HL incident on 2025-09-08 — TX

Operator
Enterprise Crude Pipeline Llc
Cause
Equipment Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$500
Incident datetime
2025-09-08 00:25
Report number
Location
TX
Narrative
On 9/8/2025 at 12:20 am cst enterprise pipeline operator discovered a crude release on nipple thread-o-let on tank 300-3 lateral at houston ship channel. The leak was immediately isolated. Approximately 11 barrels of crude oil was released. All remediation has been completed. Upon further investigation, it was determined that internal corrosion caused the crude oil release. The section of pipe has been disconnected and removed.
Detailed record list
Report Received Date
2025-10-08 00:00:00
Iyear
2025
Report Number
20250239
Supplemental Number
41590
Report Type
Supplemental Final
Operator Id
Name
Enterprise Crude Pipeline Llc
Operator Street Address
1100 Louisiana Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2025-09-08 00:25:00
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
Location Longitude
Commodity Released Type
Crude Oil
Unintentional Release Bbls
11
Recovered Bbls
11
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2025-09-08 00:25:00
System Part Involved
Onshore Terminal/tank Farm Equipment And Piping
On Off Shore
Onshore
Status When Identified
Routine Shutdown
Communication State Fed Ind
No
On Site Datetime
2025-09-08 00:25:00
Confirmed Discovery Datetime
2025-09-08 00:25:00
Nrc Rpt Datetime
2025-09-08 00:39:00
Nrc Rpt Num
Additional Nrc Report Numbers
1442267
Ignite Ind
No
Notify Qualified Indiv Ind
Yes
Qualified Indiv Notif Datetime
2025-09-08 00:30:00
Oil Spill Removal Org Ind
Yes
Osro Activated Datetime
2025-09-08 00:30:00
Osro Arrived On Site Dt
9/8/2025 0:50
Num Pub Evacuated
0
Pipe Fac Name
Houston Ship Channel
Segment Name
Tank 300-3 Lateral
Onshore State Abbreviation
Tx
Onshore Postal Code
77015
Onshore City Name
Houston
Onshore County Name
Harris
Designated Location
Milepost
Designated Name
0+0.00
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Tap Fitting(Stopple, Thread-O-Ring, Weld-O-Let, Etc.)
Installation Year
Unknown
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
No
Remediation Ind
Yes
Soil Remed Ind
Yes
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
700
Est Cost Prop Damage
500
Est Cost Emergency
67000
Est Cost Environmental
35000
Est Cost Other
0
Prpty
103200
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
0
Mop Psig
285
Mop Cfr Section
Four Hour Test Or Operation �195.406(A)(5)
Maop Established Date
2015-01-15 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Pipeline Function
> 20% Smys Regulated Transmission
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Cpm In Place Ind
Yes
Cpm Operating Ind
Yes
Cpm Functional Ind
Yes
Cpm Detection Ind
No
Cpm Conf Ind
No
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
Release caused by internal corrosion.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Threaded Connection/coupling Failure
Internal External
External Corrosion
Visual Exam Results
General Corrosion
Atmosphere Corrosion Ind
Yes
Field Exam Basis Ind
Yes
Underground Location
No
Externally Coated
No
Prior Damage
N/a Bare/ineffectively Coated Pipe
Eq Failure Type
Threaded Connection/coupling Failure
Other Stripped Ind
Threaded Fitting
Eq Additional Other Ind
Yes
Eq Additional Other Details
Crude Release Caused By Internal Corrosion.
Extrnl Cor Atmospheric Ind
Yes
Intrnl Cor Corrosive Cmdty Ind
Yes
Preparer Name
M****** K********
Preparer Title
Pipeline Compliance Engineer
Preparer Email
M*********@e****.com
Preparer Telephone
713-376-9799
Prepared Date
2025-11-14 00:00:00
Local Contact Name
M****** K********
Local Contact Email
M*********@e****.com
Local Contact Telephone
713-376-9799
Authorizer Name
S**** D****
Authorizer Telephone
713-381-5585
Authorizer Title
Senior Compliance Manager
Authorizer Email
S******@e****.com
Narrative
On 9/8/2025 at 12:20 am cst enterprise pipeline operator discovered a crude release on nipple thread-o-let on tank 300-3 lateral at houston ship channel. The leak was immediately isolated. Approximately 11 barrels of crude oil was released. All remediation has been completed. Upon further investigation, it was determined that internal corrosion caused the crude oil release. The section of pipe has been disconnected and removed.
