HL incident on 2024-09-04 — TX

Operator
Enterprise Products Operating Llc
Cause
Corrosion Failure
Commodity
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$128,000
Incident datetime
2024-09-04 00:00 UTC
Report number
Location
TX
Narrative
On 08/06/2024 at approximately 07:00 edst an enterprise technician at seymour terminal was performing maintenance when he found a leak off a 2" low-point drain line. In response, the line was isolated and drained. At 15:13 edst it was determined that remediation would exceed $50,000.00, and notification was made to the nrc. Approximately 6.4 barrels of isobutane and diluent transmix was released. All released material has been cleaned up and remediation was completed 8/28. Upon investigation it was determined that the drain line had leaked due to external corrosion. The drain line piping was replaced and has been returned to service. Nrc: #1407095 at 15:13 edst on 8/6/2024 48hr nrc: #1407291 at 11:28 edst on 8/8/2024
Detailed record list
Report Received Date
2024-09-04 00:00:00
Iyear
2024
Report Number
20240212
Supplemental Number
40114
Report Type
Supplemental Final
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
Time Zone
Eastern
Daylight Savings Ind
Yes
Location Latitude
Location Longitude
Commodity Released Type
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Commodity Subtype
Mixture Of Refined Products (Transmix Or Other Mixture)
Unintentional Release Bbls
6.4
Recovered Bbls
6.4
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
System Part Involved
Onshore Equipment And Piping Associated With Belowground Storage
On Off Shore
Onshore
Status When Identified
Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind
No
Shutdown Explain
Line Was Not Running And Between Deliveries.
Communication State Fed Ind
No
Nrc Rpt Num
Additional Nrc Report Numbers
1407291
Ignite Ind
No
Notify Qualified Indiv Ind
Yes
Oil Spill Removal Org Ind
Yes
Osro Arrived On Site Dt
8/6/2024 9:56
Num Pub Evacuated
0
Pipe Fac Name
Seymour Terminal
Segment Name
Inxx0632
Onshore State Abbreviation
In
Onshore Postal Code
47274
Onshore City Name
Seymour
Onshore County Name
Jackson
Designated Location
Milepost
Designated Name
0
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Underground
Incident Area Subtype
In Underground Enclosed Space (E.g. Vault)
Depth Of Cover
72
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Drain Lines
Installation Year
1975
Manufactured Year
1975
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
Yes
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
100
Est Cost Prop Damage
128000
Est Cost Emergency
122000
Est Cost Environmental
124000
Est Cost Other
0
Prpty
374100
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
15
Mop Psig
720
Mop Cfr Section
Component Design Pressure �195.406(A)(2)
Maop Established Date
1975-01-01 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
No
Cpm In Place 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
Controller actions did not contribute to incident.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
External Corrosion
Internal External
External Corrosion
Visual Exam Results
Localized Pitting
Galvanic Corrosion Ind
Yes
Field Exam Basis Ind
Yes
Underground Location
Yes
Under Cathodic Protection Ind
Yes
Cathodic Pro Start Year
1975
Shielding Evident
Yes
Cathodic Survey Type
Yes
Cp Annual Survey Ind
Yes
Cp Annual Survey Year
2024
Prior Damage
Yes
Preparer Name
R*** T********
Preparer Title
Senior Pipeline Compliance Engineer
Preparer Email
R*********@e****.com
Preparer Telephone
7133814659
Prepared Date
2024-10-16 00:00:00
Authorizer Name
R*** T********
Authorizer Telephone
7133814659
Authorizer Title
Senior Pipeline Compliance Engineer
Authorizer Email
R*********@e****.com
Narrative
On 08/06/2024 at approximately 07:00 edst an enterprise technician at seymour terminal was performing maintenance when he found a leak off a 2" low-point drain line. In response, the line was isolated and drained. At 15:13 edst it was determined that remediation would exceed $50,000.00, and notification was made to the nrc. Approximately 6.4 barrels of isobutane and diluent transmix was released. All released material has been cleaned up and remediation was completed 8/28. Upon investigation it was determined that the drain line had leaked due to external corrosion. The drain line piping was replaced and has been returned to service. Nrc: #1407095 at 15:13 edst on 8/6/2024 48hr nrc: #1407291 at 11:28 edst on 8/8/2024
Report Received Date 2024-09-04 00:00:00
Iyear 2024
Report Number 20240212
Supplemental Number 40114
Report Type Supplemental Final
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
Time Zone Eastern
Daylight Savings Ind Yes
Location Latitude 39.02647 Google Maps OpenStreetMap
Location Longitude -85.84977 Google Maps OpenStreetMap
Commodity Released Type Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Commodity Subtype Mixture Of Refined Products (Transmix Or Other Mixture)
Unintentional Release Bbls 6.4
Recovered Bbls 6.4
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Local Operating Personnel, Including Contractors
Operator Type Operator Employee
System Part Involved Onshore Equipment And Piping Associated With Belowground Storage
On Off Shore Onshore
Status When Identified Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind No
Shutdown Explain Line Was Not Running And Between Deliveries.
