Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2019-10-29 — TX
Operator
Tc Oil Pipeline Operations Inc
Cause
Material Failure Of Pipe Or Weld
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$1,441,652
Incident datetime
2019-10-29 21:52
Report number
Location
TX
Narrative
On 29 october, 2019, at 21:52 hrs cdt, a pressure drop occurred on keystone at edinburg pump station, nd, resulting in the pipeline being shut down. At 23:15 hrs cdt 29 oct, the nrc was called, and a report generated (1262553) and distributed at 23:22 hrs cdt. At 05:01 hrs cdt 30 october, a technician confirmed oil on the ground downstream of edinburg pump station. Contact with PHMSA accident investigation division was made at 23:22 hrs cdt 29 oct; PHMSA aid and PHMSA central region were on site from 30 october to 10 november. Pipeline was subsequently restarted on 11 november after replacement of failed section. Mechanical and metallurgical testing are being performed by an independent testing facility, and a root cause failure analysis is to be performed. A 48-hr update to the nrc generated report 1262792. 20200131 updated estimated volume of commodity released unintentionally, estimated volume of commodity recovered, and estimated costs. 20200501 updated apparent cause based on the completed root cause failure analysis, and estimated costs.
Detailed record list
Report Received Date
2019-11-26 00:00:00
Iyear
2019
Report Number
20190359
Supplemental Number
33676
Report Type
Supplemental Final
Operator Id
32334
Name
Tc Oil Pipeline Operations Inc
Operator Street Address
920 Memorial City Way Suite 800
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77024
Local Datetime
2019-10-29 21:52:00
Location Latitude
48.514598
Location Longitude
-97.924804
Commodity Released Type
Crude Oil
Unintentional Release Bbls
4515
Recovered Bbls
4515
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Cpm Leak Detection System Or Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Calculations)
Incident Identified Datetime
2019-10-29 21:52:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2019-10-29 21:52:00
Restart Datetime
2019-11-11 09:11:00
On Site Datetime
2019-10-30 12:16:00
Nrc Rpt Datetime
2019-10-29 23:15:00
Nrc Rpt Num
1262553
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Remotely Controlled
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Keystone Pipeline
Segment Name
Ks5
Onshore State Abbreviation
Nd
Onshore Postal Code
58227
Onshore City Name
Not Within A Municipality
Onshore County Name
Walsh
Designated Location
Milepost/valve Station
Designated Name
Milepost
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
96
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Seam
Pipe Diameter
30
Pipe Wall Thickness
0.386
Pipe Smys
70000
Pipe Specification
Api 5l
Pipe Seam Type
Dsaw
Pipe Manufacturer
Berg
Pipe Coating Type
Fusion Bonded Epoxy(Fbe)
Installation Year
2008
Manufactured Year
2008
Material Involved
Carbon Steel
Release Type
Rupture
Rupture Orient
Longitudinal
Rupture Width
12
Rupture Length
79
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
No
Remediation Ind
Yes
Surface Water Remed Ind
Yes
Soil Remed Ind
Yes
Vegetation Remed Ind
Yes
Water Contam Ind
Yes
Surface Contam Ind
Yes
Amount Released
0
Rel Water Name
Unnamed Drainage
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
1018703
Est Cost Gas Released
189787
Est Cost Prop Damage
1441652
Est Cost Emergency
13619609
Est Cost Environmental
23008696
Est Cost Other
0
Prpty
39278447
Accident Psig
1320
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
82023
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
Yes
Scada Conf Ind
Yes
Cpm In Place Ind
Yes
Cpm Operating Ind
Yes
Cpm Functional Ind
Yes
Cpm Detection Ind
Yes
Cpm Conf Ind
Yes
Investigation Status
Yes, specify investigation result(s): (select all that apply)
Invest Schedule Ind
Yes
Invest No Control Room Ind
Yes
Invest No Controller Ind
Yes
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Material Failure Of Pipe Or Weld
Cause Details
Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field)
Other Analysis Ind
Yes
Other Analysis Details
Root Cause Failure Analysis
Failure Type
Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field)
Fatigue Vibr Related
Yes
Failure Subtype
Other
Fatigue Vibr Related Other
Abnormal Seam Geometry Facilitated Crack Initiation And Accelerated Growth
Additional Crack Ind
Yes
Pwf Addl Misalignment Ind
Yes
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Ultrasonic Ind
Yes
Emat Ind
Yes
Axial Recent Year
2017
Ultrasonic Recent Year
2017
Geometry Recent Year
2017
Emat Recent Year
2017
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
J*** B******
Preparer Title
Compliance Specialist
Preparer Email
J***********@t*******.com
Preparer Telephone
5312137945
Preparer Fax
4024927491
Prepared Date
2020-05-01 00:00:00
Authorizer Name
L** R*****
Authorizer Telephone
8323205315
Authorizer Title
Director Pipelines Regulatory Compliance
Authorizer Email
L*********@t*******.com
Narrative
On 29 october, 2019, at 21:52 hrs cdt, a pressure drop occurred on keystone at edinburg pump station, nd, resulting in the pipeline being shut down. At 23:15 hrs cdt 29 oct, the nrc was called, and a report generated (1262553) and distributed at 23:22 hrs cdt. At 05:01 hrs cdt 30 october, a technician confirmed oil on the ground downstream of edinburg pump station. Contact with PHMSA accident investigation division was made at 23:22 hrs cdt 29 oct; PHMSA aid and PHMSA central region were on site from 30 october to 10 november. Pipeline was subsequently restarted on 11 november after replacement of failed section. Mechanical and metallurgical testing are being performed by an independent testing facility, and a root cause failure analysis is to be performed. A 48-hr update to the nrc generated report 1262792. 20200131 updated estimated volume of commodity released unintentionally, estimated volume of commodity recovered, and estimated costs. 20200501 updated apparent cause based on the completed root cause failure analysis, and estimated costs.
