Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2011-04-29 — 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
2011-04-29 16:38
Report number
Location
OK
Narrative
Landowner notified oneok pipeline control to report vapors coming from a flange on the grapeland launcher scraper trap. Oneok employee was nearby and responded to location and verified 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. O-ring was replaced and system was returned to normal operation.
Detailed record list
Report Received Date
2011-05-26 00:00:00
Iyear
2011
Report Number
20110157
Supplemental Number
15825
Report Type
Supplemental Final
Operator Id
32109
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
2011-04-29 16:38:00
Location Latitude
31.50653
Location Longitude
-95.44006
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
3
Intentional Release Bbls
1.8
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Incident Identified Datetime
2011-04-29 16:38:00
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
2011-04-29 16:50:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Sterling 2/grapeland Station
Segment Name
10182
Onshore State Abbreviation
Tx
Onshore Postal Code
75844
Onshore City Name
Grapeland
Onshore County Name
Houston
Designated Location
Milepost/valve Station
Designated Name
21829+07
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Pipe Facility Type
Interstate
Item Involved
Scraper/pig Trap
Release Type
Leak
Leak Type
Seal Or Packing
Leak Type Other
O-Ring
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
90
Est Cost Prop Damage
125
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
215
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
2011-05-26 00:00:00
Authorizer Name
N*** J****
Authorizer Telephone
580-395-6304
Authorizer Title
Dot Regulations Coordinator
Authorizer Email
N*********@o****.com
Narrative
Landowner notified oneok pipeline control to report vapors coming from a flange on the grapeland launcher scraper trap. Oneok employee was nearby and responded to location and verified 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. O-ring was replaced and system was returned to normal operation.
| Report Received Date | 2011-05-26 00:00:00 |
|---|---|
| Iyear | 2011 |
| Report Number | 20110157 |
| Supplemental Number | 15825 |
| Report Type | Supplemental 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 | 2011-04-29 16:38:00 |
| Location Latitude | 31.50653 Google Maps OpenStreetMap |
| Location Longitude | -95.44006 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 | 3 |
| Intentional Release Bbls | 1.8 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Incident Identified Datetime | 2011-04-29 16:38:00 |
| 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 | 2011-04-29 16:50:00 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Sterling 2/grapeland Station |
| Segment Name | 10182 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 75844 |
| Onshore City Name | Grapeland |
| Onshore County Name | Houston |
| Designated Location | Milepost/valve Station |
| Designated Name | 21829+07 |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Aboveground |
| Pipe Facility Type | Interstate |
| Item Involved | Scraper/pig Trap |
| Release Type | Leak |
| Leak Type | Seal Or Packing |
| Leak Type Other | O-Ring |
| Water Contam Ind | No |
| Could Be Hca | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 90 |
| Est Cost Prop Damage | 125 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 215 |
| 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 | 2011-05-26 00:00:00 |
| Authorizer Name | N*** J**** |
| Authorizer Telephone | 580-395-6304 |
| Authorizer Title | Dot Regulations Coordinator |
| Authorizer Email | N*********@o****.com |
| Narrative | Landowner notified oneok pipeline control to report vapors coming from a flange on the grapeland launcher scraper trap. Oneok employee was nearby and responded to location and verified 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. O-ring was replaced and system was returned to normal operation. |
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