Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2024-05-23 — TX
Operator
Enbridge Ingleside, Llc
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$147,521
Incident datetime
2024-05-23 00:00 UTC
Report number
Location
TX
Narrative
At 10:00 am cdt on april 24, 2024, while in the process of performing an anomaly dig at mp 0.7006 on line 42, a small amount of crude oil was discovered. The line was already down and isolated before the excavation began. Once crude oil was discovered, the excavation area was evacuated, and additional valve closures were implemented to minimize any potential drain down. Operations personnel were already on site to begin investigation and cleanup efforts. In a short time, the bell hole gave way and flooded with surrounding standing water from previous rainfall. More equipment was brought in to aid in further investigating the source of the release. Water was removed from the excavation area, then a through-wall pinhole was revealed while preparing the anomaly site for ndt. A repair clamp was installed. Approximately one gallon of crude oil was released and contained within the excavation area. The railroad commission of texas was notified on april 24, 2024, at 10:53 am cdt. The nrc was notified on april 24, 2024, at 10:57 am cdt (nrc# 1397210). A 48-hour update to the nrc was made on april 26, 2024, at 10:22 am cdt (nrc# 1397390). The dig at mp 0.7006 was driven by the november 14, 2023, metal loss in-line inspection of the viola to taft portion of line 42. The excavation and subsequent examination of the pipe revealed a small leaking feature that corresponded to the target ili feature call. The results of the investigation identified metal lose due to internal corrosion from microbially induced factors. Line 42 remains out of service due to additional ili features. The actual volume released at mp 0.7006 was 0.02 barrels. The PHMSA portal does not recognize volumes less than 0.1 barrels therefore that is the volume entered in part a.
Detailed record list
Report Received Date
2024-05-23 00:00:00
Iyear
2024
Report Number
20240125
Supplemental Number
40133
Report Type
Supplemental Final
Operator Id
39474
Name
Enbridge Ingleside, Llc
Operator Street Address
915 N. Eldridge Parkway Suite 1100
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77079
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
27.831261
Location Longitude
-97.516169
Commodity Released Type
Crude Oil
Unintentional Release Bbls
0.1
Recovered Bbls
0.1
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Contractor Working For The Operator
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Status When Identified
Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind
No
Shutdown Explain
There Was No Flow Scheduled At The Time Of The Accident
Communication State Fed Ind
No
Nrc Rpt Num
1397210
Additional Nrc Report Numbers
1397390
Ignite Ind
No
Upstream Action Taken
Valve Closure
Upstream Valve Type Ind
Remotely Controlled
Downstream Action Taken
Valve Closure
Downstream Valve Type Ind
Remotely Controlled
Notify Qualified Indiv Ind
Yes
Oil Spill Removal Org Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Line 42
Segment Name
Viola To Taft
Onshore State Abbreviation
Tx
Onshore Postal Code
78409
Onshore City Name
Corpus Christi
Onshore County Name
Nueces
Designated Location
Milepost
Designated Name
0.7006
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
54
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Weld, Including Heat-Affected Zone
Pipe Diameter
20
Pipe Wall Thickness
0.375
Pipe Smys
60000
Pipe Specification
X-60 Api 5l
Pipe Seam Type
Erw - High Frequency
Pipe Manufacturer
Hyundai
Pipe Coating Type
Fusion Bonded Epoxy(Fbe)
Coating Applied Ind
No
Weld Subtype
Pipe Girth Weld
Different Girth Weld Ind
No
Installation Year
2016
Manufactured Year
2015
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
2
Est Cost Prop Damage
147521
Est Cost Emergency
0
Est Cost Environmental
4557
Est Cost Other
0
Prpty
152080
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
1480
Mop Cfr Section
Subpart E Pressure Test �195.406(A)(3)
Maop Established Date
2015-04-01 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
20092
Internal Inspection Ind
Yes
Operation Complications 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
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
Lack of control center involvement
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
Not Cut Open
Int Microbiological Ind
Yes
Int Other Basis Ind
Yes
Int Corrosion Basis Details
Corrosivity Study Of Commodity
Int Low Point Pipe Loc Ind
Yes
Corrosion Inhibitors
Yes
Corrosion Lining
No
