Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2024-06-06 — TX
Operator
Texas Gas Transmission, Llc
Cause
Corrosion Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$150,000
Incident datetime
2024-06-06 00:00 UTC
Report number
Location
TX
Narrative
On 5/8/2024 at approximately 09:00, texas gas discovered bubbles coming from the ground over its west greenville natural gas storage field 16" pipeline referred to as wggf bac16st. It was suspected that there was a pinhole leak on the pipeline so the line was isolated from all affected storage wells and laterals to the west greenville compressor station. The site has not yet been excavated. A supplemental report will be submitted when investigation and repairs are complete. The response to question b10a is assumed until excavation occurs and will be updated, if needed, when the supplemental report is submitted. 8/22/2024 update to submit final report. Pipe replacement was complete on 7/20/2024 and the line was returned to service on 7/21/2024. 3/7/2025 updated per PHMSA request to change the response for question a14 (part of system involved in incident) from "belowground storage, including associated equipment and piping" to "onshore pipeline, including valve sites," and provide response to additional questions resulting from the change.
Detailed record list
Report Received Date
2024-06-06 00:00:00
Iyear
2024
Report Number
20240078
Supplemental Number
40597
Report Type
Supplemental Final
Operator Id
19270
Name
Texas Gas Transmission, Llc
Operator Street Address
9 Greenway Plaza Suite 2800
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77046
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
37.206816
Location Longitude
-87.19985
Nrc Rpt Num
1398369
Additional Nrc Report Numbers
1398559
Commodity Released Type
Natural Gas
Unintentional Release
36
Intentional Release
0
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
Communication State Fed Ind
No
Ignite Ind
No
Upstream Action Taken
Valve Closure
Downstream Action Taken
Valve Closure
Num Pub Evacuated
0
On Off Shore
Onshore
Onshore State Abbreviation
Ky
Onshore Postal Code
42345
Onshore City Name
Not Within A Municipality
Onshore County Name
Muhlenberg
Designated Location
Milepost
Designated Name
0+3088
Pipe Fac Name
West Greenville Storage Field
Segment Name
Wggf Bac16st
Federal
No
Location Type
Operator-Controlled Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
36
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Interstate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
16
Puddle Weld Ind
No
Pipe Wall Thickness
0.25
Pipe Smys
42000
Pipe Specification
Api 5lx
Pipe Seam Type
Other
Pipe Seam Details
Erw - Direct Current
Pipe Manufacturer
Youngstown
Pipe Coating Type
Coal Tar
Coating Applied Ind
Unknown
Installation Year
1961
Manufactured Year
1961
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
356
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
58
Est Cost Intentional Release
0
Est Cost Prop Damage
150000
Est Cost Emergency
0
Est Cost Other
0
Gas Cost In Mcf
1.61
Prpty
150058
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
574
Gas Flow In Pipe In Mcf
0
Mop Psig
820
Mop Cfr Section
Other
Mop Cfr Section Details
192.555
Maop Established Date
2012-09-21 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
6180
Internal Inspection Ind
No
Other Inspection Ind
Yes
Internal Inspection Details
No Pig Traps
Operation Complications Ind
No
Pipeline Function
Transmission In Storage Field
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
Yes, specify investigation result(s): (select all that apply)
Invest No Control Room Ind
Yes
Invest No Controller Ind
Yes
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
Internal Corrosion
Internal External
Internal Corrosion
Int Visual Exam Results
Localized Pitting
Int Microbiological Ind
Yes
Int Field Exam Basis Ind
Yes
Int Low Point Pipe Loc Ind
Yes
Corrosion Inhibitors
No
Corrosion Lining
No
Cleaning Dewatering
No
Corrosion Coupons
Yes
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
Yes
Hydrtst Most Rcnt Year
1976
Hydrtst Most Rcnt Pressure
935
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Extrnl Cor Microbiologic Ind
Yes
Extrnl Cor Selective Seam Ind
Yes
Preparer Name
S****** M********
Preparer Title
Compliance Program Leader
Preparer Email
S****************@b**********.com
Preparer Telephone
(270) 903-5764
Authorizer Name
T*** B****
Authorizer Title
Manager Compliance Services
Authorizer Telephone
(270) 314-6547
Authorizer Email
T*********@b**********.com
Narrative
On 5/8/2024 at approximately 09:00, texas gas discovered bubbles coming from the ground over its west greenville natural gas storage field 16" pipeline referred to as wggf bac16st. It was suspected that there was a pinhole leak on the pipeline so the line was isolated from all affected storage wells and laterals to the west greenville compressor station. The site has not yet been excavated. A supplemental report will be submitted when investigation and repairs are complete. The response to question b10a is assumed until excavation occurs and will be updated, if needed, when the supplemental report is submitted. 8/22/2024 update to submit final report. Pipe replacement was complete on 7/20/2024 and the line was returned to service on 7/21/2024. 3/7/2025 updated per PHMSA request to change the response for question a14 (part of system involved in incident) from "belowground storage, including associated equipment and piping" to "onshore pipeline, including valve sites," and provide response to additional questions resulting from the change.