| Report Received Date | 2019-11-26 00:00:00 |
|---|---|
| Iyear | 2019 |
| Report Number | 20190359 |
| Supplemental Number | 33676 |
| Report Type | Supplemental Final |
| Operator Id | 32334 PHMSA Enforcement |
| Name | Tc Oil Pipeline Operations Inc |
| Operator Street Address | 920 Memorial City Way Suite 800 |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77024 |
| Local Datetime | 2019-10-29 21:52:00 |
| Location Latitude | 48.514598 Google Maps OpenStreetMap |
| Location Longitude | -97.924804 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 4515 |
| Recovered Bbls | 4515 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Cpm Leak Detection System Or Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Calculations) |
| Incident Identified Datetime | 2019-10-29 21:52:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2019-10-29 21:52:00 |
| Restart Datetime | 2019-11-11 09:11:00 |
| On Site Datetime | 2019-10-30 12:16:00 |
| Nrc Rpt Datetime | 2019-10-29 23:15:00 |
| Nrc Rpt Num | 1262553 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Remotely Controlled |
| Downstream Valve Type Ind | Manual |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Keystone Pipeline |
| Segment Name | Ks5 |
| Onshore State Abbreviation | Nd |
| Onshore Postal Code | 58227 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Walsh |
| Designated Location | Milepost/valve Station |
| Designated Name | Milepost |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 96 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Seam |
| Pipe Diameter | 30 |
| Pipe Wall Thickness | 0.386 |
| Pipe Smys | 70000 |
| Pipe Specification | Api 5l |
| Pipe Seam Type | Dsaw |
| Pipe Manufacturer | Berg |
| Pipe Coating Type | Fusion Bonded Epoxy(Fbe) |
| Installation Year | 2008 |
| Manufactured Year | 2008 |
| Material Involved | Carbon Steel |
| Release Type | Rupture |
| Rupture Orient | Longitudinal |
| Rupture Width | 12 |
| Rupture Length | 79 |
| Wildlife Impact Ind | No |
| Soil Contamination | Yes |
| Long Term Assessment | No |
| Remediation Ind | Yes |
| Surface Water Remed Ind | Yes |
| Soil Remed Ind | Yes |
| Vegetation Remed Ind | Yes |
| Water Contam Ind | Yes |
| Surface Contam Ind | Yes |
| Amount Released | 0 |
| Rel Water Name | Unnamed Drainage |
| Could Be Hca | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 1018703 |
| Est Cost Gas Released | 189787 |
| Est Cost Prop Damage | 1441652 |
| Est Cost Emergency | 13619609 |
| Est Cost Environmental | 23008696 |
| Est Cost Other | 0 |
| Prpty | 39278447 |
| Accident Psig | 1320 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 82023 |
| 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 | Yes |
| Scada Conf Ind | Yes |
| Cpm In Place Ind | Yes |
| Cpm Operating Ind | Yes |
| Cpm Functional Ind | Yes |
| Cpm Detection Ind | Yes |
| Cpm Conf Ind | Yes |
| Investigation Status | Yes, specify investigation result(s): (select all that apply) |
| Invest Schedule Ind | Yes |
| Invest No Control Room Ind | Yes |
| Invest No Controller Ind | Yes |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Material Failure Of Pipe Or Weld |
| Cause Details | Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field) |
| Other Analysis Ind | Yes |
| Other Analysis Details | Root Cause Failure Analysis |
| Failure Type | Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field) |
| Fatigue Vibr Related | Yes |
| Failure Subtype | Other |
| Fatigue Vibr Related Other | Abnormal Seam Geometry Facilitated Crack Initiation And Accelerated Growth |
| Additional Crack Ind | Yes |
| Pwf Addl Misalignment Ind | Yes |
| Collected Data Ind | Yes |
| Axial Magnetic Flx Lkg Ind | Yes |
| Ultrasonic Ind | Yes |
| Emat Ind | Yes |
| Axial Recent Year | 2017 |
| Ultrasonic Recent Year | 2017 |
| Geometry Recent Year | 2017 |
| Emat Recent Year | 2017 |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | J*** B****** |
| Preparer Title | Compliance Specialist |
| Preparer Email | J***********@t*******.com |
| Preparer Telephone | 5312137945 |
| Preparer Fax | 4024927491 |
| Prepared Date | 2020-05-01 00:00:00 |
| Authorizer Name | L** R***** |
| Authorizer Telephone | 8323205315 |
| Authorizer Title | Director Pipelines Regulatory Compliance |
| Authorizer Email | L*********@t*******.com |
| Narrative | On 29 october, 2019, at 21:52 hrs cdt, a pressure drop occurred on keystone at edinburg pump station, nd, resulting in the pipeline being shut down. At 23:15 hrs cdt 29 oct, the nrc was called, and a report generated (1262553) and distributed at 23:22 hrs cdt. At 05:01 hrs cdt 30 october, a technician confirmed oil on the ground downstream of edinburg pump station. Contact with PHMSA accident investigation division was made at 23:22 hrs cdt 29 oct; PHMSA aid and PHMSA central region were on site from 30 october to 10 november. Pipeline was subsequently restarted on 11 november after replacement of failed section. Mechanical and metallurgical testing are being performed by an independent testing facility, and a root cause failure analysis is to be performed. A 48-hr update to the nrc generated report 1262792. 20200131 updated estimated volume of commodity released unintentionally, estimated volume of commodity recovered, and estimated costs. 20200501 updated apparent cause based on the completed root cause failure analysis, and estimated costs. |
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