Communication State Fed Ind No
Nrc Rpt Num 1407095 NRC Report How to search
Additional Nrc Report Numbers 1407291
Ignite Ind No
Notify Qualified Indiv Ind Yes
Oil Spill Removal Org Ind Yes
Osro Arrived On Site Dt 8/6/2024 9:56
Num Pub Evacuated 0
Pipe Fac Name Seymour Terminal
Segment Name Inxx0632
Onshore State Abbreviation In
Onshore Postal Code 47274
Onshore City Name Seymour
Onshore County Name Jackson
Designated Location Milepost
Designated Name 0
Federal No
Location Type Totally Contained On Operator-Controlled Property
Incident Area Type Underground
Incident Area Subtype In Underground Enclosed Space (E.g. Vault)
Depth Of Cover 72
Crossing No
Pipe Facility Type Interstate
Item Involved Drain Lines
Installation Year 1975
Manufactured Year 1975
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
Wildlife Impact Ind No
Soil Contamination Yes
Long Term Assessment Yes
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 100
Est Cost Prop Damage 128000
Est Cost Emergency 122000
Est Cost Environmental 124000
Est Cost Other 0
Prpty 374100
Num Persons Hosp Not Ovnght 0
Num Injured Treated By Emt 0
Num Resident Building Affctd 0
Num Business Building Affctd 0
Accident Psig 15
Mop Psig 720
Mop Cfr Section Component Design Pressure �195.406(A)(2) View CFR 49 §192
Maop Established Date 1975-01-01 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 No
Cpm In Place 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 Controller actions did not contribute to incident.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Corrosion Failure
Cause Details External Corrosion
Internal External External Corrosion
Visual Exam Results Localized Pitting
Galvanic Corrosion Ind Yes
Field Exam Basis Ind Yes
Underground Location Yes
Under Cathodic Protection Ind Yes
Cathodic Pro Start Year 1975
Shielding Evident Yes
Cathodic Survey Type Yes
Cp Annual Survey Ind Yes
Cp Annual Survey Year 2024
Prior Damage Yes
Preparer Name R*** T********
Preparer Title Senior Pipeline Compliance Engineer
Preparer Email R*********@e****.com
Preparer Telephone 7133814659
Prepared Date 2024-10-16 00:00:00
Authorizer Name R*** T********
Authorizer Telephone 7133814659
Authorizer Title Senior Pipeline Compliance Engineer
Authorizer Email R*********@e****.com
Narrative On 08/06/2024 at approximately 07:00 edst an enterprise technician at seymour terminal was performing maintenance when he found a leak off a 2" low-point drain line. In response, the line was isolated and drained. At 15:13 edst it was determined that remediation would exceed $50,000.00, and notification was made to the nrc. Approximately 6.4 barrels of isobutane and diluent transmix was released. All released material has been cleaned up and remediation was completed 8/28. Upon investigation it was determined that the drain line had leaked due to external corrosion. The drain line piping was replaced and has been returned to service. Nrc: #1407095 at 15:13 edst on 8/6/2024 48hr nrc: #1407291 at 11:28 edst on 8/8/2024

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