Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2018-10-01 — TX
Operator
Centurion Pipeline L.p.
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$0
Incident datetime
2018-10-01 11:25
Report number
Location
TX
Narrative
On october 1, 2018, at approximately 11:25 am, a centurion pipeline l.P. (cpl) employee identified a leak at post station near post, texas, in garza county, texas. Cpl immediately shut down the station and secured the release. After excavation, cpl determined the source of crude oil to be the 6'' pressure relief line. Cpl installed a bolt-on repair sleeve and restarted the station at 4:40 pm on october 1, 2018. Approximately 114.8 barrels of crude oil were released within the cpl-controlled station; however, the crude oil flowed out of the station and into an adjacent ephemeral creek bed. Cpl immediately remediated the ephemeral creek bed, and remediation efforts to remove the crude oil from the station soil remain ongoing. No injuries, fatalities, or fires were associated with this accident. The national response center (nrc) report numbers corresponding to the updates concerning this accident are 1226230 and 1226389. At the time of this submittal, the root cause analysis of the failure has not yet been completed. For the purpose of submitting this original accident report, cpl selected "corrosion failure" and a sub-cause of "internal corrosion." however, cpl will remove the failed section of pipe for further analysis and will submit a supplemental report containing the results of the failure investigation once completed. The supplemental report will also contain the amount of oil recovered during continued remediation, the remaining cost accruals associated with this accident, and any necessary preventative maintenance measures. Supplemental final report filed on december 18, 2018: the following updates are included in this supplemental/final report: 1. The volume of commodity recovered in question a11 is updated to reflect the completed remediation efforts. All product has been recovered from the environment. 2. During the root cause analysis, cpl determined that the apparent cause of failure is internal corrosion. Question c6 is updated to describe the type of accident as a leak due to a through-wall pit as a result of microbiologically induced corrosion (mic). 3. The remaining cost accruals and adjustments are accounted for in question d8. 4. During the internal pipe inspection of the failure, cpl identified localized pitting and determined the pit morphology is indicative of mic. Question g1-6 is updated to reflect the identification of localized pitting, and question g1-7 is updated to include microbiological as the type of corrosion related to this accident. In order to prevent similar accidents from occurring, cpl replaced the relief line with internally coated pipe. All repairs and remediation related to this accident are complete.
Detailed record list
Report Received Date
2018-10-18 00:00:00
Iyear
2018
Report Number
20180317
Supplemental Number
31345
Report Type
Supplemental Final
Operator Id
31888
Name
Centurion Pipeline L.p.
Operator Street Address
5 Greenway Plaza, Suite 1600
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77046-7570
Local Datetime
2018-10-01 11:30:00
Location Latitude
33.15213
Location Longitude
-101.37278
Commodity Released Type
Crude Oil
Unintentional Release Bbls
114.8
Recovered Bbls
114.8
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2018-10-01 11:25:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2018-10-01 11:25:00
Restart Datetime
2018-10-01 16:40:00
On Site Datetime
2018-10-01 11:25:00
Nrc Rpt Datetime
2018-10-01 12:06:00
Nrc Rpt Num
1226202
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Post Station
Segment Name
Post Station Relief Line
Onshore State Abbreviation
Tx
Onshore Postal Code
79356
Onshore City Name
Not Within A Municipality
Onshore County Name
Garza
Designated Location
Milepost/valve Station
Designated Name
Relief Line
Federal
No
Location Type
Originated On Operator-Controlled Property, But Then Flowed Or Migrated Off The Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
36