Report Received Date 2025-10-08 00:00:00
Iyear 2025
Report Number 20250239
Supplemental Number 41590
Report Type Supplemental Final
Operator Id 30829 PHMSA Enforcement
Name Enterprise Crude Pipeline Llc
Operator Street Address 1100 Louisiana Street
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Local Datetime 2025-09-08 00:25:00
Time Zone Central
Daylight Savings Ind Yes
Location Latitude 29.743056 Google Maps OpenStreetMap
Location Longitude -95.128333 Google Maps OpenStreetMap
Commodity Released Type Crude Oil
Unintentional Release Bbls 11
Recovered Bbls 11
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Local Operating Personnel, Including Contractors
Operator Type Operator Employee
Incident Identified Datetime 2025-09-08 00:25:00
System Part Involved Onshore Terminal/tank Farm Equipment And Piping
On Off Shore Onshore
Status When Identified Routine Shutdown
Communication State Fed Ind No
On Site Datetime 2025-09-08 00:25:00
Confirmed Discovery Datetime 2025-09-08 00:25:00
Nrc Rpt Datetime 2025-09-08 00:39:00
Nrc Rpt Num 1442084 NRC Report How to search
Additional Nrc Report Numbers 1442267
Ignite Ind No
Notify Qualified Indiv Ind Yes
Qualified Indiv Notif Datetime 2025-09-08 00:30:00
Oil Spill Removal Org Ind Yes
Osro Activated Datetime 2025-09-08 00:30:00
Osro Arrived On Site Dt 9/8/2025 0:50
Num Pub Evacuated 0
Pipe Fac Name Houston Ship Channel
Segment Name Tank 300-3 Lateral
Onshore State Abbreviation Tx
Onshore Postal Code 77015
Onshore City Name Houston
Onshore County Name Harris
Designated Location Milepost
Designated Name 0+0.00
Federal No
Location Type Totally Contained On Operator-Controlled Property
Incident Area Type Aboveground
Incident Area Subtype Typical Aboveground Facility Piping Or Appurtenance
Crossing No
Pipe Facility Type Intrastate
Item Involved Tap Fitting(Stopple, Thread-O-Ring, Weld-O-Let, Etc.)
Installation Year Unknown
Manufactured Year Unknown
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
Wildlife Impact Ind No
Soil Contamination Yes
Long Term Assessment No
Remediation Ind Yes
Soil Remed Ind Yes
Water Contam Ind No
Could Be Hca Yes
Commodity Reached Hca No
Est Cost Oper Paid 0
Est Cost Gas Released 700
Est Cost Prop Damage 500
Est Cost Emergency 67000
Est Cost Environmental 35000
Est Cost Other 0
Prpty 103200
Num Persons Hosp Not Ovnght 0
Num Injured Treated By Emt 0
Num Resident Building Affctd 0
Num Business Building Affctd 0
Accident Psig 0
Mop Psig 285
Mop Cfr Section Four Hour Test Or Operation �195.406(A)(5) View CFR 49 §192
Maop Established Date 2015-01-15 00:00:00
Maop Reversal Flow Ind No
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
Pipeline Function > 20% Smys Regulated Transmission
Scada In Place Ind Yes
Scada Operating Ind Yes
Scada Functional Ind Yes
Scada Detection Ind No
Scada Conf Ind No
Cpm In Place Ind Yes
Cpm Operating Ind Yes
Cpm Functional Ind Yes
Cpm Detection Ind No
Cpm Conf Ind No
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 Release caused by internal corrosion.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Equipment Failure
Cause Details Threaded Connection/coupling Failure
Internal External External Corrosion
Visual Exam Results General Corrosion
Atmosphere Corrosion Ind Yes
Field Exam Basis Ind Yes
Underground Location No
Externally Coated No
Prior Damage N/a Bare/ineffectively Coated Pipe
Eq Failure Type Threaded Connection/coupling Failure
Other Stripped Ind Threaded Fitting
Eq Additional Other Ind Yes
Eq Additional Other Details Crude Release Caused By Internal Corrosion.
Extrnl Cor Atmospheric Ind Yes
Intrnl Cor Corrosive Cmdty Ind Yes
Preparer Name M****** K********
Preparer Title Pipeline Compliance Engineer
Preparer Email M*********@e****.com
Preparer Telephone 713-376-9799
Prepared Date 2025-11-14 00:00:00
Local Contact Name M****** K********
Local Contact Email M*********@e****.com
Local Contact Telephone 713-376-9799
Authorizer Name S**** D****
Authorizer Telephone 713-381-5585
Authorizer Title Senior Compliance Manager
Authorizer Email S******@e****.com
Narrative On 9/8/2025 at 12:20 am cst enterprise pipeline operator discovered a crude release on nipple thread-o-let on tank 300-3 lateral at houston ship channel. The leak was immediately isolated. Approximately 11 barrels of crude oil was released. All remediation has been completed. Upon further investigation, it was determined that internal corrosion caused the crude oil release. The section of pipe has been disconnected and removed.

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