GTG incident on 2025-09-19 — TX

Operator
Enterprise Products Operating Llc
Cause
Other Incident Cause
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$0
Incident datetime
2025-09-19 11:59
Report number
Location
TX
Narrative
On 9-19-2025, a third party contractor was testing a relief valve at an enterprise compressor station. During the test, there was a failure, natural gas was released and some liquid product sprayed out across highway 285. At 11:59 am cst, an enterprise technician notified enterprise and called 911 to report the gas release to local emergency responders. At 12:12 pm, enterprise shut of gas flow to the pipeline. At 12:40 pm, enterprise isolated the relief valve. At 12:45 pm, enterprise determined that this event was an incident due to gas loss. The nrc and trrc was notified by enterprise of the incident. At 3:50 pm, an enterprise contractor started the cleaning of highway 285. At 8:30 pm, the contractor completed the cleanup and and highway 285 was opened by txdot in both directions. The pipeline was placed back into service on 9-19-2025.The relief valve is isolated and enterprise is investigating the incident.
Detailed record list
Report Received Date
2025-10-17 00:00:00
Iyear
2025
Report Number
20250115
Supplemental Number
41476
Report Type
Original
Operator Id
Name
Enterprise Products Operating Llc
Operator Street Address
1100 Louisiana Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2025-09-19 11:59:00
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
Location Longitude
Nrc Rpt Num
Nrc Rpt Datetime
2025-09-19 13:10:00
Additional Nrc Report Numbers
1443300
Commodity Released Type
Natural Gas
Unintentional Release
6031
Intentional Release
0
Accompanying Liquid
20
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
2025-09-19 11:59:00
Restart Datetime
2025-09-19 20:11:00
Communication State Fed Ind
Yes
Party Initiated Communication
Operator
Initial Responder Com Datetime
2025-09-19 11:59:00
Ignite Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2025-09-19 11:59:00
On Site Datetime
2025-09-19 11:59:00
Confirmed Discovery Datetime
2025-09-19 11:59:00
On Off Shore
Onshore
Onshore State Abbreviation
Tx
Onshore Postal Code
79730
Onshore City Name
Not Within A Municipality
Onshore County Name
Reeves
Designated Location
Not Applicable
Pipe Fac Name
Hamon Toro Field To Waha Plant
Segment Name
3175
Federal
No
Location Type
Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Onshore Compressor Station Equipment And Piping
Item Involved
Valve
Valve Type
Relief Valve
Installation Year
Unknown
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Relief Valve
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
447
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
15078
Est Cost Intentional Release
0
Est Cost Prop Damage
0
Est Cost Emergency
0
Est Cost Other
0
Gas Cost In Mcf
2.5
Prpty
15078
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
595
Gas Flow In Pipe In Mcf
7000
Mop Psig
1051
Mop Cfr Section
192.619(A)(3)
Maop Established Date
2023-05-15 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Gas Required Odorized Ind
No
Pipeline Function
Type C Gathering
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
Contractor Working For The Operator
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
Relief valve release gas.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Incident Cause
Cause Details
Unknown
Other Type
Unknown
Unknown Subtype
Still Under Investigation, Cause Of Incident To Be Determined* (*supplemental Report Required)
Preparer Name
G***** W*******
Preparer Title
Senior Engineer Pipeline Compliance
Preparer Email
G*********@e****.com
Preparer Telephone
(713) 381-6211
Local Contact Name
G***** W*******
Local Contact Email
G*********@e****.com
Local Contact Telephone
(713) 381-6211
Authorizer Name
G***** W*******
Authorizer Title
Senior Engineer Pipeline Compliance
Authorizer Telephone
(713) 381-6211
Authorizer Email
G*********@e****.com
Narrative
On 9-19-2025, a third party contractor was testing a relief valve at an enterprise compressor station. During the test, there was a failure, natural gas was released and some liquid product sprayed out across highway 285. At 11:59 am cst, an enterprise technician notified enterprise and called 911 to report the gas release to local emergency responders. At 12:12 pm, enterprise shut of gas flow to the pipeline. At 12:40 pm, enterprise isolated the relief valve. At 12:45 pm, enterprise determined that this event was an incident due to gas loss. The nrc and trrc was notified by enterprise of the incident. At 3:50 pm, an enterprise contractor started the cleaning of highway 285. At 8:30 pm, the contractor completed the cleanup and and highway 285 was opened by txdot in both directions. The pipeline was placed back into service on 9-19-2025.The relief valve is isolated and enterprise is investigating the incident.
