Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2023-06-07 — TX
Operator
Exxonmobil Pipeline Company Llc
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$0
Incident datetime
2023-06-07 00:00 UTC
Report number
Location
TX
Narrative
Incident summary: on may 8, 2023, at 7:20 am, technician was completing a job walk for upcoming painting work, when he observed crude oil around the roof drains for tk-1997 ('tank') and inside of secondary containment within the dike wall. Agency notifications were timely made. The estimated release was 21.5 gallons (0.5 barrels) tank was visually inspected on may 1, 2023, and no oil observed. Tank was also gauged on may 4, 2023, and no oil observed. Root cause: investigation yielded that a previous historical repair of a corrosion pinhole using an epoxy type patch (belzona) had failed which led to the release from primary containment. Corrective/remedial actions & preventing re-occurrence: empco made the decision to decommission tk #1997 and perform an ahead of schedule API 653 out-of-service inspection and make the necessary permanent repair to the tank roof.
Detailed record list
Report Received Date
2023-06-07 00:00:00
Iyear
2023
Report Number
20230119
Supplemental Number
38239
Report Type
Supplemental Final
Operator Id
4906
Name
Exxonmobil Pipeline Company Llc
Operator Street Address
22777 Springwoods Village Parkway E2.2b-Emp
Operator City Name
Spring
Operator State Abbreviation
TX
Operator Postal Code
77389
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
29.520838
Location Longitude
-95.110297
Commodity Released Type
Crude Oil
Unintentional Release Bbls
0.5
Recovered Bbls
0.5
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 Breakout Tank Or Storage Vessel, Including Attached Appurtenances
On Off Shore
Onshore
Status When Identified
Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind
No
Shutdown Explain
The Release Occurred From An Existing Belzona Patch On The Roof Of Breakout Tank
Communication State Fed Ind
No
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Notify Qualified Indiv Ind
Yes
Oil Spill Removal Org Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Webster Station
Segment Name
Tank #1997
Onshore State Abbreviation
Tx
Onshore Postal Code
77598
Onshore City Name
Webster
Onshore County Name
Harris
Designated Location
Milepost
Designated Name
Tk #1997
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Tank, Including Attached Appurtenances
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Tank/vessel
Tank Vessel Subtype
Other
Tank Vessel Details
Tank Roof
Tank Type
Atmospheric
Safe Fill Level
35
Safe Fill Level Exceeded Ind
No
Api Std Out Of Service Year
2008
Api Std In Service Year
2023
Installation Year
Unknown
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Other
Leak Type Other
Existing Belzona Patch On Roof
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
Yes
High Pop Ind
Yes
High Pop Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
50
Est Cost Prop Damage
0
Est Cost Emergency
5000
Est Cost Environmental
10000
Est Cost Other
0
Prpty
15050
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
0.25
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
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
There was a leak on the tank roof. This did not involve any controller actions or control room alarms.
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
Atmosphere Corrosion Ind
Yes
Field Exam Basis Ind
Yes
Underground Location
No
Externally Coated
Yes
Prior Damage
Yes
Preparer Name
R***** P S**********
Preparer Title
Pipeline Safety Advisor
Preparer Email
R*******************@e*********.com
Preparer Telephone
618-267-9641
Prepared Date
2023-07-06 00:00:00
Local Contact Name
R***** P S**********
Local Contact Email
R*******************@e*********.com
Local Contact Telephone
618-267-9641
Authorizer Name
L**** B******
Authorizer Telephone
346-474-9151
Authorizer Title
Regulatory Compliance Supervisor
Authorizer Email
L**************@e*********.com
Narrative
Incident summary: on may 8, 2023, at 7:20 am, technician was completing a job walk for upcoming painting work, when he observed crude oil around the roof drains for tk-1997 ('tank') and inside of secondary containment within the dike wall. Agency notifications were timely made. The estimated release was 21.5 gallons (0.5 barrels) tank was visually inspected on may 1, 2023, and no oil observed. Tank was also gauged on may 4, 2023, and no oil observed. Root cause: investigation yielded that a previous historical repair of a corrosion pinhole using an epoxy type patch (belzona) had failed which led to the release from primary containment. Corrective/remedial actions & preventing re-occurrence: empco made the decision to decommission tk #1997 and perform an ahead of schedule API 653 out-of-service inspection and make the necessary permanent repair to the tank roof.
