Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2014-05-26 — TX
Operator
Mobil Pipe Line Company
Cause
Incorrect Operation
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$0
Incident datetime
2014-05-26 18:25
Report number
Location
TX
Narrative
Operator's contractor removed a 2 inch tor from an in-line pipe spool allowing the release of crude oil. 5/19/15 update crew had just installed a 4 foot spool piece while removing a temporary trap. It was identified that the downstream valve was leaking some oil past the valve seat when the trap was removed.� the amount of leakage was thought to be minimal, so the spool was set in place and bolted up using an impact gun and torqued to specification.� the work crew determined that it would be better to remove the 2-inch completion plug at this time, in anticipation of a future line displacement.� (leaving the plug in place would require removal in a few months under ~250 psi of nitrogen.� as the spool had just been installed, it was assumed that the spool was free of pressure and it would be safer to remove it at this time).� contractor removed the bull plug and the tor cover and installed a 2-inch tapping valve. He opened the valve and began to extract the plug by hand using a t-bar extraction tool and wrench.� pressure had unexpectedly built within the spool. As the plug was being removed, it was ejected out of the pipe, and a release of approximately 20 gallons of crude oil occurred. The 2-inch tapping valve was closed stopping the stream of oil.
Detailed record list
Report Received Date
2014-06-25 00:00:00
Iyear
2014
Report Number
20140248
Supplemental Number
20494
Report Type
Supplemental Final
Operator Id
12628
Name
Mobil Pipe Line Company
Operator Street Address
800 Bell Street Rm 623f
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2014-05-26 18:25:00
Location Latitude
34.94194
Location Longitude
-92.45555
Commodity Released Type
Crude Oil
Unintentional Release Bbls
0.48
Recovered Bbls
0.48
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2014-05-26 18:25:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
Pipeline Was Already Down
On Site Datetime
2014-05-26 18:25:00
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
Arkansas River Surviellance Site
Segment Name
Conway To Jessieville
Onshore State Abbreviation
Ar
Onshore Postal Code
71949
Onshore City Name
Not Within A Municipality
Onshore County Name
Saline
Designated Location
Milepost/valve Station
Designated Name
Valve Sta
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
Other
Item Involved Details
2 Inch Thread-O-Ring (Tor) Fitting
Installation Year
2014
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
2 Inch Thread-O-Ring Was Removed From A Pipe Spool
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
No
Remediation Ind
Yes
Soil Remed Ind
Yes
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
50
Est Cost Prop Damage
0
Est Cost Emergency
0
Est Cost Environmental
5000
Est Cost Other
0
Prpty
5050
Accident Psig
200
Mop Psig
606
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
Yes
Exceed Restriction Ind
No
Phmsa Restriction Ind
Phmsa
Length Segment Isolated
4
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
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
The pipeline was down at the time of the release. Release occurred during work at a valve site.
Employee Drug Test Ind
Yes
Contractor Drug Test Ind
No
Num Employees Tested
1
Num Employees Failed
0
Cause
Incorrect Operation
Cause Details
Other Incorrect Operation
Operation Type
Other Incorrect Operation
Operation Details
Employee's Contractor Removed The Completion Plug From A 2" Tor Fitting Located On A Newly Installed 4 Foot Spool Piece. Pressure Had Unknowingly Built Up In The Spool Piece
Related Failure Follow Ind
Yes
Category Type
Decommissioning
Operator Qualification Ind
Yes
Qualified Individuals
Yes, They Were Qualified For The Task(S)
Preparer Name
T*** M*********
Preparer Title
Pipeline Safety Advisor
Preparer Email
T**************@e*********.com
Preparer Telephone
832-624-7880
Preparer Fax
713-656-8232
Prepared Date
2015-06-04 00:00:00
Authorizer Name
M** M* B*******
Authorizer Telephone
832-625-4920
Authorizer Title
Sshe Manager
Authorizer Email
M**********************@e***.ca
Narrative
Operator's contractor removed a 2 inch tor from an in-line pipe spool allowing the release of crude oil. 5/19/15 update crew had just installed a 4 foot spool piece while removing a temporary trap. It was identified that the downstream valve was leaking some oil past the valve seat when the trap was removed.� the amount of leakage was thought to be minimal, so the spool was set in place and bolted up using an impact gun and torqued to specification.� the work crew determined that it would be better to remove the 2-inch completion plug at this time, in anticipation of a future line displacement.� (leaving the plug in place would require removal in a few months under ~250 psi of nitrogen.� as the spool had just been installed, it was assumed that the spool was free of pressure and it would be safer to remove it at this time).� contractor removed the bull plug and the tor cover and installed a 2-inch tapping valve. He opened the valve and began to extract the plug by hand using a t-bar extraction tool and wrench.� pressure had unexpectedly built within the spool. As the plug was being removed, it was ejected out of the pipe, and a release of approximately 20 gallons of crude oil occurred. The 2-inch tapping valve was closed stopping the stream of oil.
