Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2012-08-20 — TX
Operator
Exxonmobil Pipeline Co
Cause
Material Failure Of Pipe Or Weld
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)
$10,000
Incident datetime
2012-08-20 15:45
Report number
Location
TX
Narrative
This small leak was located in a butt weld of a 2" stub/plug branching off the 10" mainline at the 15:00 position. The majority of the cost associated with repair of this leak is in the decommissioning and recommissioning process.
Detailed record list
Report Received Date
2012-09-19 00:00:00
Iyear
2012
Report Number
20120270
Supplemental Number
18622
Report Type
Supplemental Final
Operator Id
4906
Name
Exxonmobil Pipeline Co
Operator Street Address
800 Bell Street, Rm 623f
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2012-08-20 15:45:00
Location Latitude
29.764311
Location Longitude
-94.982056
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Unintentional Release Bbls
0.25
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2012-08-20 15:45:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2012-08-20 17:30:00
Restart Datetime
2012-08-25 16:00:00
On Site Datetime
2012-08-20 15:45:00
Nrc Rpt Datetime
2012-08-20 16:58:00
Nrc Rpt Num
1021666
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Mt Belvieu To Baytown 10" Chem Grade Propylene
Segment Name
Jct A To Baytown 10"
Onshore State Abbreviation
Tx
Onshore Postal Code
77520
Onshore City Name
Baytown
Onshore County Name
Harris
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
42
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Weld, Including Heat-Affected Zone
Weld Subtype
Other Butt Weld
Installation Year
1969
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
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
High Pop Ind
Yes
High Pop Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
50
Est Cost Prop Damage
10000
Est Cost Emergency
20000
Est Cost Environmental
0
Est Cost Other
100000
Est Cost Other Details
Cost Associated With Decommissioning (Flare) And Recommissioning (Heater).
Prpty
130050
Accident Psig
688
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
9100
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
This was a very small pinhole leak, well below the detection capabilities of the scada system.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Material Failure Of Pipe Or Weld
Cause Details
Design-, Construction-, Installation-, Or Fabrication-Related
Field Exam Ind
Yes
Failure Type
Design-, Construction-, Installation-, Or Fabrication-Related
Other Factor
Yes
Other Factor Details
Pinhole Located In Welded 2" Stub/plug Not The 10 In Mainline.
Additional Lack Fusion Ind
Yes
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Axial Recent Year
2009
Geometry Recent Year
2009
Has Hydrtst Conduc Before Ind
Yes
Hydrtst Most Rcnt Year
2005
Hydrtst Most Rcnt Pressure
1855
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
T*** M*********
Preparer Title
Pipeline Safety Advisor
Preparer Email
T**************@e*********.com
Preparer Telephone
7136562258
Preparer Fax
7136568832
Prepared Date
2013-09-25 00:00:00
Authorizer Name
M*** D* W******
Authorizer Telephone
7136560227
Authorizer Title
She Manager
Authorizer Email
M*************@e*********.com
Narrative
This small leak was located in a butt weld of a 2" stub/plug branching off the 10" mainline at the 15:00 position. The majority of the cost associated with repair of this leak is in the decommissioning and recommissioning process.
| Report Received Date | 2012-09-19 00:00:00 |
|---|---|
| Iyear | 2012 |
| Report Number | 20120270 |
| Supplemental Number | 18622 |
| Report Type | Supplemental Final |
| Operator Id | 4906 PHMSA Enforcement |
| Name | Exxonmobil Pipeline Co |
| Operator Street Address | 800 Bell Street, Rm 623f |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2012-08-20 15:45:00 |
| Location Latitude | 29.764311 Google Maps OpenStreetMap |
| Location Longitude | -94.982056 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Unintentional Release Bbls | 0.25 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2012-08-20 15:45:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2012-08-20 17:30:00 |
| Restart Datetime | 2012-08-25 16:00:00 |
| On Site Datetime | 2012-08-20 15:45:00 |
| Nrc Rpt Datetime | 2012-08-20 16:58:00 |
| Nrc Rpt Num | 1021666 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 | Mt Belvieu To Baytown 10" Chem Grade Propylene |
| Segment Name | Jct A To Baytown 10" |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77520 |
| Onshore City Name | Baytown |
| Onshore County Name | Harris |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 42 |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| Item Involved | Weld, Including Heat-Affected Zone |
| Weld Subtype | Other Butt Weld |
| Installation Year | 1969 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Pinhole |
| 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 |
| High Pop Ind | Yes |
| High Pop Yes No | Yes |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 50 |
| Est Cost Prop Damage | 10000 |
| Est Cost Emergency | 20000 |
| Est Cost Environmental | 0 |
| Est Cost Other | 100000 |
| Est Cost Other Details | Cost Associated With Decommissioning (Flare) And Recommissioning (Heater). |
| Prpty | 130050 |
| Accident Psig | 688 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 9100 |
| 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 | This was a very small pinhole leak, well below the detection capabilities of the scada system. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Material Failure Of Pipe Or Weld |
| Cause Details | Design-, Construction-, Installation-, Or Fabrication-Related |
| Field Exam Ind | Yes |
| Failure Type | Design-, Construction-, Installation-, Or Fabrication-Related |
| Other Factor | Yes |
| Other Factor Details | Pinhole Located In Welded 2" Stub/plug Not The 10 In Mainline. |
| Additional Lack Fusion Ind | Yes |
| Collected Data Ind | Yes |
| Axial Magnetic Flx Lkg Ind | Yes |
| Axial Recent Year | 2009 |
| Geometry Recent Year | 2009 |
| Has Hydrtst Conduc Before Ind | Yes |
| Hydrtst Most Rcnt Year | 2005 |
| Hydrtst Most Rcnt Pressure | 1855 |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | T*** M********* |
| Preparer Title | Pipeline Safety Advisor |
| Preparer Email | T**************@e*********.com |
| Preparer Telephone | 7136562258 |
| Preparer Fax | 7136568832 |
| Prepared Date | 2013-09-25 00:00:00 |
| Authorizer Name | M*** D* W****** |
| Authorizer Telephone | 7136560227 |
| Authorizer Title | She Manager |
| Authorizer Email | M*************@e*********.com |
| Narrative | This small leak was located in a butt weld of a 2" stub/plug branching off the 10" mainline at the 15:00 position. The majority of the cost associated with repair of this leak is in the decommissioning and recommissioning process. |
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