Cleaning Dewatering
Yes
Corrosion Coupons
Yes
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Geometry Deformation Ind
Yes
Axial Recent Year
2023
Axial Rcnt Propul Method
Free Swimming
Axial Rcnt Attuned Detect
Metal Loss
Axial Rcnt Atnd Dtct Metal
High Resolution
Axial Previous Year
2020
Axial Prev Propul Method
Free Swimming
Axial Prev Attuned Detect
Metal Loss
Axial Prev Atnd Dtct Metal
High Resolution
Geometry Recent Year
2023
Geometry Rcnt Propul Method
Free Swimming
Geometry Rcnt Resolution
High Resolution
Geometrt Rcnt Measur Cups
Inside Ili Cups
Geometry Previous Year
2020
Geometry Prev Propul Method
Free Swimming
Geometry Prev Resolution
High Resolution
Geometrt Prev Measur Cups
Inside Ili Cups
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
S**** S****
Preparer Title
Advisor Regulatory Compliance
Preparer Email
S**********@e*******.com
Preparer Telephone
7153953620
Prepared Date
2024-10-22 00:00:00
Authorizer Name
S**** D*****
Authorizer Telephone
7153941584
Authorizer Title
Supervisor Regulatory Compliance
Authorizer Email
L***************@e*******.com
Narrative
At 10:00 am cdt on april 24, 2024, while in the process of performing an anomaly dig at mp 0.7006 on line 42, a small amount of crude oil was discovered. The line was already down and isolated before the excavation began. Once crude oil was discovered, the excavation area was evacuated, and additional valve closures were implemented to minimize any potential drain down. Operations personnel were already on site to begin investigation and cleanup efforts. In a short time, the bell hole gave way and flooded with surrounding standing water from previous rainfall. More equipment was brought in to aid in further investigating the source of the release. Water was removed from the excavation area, then a through-wall pinhole was revealed while preparing the anomaly site for ndt. A repair clamp was installed. Approximately one gallon of crude oil was released and contained within the excavation area. The railroad commission of texas was notified on april 24, 2024, at 10:53 am cdt. The nrc was notified on april 24, 2024, at 10:57 am cdt (nrc# 1397210). A 48-hour update to the nrc was made on april 26, 2024, at 10:22 am cdt (nrc# 1397390). The dig at mp 0.7006 was driven by the november 14, 2023, metal loss in-line inspection of the viola to taft portion of line 42. The excavation and subsequent examination of the pipe revealed a small leaking feature that corresponded to the target ili feature call. The results of the investigation identified metal lose due to internal corrosion from microbially induced factors. Line 42 remains out of service due to additional ili features. The actual volume released at mp 0.7006 was 0.02 barrels. The PHMSA portal does not recognize volumes less than 0.1 barrels therefore that is the volume entered in part a.
| Report Received Date | 2024-05-23 00:00:00 |
|---|---|
| Iyear | 2024 |
| Report Number | 20240125 |
| Supplemental Number | 40133 |
| Report Type | Supplemental Final |
| Operator Id | 39474 PHMSA Enforcement |
| Name | Enbridge Ingleside, Llc |
| Operator Street Address | 915 N. Eldridge Parkway Suite 1100 |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77079 |
| Time Zone | Central |
| Daylight Savings Ind | Yes |
| Location Latitude | 27.831261 Google Maps OpenStreetMap |
| Location Longitude | -97.516169 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 0.1 |
| Recovered Bbls | 0.1 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Contractor Working For The Operator |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Status When Identified | Normal Operation, Includes Pauses Between Batches And During Maintenance |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | There Was No Flow Scheduled At The Time Of The Accident |
| Communication State Fed Ind | No |
| Nrc Rpt Num | 1397210 NRC Report How to search |
| Additional Nrc Report Numbers | 1397390 |
| Ignite Ind | No |
| Upstream Action Taken | Valve Closure |
| Upstream Valve Type Ind | Remotely Controlled |
| Downstream Action Taken | Valve Closure |
| Downstream Valve Type Ind | Remotely Controlled |
| Notify Qualified Indiv Ind | Yes |
| Oil Spill Removal Org Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Line 42 |
| Segment Name | Viola To Taft |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 78409 |
| Onshore City Name | Corpus Christi |
| Onshore County Name | Nueces |
| Designated Location | Milepost |
| Designated Name | 0.7006 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 54 |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| Item Involved | Weld, Including Heat-Affected Zone |
