Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2024-04-08 — TX
Operator
Texas Eastern Transmission, Lp
Cause
Equipment Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$105,253
Incident datetime
2024-04-08 00:00 UTC
Report number
Location
TX
Narrative
On march 13, 2024, a potential underground leak was identified near the bechtelsville compressor station yard. On march 13, 2024, texas eastern implemented a 20 percent pressure reduction and the gas leak dissipated. On march 15, 2024, the leak was confirmed to be on a buried electrically insulated flange. On march 21, 2024, the insulated flange was removed and replaced with as section of pipe. The leak was the result of a failed insulated flange gasket. Installation of a new section of pipe to replace the flange resulted repair costs which exceeded the reporting threshold at the time. 05/29/2024 the actual costs under part d 7d. Was updated to $105,253.
Detailed record list
Report Received Date
2024-04-08 00:00:00
Iyear
2024
Report Number
20240045
Supplemental Number
39605
Report Type
Supplemental Final
Operator Id
19235
Name
Texas Eastern Transmission, Lp
Operator Street Address
915 North Eldridge Parkway
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77079
Time Zone
Eastern
Daylight Savings Ind
Yes
Location Latitude
40.41728957
Location Longitude
-75.62130857
Nrc Rpt Num
1393766
Additional Nrc Report Numbers
1393953
Commodity Released Type
Natural Gas
Unintentional Release
33.9
Intentional Release
4942.93
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
Pa
Onshore Postal Code
19504
Onshore City Name
Not Within A Municipality
Onshore County Name
Berks
Designated Location
Milepost
Designated Name
223.53
Pipe Fac Name
Bechtelsville Compressor Station
Segment Name
Bech-Lamt 19 Vs 1
Federal
No
Location Type
Operator-Controlled Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
60
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Interstate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Flange Assembly
Installation Year
2011
Manufactured Year
2011
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Seal Or Packing
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
671
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
56
Est Cost Intentional Release
8205
Est Cost Prop Damage
105253
Est Cost Emergency
1000
Est Cost Other
0
Gas Cost In Mcf
1.66
Prpty
114514
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
944
Gas Flow In Pipe In Mcf
1698
Mop Psig
1050
Mop Cfr Section
192.619(A)(2)
Maop Established Date
1970-01-02 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
66528
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
The release was not of a size that was identified through scada. Pressures, flowrates, and operations in the area were normal and within designed ranges. Control room engagement was limited to notification of response.
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
Other Non Threaded Ind
Gasket
Eq Additional Other Ind
Yes
Eq Additional Other Details
Flange Gasket
Preparer Name
M****** J M******
Preparer Email
M**************@e*******.com
Preparer Telephone
6128056542
Authorizer Name
S***** A******
Authorizer Telephone
936-433-3303
Authorizer Email
S*************@e*******.com
Narrative
On march 13, 2024, a potential underground leak was identified near the bechtelsville compressor station yard. On march 13, 2024, texas eastern implemented a 20 percent pressure reduction and the gas leak dissipated. On march 15, 2024, the leak was confirmed to be on a buried electrically insulated flange. On march 21, 2024, the insulated flange was removed and replaced with as section of pipe. The leak was the result of a failed insulated flange gasket. Installation of a new section of pipe to replace the flange resulted repair costs which exceeded the reporting threshold at the time. 05/29/2024 the actual costs under part d 7d. Was updated to $105,253.
| Report Received Date | 2024-04-08 00:00:00 |
|---|---|
| Iyear | 2024 |
| Report Number | 20240045 |
| Supplemental Number | 39605 |
| Report Type | Supplemental Final |
| Operator Id | 19235 PHMSA Enforcement |
| Name | Texas Eastern Transmission, Lp |
| Operator Street Address | 915 North Eldridge Parkway |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77079 |
| Time Zone | Eastern |
| Daylight Savings Ind | Yes |
| Location Latitude | 40.41728957 Google Maps OpenStreetMap |
| Location Longitude | -75.62130857 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1393766 NRC Report How to search |
| Additional Nrc Report Numbers | 1393953 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 33.9 |
| Intentional Release | 4942.93 |
| 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 | Pa |
| Onshore Postal Code | 19504 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Berks |
| Designated Location | Milepost |
| Designated Name | 223.53 |
| Pipe Fac Name | Bechtelsville Compressor Station |
| Segment Name | Bech-Lamt 19 Vs 1 |
| Federal | No |
| Location Type | Operator-Controlled Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 60 |
| Other Underground Facilities | No |
| Crossing | No |
| Pipe Facility Type | Interstate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Flange Assembly |
| Installation Year | 2011 |
| Manufactured Year | 2011 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Seal Or Packing |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 671 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Did Occur In Mca Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 56 |
| Est Cost Intentional Release | 8205 |
| Est Cost Prop Damage | 105253 |
| Est Cost Emergency | 1000 |
| Est Cost Other | 0 |
| Gas Cost In Mcf | 1.66 |
| Prpty | 114514 |
| 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 | 944 |
| Gas Flow In Pipe In Mcf | 1698 |
| Mop Psig | 1050 |
| Mop Cfr Section | 192.619(A)(2) View CFR 49 §192 |
| Maop Established Date | 1970-01-02 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 | 66528 |
| 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 | The release was not of a size that was identified through scada. Pressures, flowrates, and operations in the area were normal and within designed ranges. Control room engagement was limited to notification of response. |
| 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 |
| Other Non Threaded Ind | Gasket |
| Eq Additional Other Ind | Yes |
| Eq Additional Other Details | Flange Gasket |
| Preparer Name | M****** J M****** |
| Preparer Email | M**************@e*******.com |
| Preparer Telephone | 6128056542 |
| Authorizer Name | S***** A****** |
| Authorizer Telephone | 936-433-3303 |
| Authorizer Email | S*************@e*******.com |
| Narrative | On march 13, 2024, a potential underground leak was identified near the bechtelsville compressor station yard. On march 13, 2024, texas eastern implemented a 20 percent pressure reduction and the gas leak dissipated. On march 15, 2024, the leak was confirmed to be on a buried electrically insulated flange. On march 21, 2024, the insulated flange was removed and replaced with as section of pipe. The leak was the result of a failed insulated flange gasket. Installation of a new section of pipe to replace the flange resulted repair costs which exceeded the reporting threshold at the time. 05/29/2024 the actual costs under part d 7d. Was updated to $105,253. |
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