Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2012-03-27 — TX
Operator
Atmos Pipeline - Texas
Cause
Material Failure Of Pipe Or Weld
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$16,250
Incident datetime
2012-03-27 10:48
Report number
Location
TX
Narrative
On 3-27-2012, company and contract personnel were on site performing ili pigging operations. During pigging operations, the pipeline failed 6,695 feet downstream from riesel junction station. No injuries occurred, and no customers were affected as a result of the incident. It was determined that the failure was caused by the impact of the inline inspection tool at the misalignment (high/low) on the girth weld on the upstream side. The line was shut down on 3-27-2012 and was never placed back in service. It was capped off and abandoned on 10-22-2012.
Detailed record list
Report Received Date
2012-04-24 00:00:00
Iyear
2012
Report Number
20120041
Supplemental Number
33436
Report Type
Supplemental Final
Operator Id
31978
Name
Atmos Pipeline - Texas
Operator Street Address
5420 Lbj Freeway, Suite 1800
Operator City Name
Dallas
Operator State Abbreviation
TX
Operator Postal Code
75240
Local Datetime
2012-03-27 10:48:00
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
31.48491
Location Longitude
-96.95729
Nrc Rpt Num
1007007
Nrc Rpt Datetime
2012-03-27 11:13:00
Commodity Released Type
Natural Gas
Unintentional Release
1020
Intentional Release
1405
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Status When Identified
Normal Operation, Includes Pauses During Maintenance
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2012-03-27 10:58:00
Still Shutdown Ind
Yes
Communication State Fed Ind
No
Ignite Ind
No
Upstream Action Taken
Valve Closure
Upstream Valve Close Datetime
2012-03-27 10:58:00
Downstream Action Taken
Valve Closure
Downstream Vlv Close Datetime
2012-03-27 10:58:00
Num Pub Evacuated
0
Incident Identified Datetime
2012-03-27 10:48:00
On Site Datetime
2012-03-27 10:48:00
On Off Shore
Onshore
Onshore State Abbreviation
Tx
Onshore Postal Code
76682
Onshore City Name
Riesel
Onshore County Name
Mclennan
Designated Location
Survey Station No.
Designated Name
466+82
Pipe Fac Name
Atmos Pipeline - Texas
Segment Name
L8 (3rd)
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
60
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
12.75
Puddle Weld Ind
No
Pipe Wall Thickness
0.25
Pipe Smys
36400
Pipe Specification
B35
Pipe Seam Type
Lap Welded
Pipe Manufacturer
Unknown
Pipe Coating Type
Coal Tar
Coating Applied Ind
Yes
Installation Year
1952
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Rupture
Rupture Orient
Circumferential
Rupture Length
40
Rupture Width
2.5
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
197
Heat Damage Ind
No
Non Heat Damage Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
2076
Est Cost Intentional Release
2859
Est Cost Prop Damage
16250
Est Cost Emergency
2781
Est Cost Other
80000
Est Cost Other Details
Damaged Smfl + Gmfl Ili Tool
Gas Cost In Mcf
2.0351
Prpty
103966
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Wildlife Impact Ind
No
Accident Psig
430
Gas Flow In Pipe In Mcf
12
Mop Psig
500
Mop Cfr Section
192.619(A)(2)
Maop Established Date
1952-07-19 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Gas Required Odorized Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Length Segment Isolated
53377
Internal Inspection Ind
Yes
Operation Complications Ind
No
Pipeline Function
Transmission System
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
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
Operations personnel had pipeline configured for performing pigging operations at time of incident and were on site
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
Pwjf Failure Type
Design-, Construction-, Installation-, Or Fabrication-Related
Metallurgical Ind
Yes
Other Factor
Yes
Other Factor Details
Misalignment
Pwf Additional Misalign Ind
Yes
Post Constr Pressure Test Val
540
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Geometry Deformation Ind
Yes
Axial Recent Year
2011
Axial Rcnt Propul Method
Free Swimming
Axial Rcnt Attuned Detect
Metal Loss
Axial Rcnt Atnd Dtct Metal
High Resolution
Geometry Recent Year
2010
Geometry Rcnt Propul Method
Free Swimming
Geometry Rcnt Resolution
High Resolution
Geometrt Rcnt Measur Cups
Inside Ili Cups
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Pwf Construction Ind
Yes
Preparer Name
T**** A* C****
Preparer Title
Operations Supervisor
Preparer Email
T**********@a**********.com
Preparer Telephone
254-662-7434
Preparer Fax
254-662-7400
Authorizer Name
M**** S*****
Authorizer Title
Vp Of Technical Services
Authorizer Telephone
214-206-2033
Authorizer Email
M***********@a**********.com
Narrative
On 3-27-2012, company and contract personnel were on site performing ili pigging operations. During pigging operations, the pipeline failed 6,695 feet downstream from riesel junction station. No injuries occurred, and no customers were affected as a result of the incident. It was determined that the failure was caused by the impact of the inline inspection tool at the misalignment (high/low) on the girth weld on the upstream side. The line was shut down on 3-27-2012 and was never placed back in service. It was capped off and abandoned on 10-22-2012.