Report Received Date 2025-10-17 00:00:00
Iyear 2025
Report Number 20250115
Supplemental Number 41476
Report Type Original
Operator Id 31618 PHMSA Enforcement
Name Enterprise Products Operating Llc
Operator Street Address 1100 Louisiana Street
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Local Datetime 2025-09-19 11:59:00
Time Zone Central
Daylight Savings Ind Yes
Location Latitude 31.1656 Google Maps OpenStreetMap
Location Longitude -103.2908 Google Maps OpenStreetMap
Nrc Rpt Num 1443176 NRC Report How to search
Nrc Rpt Datetime 2025-09-19 13:10:00
Additional Nrc Report Numbers 1443300
Commodity Released Type Natural Gas
Unintentional Release 6031
Intentional Release 0
Accompanying Liquid 20
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 2025-09-19 11:59:00
Restart Datetime 2025-09-19 20:11:00
Communication State Fed Ind Yes
Party Initiated Communication Operator
Initial Responder Com Datetime 2025-09-19 11:59:00
Ignite Ind No
Num Pub Evacuated 0
Incident Identified Datetime 2025-09-19 11:59:00
On Site Datetime 2025-09-19 11:59:00
Confirmed Discovery Datetime 2025-09-19 11:59:00
On Off Shore Onshore
Onshore State Abbreviation Tx
Onshore Postal Code 79730
Onshore City Name Not Within A Municipality
Onshore County Name Reeves
Designated Location Not Applicable
Pipe Fac Name Hamon Toro Field To Waha Plant
Segment Name 3175
Federal No
Location Type Operator-Controlled Property
Incident Area Type Aboveground
Incident Area Subtype Typical Aboveground Facility Piping Or Appurtenance
Crossing No
Pipe Facility Type Intrastate
System Part Involved Onshore Compressor Station Equipment And Piping
Item Involved Valve
Valve Type Relief Valve
Installation Year Unknown
Manufactured Year Unknown
Material Involved Carbon Steel
Release Type Other
Release Type Details Relief Valve
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 447
Heat Damage Ind No
Non Heat Damage Ind No
Did Occur In Mca Ind No
Est Cost Oper Paid 0
Est Cost Unintentional Release 15078
Est Cost Intentional Release 0
Est Cost Prop Damage 0
Est Cost Emergency 0
Est Cost Other 0
Gas Cost In Mcf 2.5
Prpty 15078
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 595
Gas Flow In Pipe In Mcf 7000
Mop Psig 1051
Mop Cfr Section 192.619(A)(3) View CFR 49 §192
Maop Established Date 2023-05-15 00:00:00
Maop Reversal Flow Ind No
Accident Pressure Pressure Did Not Exceed Maop
Pressure Restriction Ind No
Gas Required Odorized Ind No
Pipeline Function Type C Gathering
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 Contractor Working For The Operator
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 Relief valve release gas.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Other Incident Cause
Cause Details Unknown
Other Type Unknown
Unknown Subtype Still Under Investigation, Cause Of Incident To Be Determined* (*supplemental Report Required)
Preparer Name G***** W*******
Preparer Title Senior Engineer Pipeline Compliance
Preparer Email G*********@e****.com
Preparer Telephone (713) 381-6211
Local Contact Name G***** W*******
Local Contact Email G*********@e****.com
Local Contact Telephone (713) 381-6211
Authorizer Name G***** W*******
Authorizer Title Senior Engineer Pipeline Compliance
Authorizer Telephone (713) 381-6211
Authorizer Email G*********@e****.com
Narrative On 9-19-2025, a third party contractor was testing a relief valve at an enterprise compressor station. During the test, there was a failure, natural gas was released and some liquid product sprayed out across highway 285. At 11:59 am cst, an enterprise technician notified enterprise and called 911 to report the gas release to local emergency responders. At 12:12 pm, enterprise shut of gas flow to the pipeline. At 12:40 pm, enterprise isolated the relief valve. At 12:45 pm, enterprise determined that this event was an incident due to gas loss. The nrc and trrc was notified by enterprise of the incident. At 3:50 pm, an enterprise contractor started the cleaning of highway 285. At 8:30 pm, the contractor completed the cleanup and and highway 285 was opened by txdot in both directions. The pipeline was placed back into service on 9-19-2025.The relief valve is isolated and enterprise is investigating the incident.

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