GTG incident on 2024-03-18 — TX

Operator
Energy Transfer Company
Cause
Corrosion Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$150,000
Incident datetime
2024-03-18 00:00 UTC
Report number
Location
TX
Narrative
On february 14, 2024 at approximately 4:53 pm, energy transfer personnel confirmed a leak on the sme l11 12in pipeline (28.135952, - 99.964216). This is a 12in type c gas gathering line in a rural area located in webb county near laredo, tx. Operations proceeded with line isolation and upstream and downstream valves were locked out and tagged out by 6:20 pm. Investigation revealed that the apparent cause of the incident was due to internal corrosion (mic). An estimated 27.80 mcf of unintentional gas was released and an estimated 25 bbls of accompanying liquid (full wellstream mixture of condensate and water) was released. At the time, this incident did not meet reporting criteria, but after further calculations and investigating, it was determined that the property damage and repair cost was going to exceed the reporting criteria. On february 14, 2023, this incident was reported to the national response center (nrc) at 5:46 pm.
Detailed record list
Report Received Date
2024-03-18 00:00:00
Iyear
2024
Report Number
20240035
Supplemental Number
39592
Report Type
Supplemental Final
Operator Id
Name
Energy Transfer Company
Operator Street Address
1300 Main Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Time Zone
Central
Daylight Savings Ind
No
Location Latitude
Location Longitude
Nrc Rpt Num
Additional Nrc Report Numbers
1391728
Commodity Released Type
Natural Gas
Unintentional Release
27.8
Intentional Release
87.8
Accompanying Liquid
25
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
Tx
Onshore Postal Code
78045
Onshore City Name
Laredo
Onshore County Name
Webb
Designated Location
Not Applicable
Pipe Fac Name
Sme L11 North 12-Inch
Segment Name
Sme L11 North 12-Inch
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
72
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
Puddle Weld Ind
No
Pipe Wall Thickness
0.25
Pipe Smys
52000
Pipe Specification
Api 5l
Pipe Seam Type
Longitudinal Erw - High Frequency
Pipe Manufacturer
California Steel Industries
Pipe Coating Type
Epoxy
Coating Applied Ind
No
Installation Year
2011
Manufactured Year
2011
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
660
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
40000
Est Cost Unintentional Release
44
Est Cost Intentional Release
138
Est Cost Prop Damage
150000
Est Cost Emergency
0
Est Cost Other
0
Gas Cost In Mcf
1.57
Prpty
190182
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
80
Gas Flow In Pipe In Mcf
5141
Mop Psig
1440
Mop Cfr Section
192.619(A)(2)
Maop Established Date
2011-10-11 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
14784
Internal Inspection Ind
Yes
Operation Complications Ind
No
Pipeline Function
Type C Gathering
Scada In Place Ind
No
Accident Identifier
Other
Accident Details
Notification From Producer
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the incident
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
Other
Int Visual Exam Details
Mixed Mechanisms Of Internal Corrosion
Int Corrosive Commodity 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
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
J** S*****
Preparer Title
Sr. Specialist - Dot Compliance
Preparer Email
J************@e*************.com
Preparer Telephone
713-989-7715
Authorizer Name
J***** D*******
Authorizer Title
Manager - Dot Compliance
Authorizer Telephone
713-989-5231
Authorizer Email
J**************@e*************.com
Narrative
On february 14, 2024 at approximately 4:53 pm, energy transfer personnel confirmed a leak on the sme l11 12in pipeline (28.135952, - 99.964216). This is a 12in type c gas gathering line in a rural area located in webb county near laredo, tx. Operations proceeded with line isolation and upstream and downstream valves were locked out and tagged out by 6:20 pm. Investigation revealed that the apparent cause of the incident was due to internal corrosion (mic). An estimated 27.80 mcf of unintentional gas was released and an estimated 25 bbls of accompanying liquid (full wellstream mixture of condensate and water) was released. At the time, this incident did not meet reporting criteria, but after further calculations and investigating, it was determined that the property damage and repair cost was going to exceed the reporting criteria. On february 14, 2023, this incident was reported to the national response center (nrc) at 5:46 pm.
Report Received Date 2024-03-18 00:00:00
Iyear 2024
Report Number 20240035
Supplemental Number 39592
Report Type Supplemental Final
Operator Id 32099 PHMSA Enforcement
Name Energy Transfer Company
Operator Street Address 1300 Main Street
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Time Zone Central
Daylight Savings Ind No
Location Latitude 28.135952 Google Maps OpenStreetMap
Location Longitude -99.964216 Google Maps OpenStreetMap
Nrc Rpt Num 1391581 NRC Report How to search
Additional Nrc Report Numbers 1391728
Commodity Released Type Natural Gas
Unintentional Release 27.8
Intentional Release 87.8
Accompanying Liquid 25
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 Tx
Onshore Postal Code 78045
Onshore City Name Laredo
Onshore County Name Webb
Designated Location Not Applicable
Pipe Fac Name Sme L11 North 12-Inch
Segment Name Sme L11 North 12-Inch
Federal No
Location Type Pipeline Right-Of-Way
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 72
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
Puddle Weld Ind No
Pipe Wall Thickness 0.25
Pipe Smys 52000
Pipe Specification Api 5l
Pipe Seam Type Longitudinal Erw - High Frequency
Pipe Manufacturer California Steel Industries
Pipe Coating Type Epoxy
Coating Applied Ind No
Installation Year 2011
Manufactured Year 2011
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 660
Heat Damage Ind No
Non Heat Damage Ind No
Did Occur In Mca Ind No
Est Cost Oper Paid 40000
Est Cost Unintentional Release 44
Est Cost Intentional Release 138
Est Cost Prop Damage 150000
Est Cost Emergency 0
Est Cost Other 0
Gas Cost In Mcf 1.57
Prpty 190182
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 80
Gas Flow In Pipe In Mcf 5141
Mop Psig 1440
Mop Cfr Section 192.619(A)(2) View CFR 49 §192
Maop Established Date 2011-10-11 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 14784
Internal Inspection Ind Yes
Operation Complications Ind No
Pipeline Function Type C Gathering
Scada In Place Ind No
Accident Identifier Other
Accident Details Notification From Producer
Investigation Status No, the facility was not monitored by a controller(s) at the time of the incident
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 Other
Int Visual Exam Details Mixed Mechanisms Of Internal Corrosion
Int Corrosive Commodity 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 No
Direct Asmnt Conducted No
Non Destructive Exam Ind No
Preparer Name J** S*****
Preparer Title Sr. Specialist - Dot Compliance
Preparer Email J************@e*************.com
Preparer Telephone 713-989-7715
Authorizer Name J***** D*******
Authorizer Title Manager - Dot Compliance
Authorizer Telephone 713-989-5231
Authorizer Email J**************@e*************.com
Narrative On february 14, 2024 at approximately 4:53 pm, energy transfer personnel confirmed a leak on the sme l11 12in pipeline (28.135952, - 99.964216). This is a 12in type c gas gathering line in a rural area located in webb county near laredo, tx. Operations proceeded with line isolation and upstream and downstream valves were locked out and tagged out by 6:20 pm. Investigation revealed that the apparent cause of the incident was due to internal corrosion (mic). An estimated 27.80 mcf of unintentional gas was released and an estimated 25 bbls of accompanying liquid (full wellstream mixture of condensate and water) was released. At the time, this incident did not meet reporting criteria, but after further calculations and investigating, it was determined that the property damage and repair cost was going to exceed the reporting criteria. On february 14, 2023, this incident was reported to the national response center (nrc) at 5:46 pm.

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