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
6
Pipe Wall Thickness
0.28
Pipe Smys
52000
Pipe Specification
Api 5l X52
Pipe Seam Type
Erw - High Frequency
Pipe Manufacturer
Tex-Tube
Pipe Coating Type
Fusion Bonded Epoxy(Fbe)
Installation Year
2016
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Other
Leak Type Other
Through-Wall Pit Due To Mic
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
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
3374
Est Cost Prop Damage
0
Est Cost Emergency
17539
Est Cost Environmental
113034
Est Cost Other
0
Prpty
133947
Accident Psig
35
Mop Psig
285
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
No
Investigation Status
Yes, specify investigation result(s): (select all that apply)
Invest No Control Room Ind
Yes
Invest No Controller Ind
Yes
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
Localized Pitting
Int Water Acid Ind
Yes
Int Microbiological Ind
Yes
Int Field Exam Basis Ind
Yes
Int Low Point Pipe Loc Ind
Yes
Corrosion Inhibitors
Yes
Corrosion Lining
No
Cleaning Dewatering
No
Corrosion Coupons
Yes
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
J***** M* M********
Preparer Title
Project Engineer - Pipeline Compliance
Preparer Email
J***************@o**.com
Preparer Telephone
713-552-8915
Prepared Date
2018-12-18 00:00:00
Authorizer Name
D**** M****
Authorizer Telephone
713-366-5130
Authorizer Title
Pipeline Compliance Regulatory Consultant
Authorizer Email
D**********@o**.com
Narrative
On october 1, 2018, at approximately 11:25 am, a centurion pipeline l.P. (cpl) employee identified a leak at post station near post, texas, in garza county, texas. Cpl immediately shut down the station and secured the release. After excavation, cpl determined the source of crude oil to be the 6'' pressure relief line. Cpl installed a bolt-on repair sleeve and restarted the station at 4:40 pm on october 1, 2018. Approximately 114.8 barrels of crude oil were released within the cpl-controlled station; however, the crude oil flowed out of the station and into an adjacent ephemeral creek bed. Cpl immediately remediated the ephemeral creek bed, and remediation efforts to remove the crude oil from the station soil remain ongoing. No injuries, fatalities, or fires were associated with this accident. The national response center (nrc) report numbers corresponding to the updates concerning this accident are 1226230 and 1226389. At the time of this submittal, the root cause analysis of the failure has not yet been completed. For the purpose of submitting this original accident report, cpl selected "corrosion failure" and a sub-cause of "internal corrosion." however, cpl will remove the failed section of pipe for further analysis and will submit a supplemental report containing the results of the failure investigation once completed. The supplemental report will also contain the amount of oil recovered during continued remediation, the remaining cost accruals associated with this accident, and any necessary preventative maintenance measures. Supplemental final report filed on december 18, 2018: the following updates are included in this supplemental/final report: 1. The volume of commodity recovered in question a11 is updated to reflect the completed remediation efforts. All product has been recovered from the environment. 2. During the root cause analysis, cpl determined that the apparent cause of failure is internal corrosion. Question c6 is updated to describe the type of accident as a leak due to a through-wall pit as a result of microbiologically induced corrosion (mic). 3. The remaining cost accruals and adjustments are accounted for in question d8. 4. During the internal pipe inspection of the failure, cpl identified localized pitting and determined the pit morphology is indicative of mic. Question g1-6 is updated to reflect the identification of localized pitting, and question g1-7 is updated to include microbiological as the type of corrosion related to this accident. In order to prevent similar accidents from occurring, cpl replaced the relief line with internally coated pipe. All repairs and remediation related to this accident are complete.