| Report Received Date | 2024-06-06 00:00:00 |
|---|---|
| Iyear | 2024 |
| Report Number | 20240078 |
| Supplemental Number | 40597 |
| Report Type | Supplemental Final |
| Operator Id | 19270 PHMSA Enforcement |
| Name | Texas Gas Transmission, Llc |
| Operator Street Address | 9 Greenway Plaza Suite 2800 |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77046 |
| Time Zone | Central |
| Daylight Savings Ind | Yes |
| Location Latitude | 37.206816 Google Maps OpenStreetMap |
| Location Longitude | -87.19985 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1398369 NRC Report How to search |
| Additional Nrc Report Numbers | 1398559 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 36 |
| Intentional Release | 0 |
| 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 |
| Communication State Fed Ind | No |
| Ignite Ind | No |
| Upstream Action Taken | Valve Closure |
| Downstream Action Taken | Valve Closure |
| Num Pub Evacuated | 0 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Ky |
| Onshore Postal Code | 42345 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Muhlenberg |
| Designated Location | Milepost |
| Designated Name | 0+3088 |
| Pipe Fac Name | West Greenville Storage Field |
| Segment Name | Wggf Bac16st |
| Federal | No |
| Location Type | Operator-Controlled Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 36 |
| Other Underground Facilities | No |
| Crossing | No |
| Pipe Facility Type | Interstate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 16 |
| Puddle Weld Ind | No |
| Pipe Wall Thickness | 0.25 |
| Pipe Smys | 42000 |
| Pipe Specification | Api 5lx |
| Pipe Seam Type | Other |
| Pipe Seam Details | Erw - Direct Current |
| Pipe Manufacturer | Youngstown |
| Pipe Coating Type | Coal Tar |
| Coating Applied Ind | Unknown |
| Installation Year | 1961 |
| Manufactured Year | 1961 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Pinhole |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 356 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Did Occur In Mca Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 58 |
| Est Cost Intentional Release | 0 |
| Est Cost Prop Damage | 150000 |
| Est Cost Emergency | 0 |
| Est Cost Other | 0 |
| Gas Cost In Mcf | 1.61 |
| Prpty | 150058 |
| 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 | 574 |
| Gas Flow In Pipe In Mcf | 0 |
| Mop Psig | 820 |
| Mop Cfr Section | Other View CFR 49 §192 |
| Mop Cfr Section Details | 192.555 |
| Maop Established Date | 2012-09-21 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 | 6180 |
| Internal Inspection Ind | No |
| Other Inspection Ind | Yes |
| Internal Inspection Details | No Pig Traps |
| Operation Complications Ind | No |
| Pipeline Function | Transmission In Storage Field |
| 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 | Yes, specify investigation result(s): (select all that apply) |
| Invest No Control Room Ind | Yes |
| Invest No Controller Ind | Yes |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Corrosion Failure |
| Cause Details | Internal Corrosion |
| Internal External | Internal Corrosion |
| Int Visual Exam Results | Localized Pitting |
| Int Microbiological Ind | Yes |
| Int Field Exam Basis Ind | Yes |
| Int Low Point Pipe Loc Ind | Yes |
| Corrosion Inhibitors | No |
| Corrosion Lining | No |
| Cleaning Dewatering | No |
| Corrosion Coupons | Yes |
| Collected Data Ind | No |
| Has Hydrtst Conduc Before Ind | Yes |
| Hydrtst Most Rcnt Year | 1976 |
| Hydrtst Most Rcnt Pressure | 935 |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Extrnl Cor Microbiologic Ind | Yes |
| Extrnl Cor Selective Seam Ind | Yes |
| Preparer Name | S****** M******** |
| Preparer Title | Compliance Program Leader |
| Preparer Email | S****************@b**********.com |
| Preparer Telephone | (270) 903-5764 |
| Authorizer Name | T*** B**** |
| Authorizer Title | Manager Compliance Services |
| Authorizer Telephone | (270) 314-6547 |
| Authorizer Email | T*********@b**********.com |
| Narrative | On 5/8/2024 at approximately 09:00, texas gas discovered bubbles coming from the ground over its west greenville natural gas storage field 16" pipeline referred to as wggf bac16st. It was suspected that there was a pinhole leak on the pipeline so the line was isolated from all affected storage wells and laterals to the west greenville compressor station. The site has not yet been excavated. A supplemental report will be submitted when investigation and repairs are complete. The response to question b10a is assumed until excavation occurs and will be updated, if needed, when the supplemental report is submitted. 8/22/2024 update to submit final report. Pipe replacement was complete on 7/20/2024 and the line was returned to service on 7/21/2024. 3/7/2025 updated per PHMSA request to change the response for question a14 (part of system involved in incident) from "belowground storage, including associated equipment and piping" to "onshore pipeline, including valve sites," and provide response to additional questions resulting from the change. |
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