********@o****.com
Narrative Oneok employee noticed vapors being released from the scraper trap enclosure door. The enclosure was isolated and bypassed. It was determined that an o-ring material failure occured. The o-ring failure is believed to occured because inferior o-ring material. Oneok has since changed o-ring suppliers for better quality product. O-ring was replaced and system was returned to normal operation.

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