| Report Received Date | 2023-06-07 00:00:00 |
|---|---|
| Iyear | 2023 |
| Report Number | 20230119 |
| Supplemental Number | 38239 |
| Report Type | Supplemental Final |
| Operator Id | 4906 PHMSA Enforcement |
| Name | Exxonmobil Pipeline Company Llc |
| Operator Street Address | 22777 Springwoods Village Parkway E2.2b-Emp |
| Operator City Name | Spring |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77389 |
| Time Zone | Central |
| Daylight Savings Ind | Yes |
| Location Latitude | 29.520838 Google Maps OpenStreetMap |
| Location Longitude | -95.110297 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 0.5 |
| Recovered Bbls | 0.5 |
| 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 Breakout Tank Or Storage Vessel, Including Attached Appurtenances |
| On Off Shore | Onshore |
| Status When Identified | Normal Operation, Includes Pauses Between Batches And During Maintenance |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | The Release Occurred From An Existing Belzona Patch On The Roof Of Breakout Tank |
| Communication State Fed Ind | No |
| Nrc Rpt Num | Nrc Notification Not Required NRC Report How to search |
| Ignite Ind | No |
| Notify Qualified Indiv Ind | Yes |
| Oil Spill Removal Org Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Webster Station |
| Segment Name | Tank #1997 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77598 |
| Onshore City Name | Webster |
| Onshore County Name | Harris |
| Designated Location | Milepost |
| Designated Name | Tk #1997 |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Tank, Including Attached Appurtenances |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Tank/vessel |
| Tank Vessel Subtype | Other |
| Tank Vessel Details | Tank Roof |
| Tank Type | Atmospheric |
| Safe Fill Level | 35 |
| Safe Fill Level Exceeded Ind | No |
| Api Std Out Of Service Year | 2008 |
| Api Std In Service Year | 2023 |
| Installation Year | Unknown |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Existing Belzona Patch On Roof |
| 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 | Yes |
| High Pop Ind | Yes |
| High Pop Yes No | Yes |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 50 |
| Est Cost Prop Damage | 0 |
| Est Cost Emergency | 5000 |
| Est Cost Environmental | 10000 |
| Est Cost Other | 0 |
| Prpty | 15050 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Accident Psig | 0.25 |
| 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 | 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 | There was a leak on the tank roof. This did not involve any controller actions or control room alarms. |
| 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 |
| Atmosphere Corrosion Ind | Yes |
| Field Exam Basis Ind | Yes |
| Underground Location | No |
| Externally Coated | Yes |
| Prior Damage | Yes |
| Preparer Name | R***** P S********** |
| Preparer Title | Pipeline Safety Advisor |
| Preparer Email | R*******************@e*********.com |
| Preparer Telephone | 618-267-9641 |
| Prepared Date | 2023-07-06 00:00:00 |
| Local Contact Name | R***** P S********** |
| Local Contact Email | R*******************@e*********.com |
| Local Contact Telephone | 618-267-9641 |
| Authorizer Name | L**** B****** |
| Authorizer Telephone | 346-474-9151 |
| Authorizer Title | Regulatory Compliance Supervisor |
| Authorizer Email | L**************@e*********.com |
| Narrative | Incident summary: on may 8, 2023, at 7:20 am, technician was completing a job walk for upcoming painting work, when he observed crude oil around the roof drains for tk-1997 ('tank') and inside of secondary containment within the dike wall. Agency notifications were timely made. The estimated release was 21.5 gallons (0.5 barrels) tank was visually inspected on may 1, 2023, and no oil observed. Tank was also gauged on may 4, 2023, and no oil observed. Root cause: investigation yielded that a previous historical repair of a corrosion pinhole using an epoxy type patch (belzona) had failed which led to the release from primary containment. Corrective/remedial actions & preventing re-occurrence: empco made the decision to decommission tk #1997 and perform an ahead of schedule API 653 out-of-service inspection and make the necessary permanent repair to the tank roof. |
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