| Report Received Date | 2012-04-24 00:00:00 |
|---|---|
| Iyear | 2012 |
| Report Number | 20120041 |
| Supplemental Number | 33436 |
| Report Type | Supplemental Final |
| Operator Id | 31978 PHMSA Enforcement |
| Name | Atmos Pipeline - Texas |
| Operator Street Address | 5420 Lbj Freeway, Suite 1800 |
| Operator City Name | Dallas |
| Operator State Abbreviation | TX |
| Operator Postal Code | 75240 |
| Local Datetime | 2012-03-27 10:48:00 |
| Time Zone | Central |
| Daylight Savings Ind | Yes |
| Location Latitude | 31.48491 Google Maps OpenStreetMap |
| Location Longitude | -96.95729 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1007007 NRC Report How to search |
| Nrc Rpt Datetime | 2012-03-27 11:13:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 1020 |
| Intentional Release | 1405 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Status When Identified | Normal Operation, Includes Pauses During Maintenance |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2012-03-27 10:58:00 |
| Still Shutdown Ind | Yes |
| Communication State Fed Ind | No |
| Ignite Ind | No |
| Upstream Action Taken | Valve Closure |
| Upstream Valve Close Datetime | 2012-03-27 10:58:00 |
| Downstream Action Taken | Valve Closure |
| Downstream Vlv Close Datetime | 2012-03-27 10:58:00 |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2012-03-27 10:48:00 |
| On Site Datetime | 2012-03-27 10:48:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 76682 |
| Onshore City Name | Riesel |
| Onshore County Name | Mclennan |
| Designated Location | Survey Station No. |
| Designated Name | 466+82 |
| Pipe Fac Name | Atmos Pipeline - Texas |
| Segment Name | L8 (3rd) |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 60 |
| Other Underground Facilities | No |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 12.75 |
| Puddle Weld Ind | No |
| Pipe Wall Thickness | 0.25 |
| Pipe Smys | 36400 |
| Pipe Specification | B35 |
| Pipe Seam Type | Lap Welded |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Coal Tar |
| Coating Applied Ind | Yes |
| Installation Year | 1952 |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Rupture |
| Rupture Orient | Circumferential |
| Rupture Length | 40 |
| Rupture Width | 2.5 |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 197 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 2076 |
| Est Cost Intentional Release | 2859 |
| Est Cost Prop Damage | 16250 |
| Est Cost Emergency | 2781 |
| Est Cost Other | 80000 |
| Est Cost Other Details | Damaged Smfl + Gmfl Ili Tool |
| Gas Cost In Mcf | 2.0351 |
| Prpty | 103966 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Wildlife Impact Ind | No |
| Accident Psig | 430 |
| Gas Flow In Pipe In Mcf | 12 |
| Mop Psig | 500 |
| Mop Cfr Section | 192.619(A)(2) View CFR 49 §192 |
| Maop Established Date | 1952-07-19 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Gas Required Odorized Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Length Segment Isolated | 53377 |
| Internal Inspection Ind | Yes |
| Operation Complications Ind | No |
| Pipeline Function | Transmission System |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | No |
| Scada Conf Ind | No |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| 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 | Operations personnel had pipeline configured for performing pigging operations at time of incident and were on site |
| 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 |
| Pwjf Failure Type | Design-, Construction-, Installation-, Or Fabrication-Related |
| Metallurgical Ind | Yes |
| Other Factor | Yes |
| Other Factor Details | Misalignment |
| Pwf Additional Misalign Ind | Yes |
| Post Constr Pressure Test Val | 540 |
| Collected Data Ind | Yes |
| Axial Magnetic Flx Lkg Ind | Yes |
| Geometry Deformation Ind | Yes |
| Axial Recent Year | 2011 |
| Axial Rcnt Propul Method | Free Swimming |
| Axial Rcnt Attuned Detect | Metal Loss |
| Axial Rcnt Atnd Dtct Metal | High Resolution |
| Geometry Recent Year | 2010 |
| Geometry Rcnt Propul Method | Free Swimming |
| Geometry Rcnt Resolution | High Resolution |
| Geometrt Rcnt Measur Cups | Inside Ili Cups |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Pwf Construction Ind | Yes |
| Preparer Name | T**** A* C**** |
| Preparer Title | Operations Supervisor |
| Preparer Email | T**********@a**********.com |
| Preparer Telephone | 254-662-7434 |
| Preparer Fax | 254-662-7400 |
| Authorizer Name | M**** S***** |
| Authorizer Title | Vp Of Technical Services |
| Authorizer Telephone | 214-206-2033 |
| Authorizer Email | M***********@a**********.com |
| Narrative | On 3-27-2012, company and contract personnel were on site performing ili pigging operations. During pigging operations, the pipeline failed 6,695 feet downstream from riesel junction station. No injuries occurred, and no customers were affected as a result of the incident. It was determined that the failure was caused by the impact of the inline inspection tool at the misalignment (high/low) on the girth weld on the upstream side. The line was shut down on 3-27-2012 and was never placed back in service. It was capped off and abandoned on 10-22-2012. |
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