| Pipe Diameter | 20 |
| Pipe Wall Thickness | 0.375 |
| Pipe Smys | 60000 |
| Pipe Specification | X-60 Api 5l |
| Pipe Seam Type | Erw - High Frequency |
| Pipe Manufacturer | Hyundai |
| Pipe Coating Type | Fusion Bonded Epoxy(Fbe) |
| Coating Applied Ind | No |
| Weld Subtype | Pipe Girth Weld |
| Different Girth Weld Ind | No |
| Installation Year | 2016 |
| Manufactured Year | 2015 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Pinhole |
| Wildlife Impact Ind | No |
| Soil Contamination | Yes |
| Long Term Assessment | No |
| Remediation Ind | No |
| Water Contam Ind | No |
| Could Be Hca | Yes |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 2 |
| Est Cost Prop Damage | 147521 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 4557 |
| Est Cost Other | 0 |
| Prpty | 152080 |
| 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 | 1480 |
| Mop Cfr Section | Subpart E Pressure Test �195.406(A)(3) View CFR 49 §192 |
| Maop Established Date | 2015-04-01 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 20092 |
| Internal Inspection Ind | Yes |
| Operation Complications 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 | 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 | Lack of control center involvement |
| 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 | Not Cut Open |
| Int Microbiological Ind | Yes |
| Int Other Basis Ind | Yes |
| Int Corrosion Basis Details | Corrosivity Study Of Commodity |
| Int Low Point Pipe Loc Ind | Yes |
| Corrosion Inhibitors | Yes |
| Corrosion Lining | No |
| Cleaning Dewatering | Yes |
| Corrosion Coupons | Yes |
| Collected Data Ind | Yes |
| Axial Magnetic Flx Lkg Ind | Yes |
| Geometry Deformation Ind | Yes |
| Axial Recent Year | 2023 |
| Axial Rcnt Propul Method | Free Swimming |
| Axial Rcnt Attuned Detect | Metal Loss |
| Axial Rcnt Atnd Dtct Metal | High Resolution |
| Axial Previous Year | 2020 |
| Axial Prev Propul Method | Free Swimming |
| Axial Prev Attuned Detect | Metal Loss |
| Axial Prev Atnd Dtct Metal | High Resolution |
| Geometry Recent Year | 2023 |
| Geometry Rcnt Propul Method | Free Swimming |
| Geometry Rcnt Resolution | High Resolution |
| Geometrt Rcnt Measur Cups | Inside Ili Cups |
| Geometry Previous Year | 2020 |
| Geometry Prev Propul Method | Free Swimming |
| Geometry Prev Resolution | High Resolution |
| Geometrt Prev Measur Cups | Inside Ili Cups |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | S**** S**** |
| Preparer Title | Advisor Regulatory Compliance |
| Preparer Email | S**********@e*******.com |
| Preparer Telephone | 7153953620 |
| Prepared Date | 2024-10-22 00:00:00 |
| Authorizer Name | S**** D***** |
| Authorizer Telephone | 7153941584 |
| Authorizer Title | Supervisor Regulatory Compliance |
| Authorizer Email | L***************@e*******.com |
| Narrative | At 10:00 am cdt on april 24, 2024, while in the process of performing an anomaly dig at mp 0.7006 on line 42, a small amount of crude oil was discovered. The line was already down and isolated before the excavation began. Once crude oil was discovered, the excavation area was evacuated, and additional valve closures were implemented to minimize any potential drain down. Operations personnel were already on site to begin investigation and cleanup efforts. In a short time, the bell hole gave way and flooded with surrounding standing water from previous rainfall. More equipment was brought in to aid in further investigating the source of the release. Water was removed from the excavation area, then a through-wall pinhole was revealed while preparing the anomaly site for ndt. A repair clamp was installed. Approximately one gallon of crude oil was released and contained within the excavation area. The railroad commission of texas was notified on april 24, 2024, at 10:53 am cdt. The nrc was notified on april 24, 2024, at 10:57 am cdt (nrc# 1397210). A 48-hour update to the nrc was made on april 26, 2024, at 10:22 am cdt (nrc# 1397390). The dig at mp 0.7006 was driven by the november 14, 2023, metal loss in-line inspection of the viola to taft portion of line 42. The excavation and subsequent examination of the pipe revealed a small leaking feature that corresponded to the target ili feature call. The results of the investigation identified metal lose due to internal corrosion from microbially induced factors. Line 42 remains out of service due to additional ili features. The actual volume released at mp 0.7006 was 0.02 barrels. The PHMSA portal does not recognize volumes less than 0.1 barrels therefore that is the volume entered in part a. |
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