| Report Received Date | 2014-06-25 00:00:00 |
|---|---|
| Iyear | 2014 |
| Report Number | 20140248 |
| Supplemental Number | 20494 |
| Report Type | Supplemental Final |
| Operator Id | 12628 PHMSA Enforcement |
| Name | Mobil Pipe Line Company |
| Operator Street Address | 800 Bell Street Rm 623f |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2014-05-26 18:25:00 |
| Location Latitude | 34.94194 Google Maps OpenStreetMap |
| Location Longitude | -92.45555 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 0.48 |
| Recovered Bbls | 0.48 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2014-05-26 18:25:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Pipeline Was Already Down |
| On Site Datetime | 2014-05-26 18:25:00 |
| 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 | Arkansas River Surviellance Site |
| Segment Name | Conway To Jessieville |
| Onshore State Abbreviation | Ar |
| Onshore Postal Code | 71949 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Saline |
| Designated Location | Milepost/valve Station |
| Designated Name | Valve Sta |
| 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 | Other |
| Item Involved Details | 2 Inch Thread-O-Ring (Tor) Fitting |
| Installation Year | 2014 |
| Material Involved | Carbon Steel |
| Release Type | Other |
| Release Type Details | 2 Inch Thread-O-Ring Was Removed From A Pipe Spool |
| Wildlife Impact Ind | No |
| Soil Contamination | Yes |
| Long Term Assessment | No |
| Remediation Ind | Yes |
| Soil Remed Ind | Yes |
| Water Contam Ind | No |
| Could Be Hca | Yes |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 50 |
| Est Cost Prop Damage | 0 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 5000 |
| Est Cost Other | 0 |
| Prpty | 5050 |
| Accident Psig | 200 |
| Mop Psig | 606 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | Yes |
| Exceed Restriction Ind | No |
| Phmsa Restriction Ind | Phmsa |
| Length Segment Isolated | 4 |
| 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 | 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 | The pipeline was down at the time of the release. Release occurred during work at a valve site. |
| Employee Drug Test Ind | Yes |
| Contractor Drug Test Ind | No |
| Num Employees Tested | 1 |
| Num Employees Failed | 0 |
| Cause | Incorrect Operation |
| Cause Details | Other Incorrect Operation |
| Operation Type | Other Incorrect Operation |
| Operation Details | Employee's Contractor Removed The Completion Plug From A 2" Tor Fitting Located On A Newly Installed 4 Foot Spool Piece. Pressure Had Unknowingly Built Up In The Spool Piece |
| Related Failure Follow Ind | Yes |
| Category Type | Decommissioning |
| Operator Qualification Ind | Yes |
| Qualified Individuals | Yes, They Were Qualified For The Task(S) |
| Preparer Name | T*** M********* |
| Preparer Title | Pipeline Safety Advisor |
| Preparer Email | T**************@e*********.com |
| Preparer Telephone | 832-624-7880 |
| Preparer Fax | 713-656-8232 |
| Prepared Date | 2015-06-04 00:00:00 |
| Authorizer Name | M** M* B******* |
| Authorizer Telephone | 832-625-4920 |
| Authorizer Title | Sshe Manager |
| Authorizer Email | M**********************@e***.ca |
| Narrative | Operator's contractor removed a 2 inch tor from an in-line pipe spool allowing the release of crude oil. 5/19/15 update crew had just installed a 4 foot spool piece while removing a temporary trap. It was identified that the downstream valve was leaking some oil past the valve seat when the trap was removed.� the amount of leakage was thought to be minimal, so the spool was set in place and bolted up using an impact gun and torqued to specification.� the work crew determined that it would be better to remove the 2-inch completion plug at this time, in anticipation of a future line displacement.� (leaving the plug in place would require removal in a few months under ~250 psi of nitrogen.� as the spool had just been installed, it was assumed that the spool was free of pressure and it would be safer to remove it at this time).� contractor removed the bull plug and the tor cover and installed a 2-inch tapping valve. He opened the valve and began to extract the plug by hand using a t-bar extraction tool and wrench.� pressure had unexpectedly built within the spool. As the plug was being removed, it was ejected out of the pipe, and a release of approximately 20 gallons of crude oil occurred. The 2-inch tapping valve was closed stopping the stream of oil. |
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