| Report Received Date | 2018-10-18 00:00:00 |
|---|---|
| Iyear | 2018 |
| Report Number | 20180317 |
| Supplemental Number | 31345 |
| Report Type | Supplemental Final |
| Operator Id | 31888 PHMSA Enforcement |
| Name | Centurion Pipeline L.p. |
| Operator Street Address | 5 Greenway Plaza, Suite 1600 |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77046-7570 |
| Local Datetime | 2018-10-01 11:30:00 |
| Location Latitude | 33.15213 Google Maps OpenStreetMap |
| Location Longitude | -101.37278 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 114.8 |
| Recovered Bbls | 114.8 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2018-10-01 11:25:00 |
| System Part Involved | Onshore Pump/meter Station Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2018-10-01 11:25:00 |
| Restart Datetime | 2018-10-01 16:40:00 |
| On Site Datetime | 2018-10-01 11:25:00 |
| Nrc Rpt Datetime | 2018-10-01 12:06:00 |
| Nrc Rpt Num | 1226202 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Post Station |
| Segment Name | Post Station Relief Line |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 79356 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Garza |
| Designated Location | Milepost/valve Station |
| Designated Name | Relief Line |
| Federal | No |
| Location Type | Originated On Operator-Controlled Property, But Then Flowed Or Migrated Off The Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 36 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 6 |
| Pipe Wall Thickness | 0.28 |
| Pipe Smys | 52000 |
| Pipe Specification | Api 5l X52 |
| Pipe Seam Type | Erw - High Frequency |
| Pipe Manufacturer | Tex-Tube |
| Pipe Coating Type | Fusion Bonded Epoxy(Fbe) |
| Installation Year | 2016 |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Through-Wall Pit Due To Mic |
| 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 | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 3374 |
| Est Cost Prop Damage | 0 |
| Est Cost Emergency | 17539 |
| Est Cost Environmental | 113034 |
| Est Cost Other | 0 |
| Prpty | 133947 |
| Accident Psig | 35 |
| Mop Psig | 285 |
| 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 | No |
| Investigation Status | Yes, specify investigation result(s): (select all that apply) |
| Invest No Control Room Ind | Yes |
| Invest No Controller Ind | Yes |
| 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 | Localized Pitting |
| Int Water Acid Ind | Yes |
| Int Microbiological Ind | Yes |
| Int Field Exam Basis Ind | Yes |
| Int Low Point Pipe Loc Ind | Yes |
| Corrosion Inhibitors | Yes |
| Corrosion Lining | No |
| Cleaning Dewatering | No |
| Corrosion Coupons | Yes |
| Collected Data Ind | No |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | J***** M* M******** |
| Preparer Title | Project Engineer - Pipeline Compliance |
| Preparer Email | J***************@o**.com |
| Preparer Telephone | 713-552-8915 |
| Prepared Date | 2018-12-18 00:00:00 |
| Authorizer Name | D**** M**** |
| Authorizer Telephone | 713-366-5130 |
| Authorizer Title | Pipeline Compliance Regulatory Consultant |
| Authorizer Email | D**********@o**.com |
| Narrative | On october 1, 2018, at approximately 11:25 am, a centurion pipeline l.P. (cpl) employee identified a leak at post station near post, texas, in garza county, texas. Cpl immediately shut down the station and secured the release. After excavation, cpl determined the source of crude oil to be the 6'' pressure relief line. Cpl installed a bolt-on repair sleeve and restarted the station at 4:40 pm on october 1, 2018. Approximately 114.8 barrels of crude oil were released within the cpl-controlled station; however, the crude oil flowed out of the station and into an adjacent ephemeral creek bed. Cpl immediately remediated the ephemeral creek bed, and remediation efforts to remove the crude oil from the station soil remain ongoing. No injuries, fatalities, or fires were associated with this accident. The national response center (nrc) report numbers corresponding to the updates concerning this accident are 1226230 and 1226389. At the time of this submittal, the root cause analysis of the failure has not yet been completed. For the purpose of submitting this original accident report, cpl selected "corrosion failure" and a sub-cause of "internal corrosion." however, cpl will remove the failed section of pipe for further analysis and will submit a supplemental report containing the results of the failure investigation once completed. The supplemental report will also contain the amount of oil recovered during continued remediation, the remaining cost accruals associated with this accident, and any necessary preventative maintenance measures. Supplemental final report filed on december 18, 2018: the following updates are included in this supplemental/final report: 1. The volume of commodity recovered in question a11 is updated to reflect the completed remediation efforts. All product has been recovered from the environment. 2. During the root cause analysis, cpl determined that the apparent cause of failure is internal corrosion. Question c6 is updated to describe the type of accident as a leak due to a through-wall pit as a result of microbiologically induced corrosion (mic). 3. The remaining cost accruals and adjustments are accounted for in question d8. 4. During the internal pipe inspection of the failure, cpl identified localized pitting and determined the pit morphology is indicative of mic. Question g1-6 is updated to reflect the identification of localized pitting, and question g1-7 is updated to include microbiological as the type of corrosion related to this accident. In order to prevent similar accidents from occurring, cpl replaced the relief line with internally coated pipe. All repairs and remediation related to this accident are complete. |
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