Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2017-11-16 — 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)
$5,682,477
Incident datetime
2017-11-16 05:36
Report number
Location
TX
Narrative
On 16 nov, 2017, at 05:34 cst, a pressure drop was experienced on keystone approximately 17.4 miles downstream of ludden pump station, resulting in the pipeline being shut down. At 09:15, technicians confirmed oil on the ground. At 10:13 cst, the nrc was called, and a report generated (1197446) and distributed at 10:26. Contact with PHMSA accident investigation division made at 1025; PHMSA on site from 17 to 28 nov. Pipeline was subsequently restarted on 29 nov after replacement of failed section. Metallurgical testing being performed by the national transportation safety board; results pending. Regarding part d, 1a., there one bird and one raccoon were lost. 20180315 supplemental report: updated commodity released and recovered, costs associated with the accident, and cause of the failure (second party damage) as derived from the national transportation safety board (ntsb) draft metallurgic report, and confirmed by a mutually agreed upon third party contractor, keifner and associates. 20180810 supplemental report: final costs received and vetted through leadership on 20180724, with approval on 20180801. 20180822 - updated part g apparent cause to a g5 from a g8, and part e for controller investigation. 20181109 - updated part a volume released to 6,592 bbls; volume derived through pipe integrity calculation based on exact location, depth of cover, actual shutdown times, and position of the rupture.
Detailed record list
Report Received Date
2017-12-16 00:00:00
Iyear
2017
Report Number
20170417
Supplemental Number
31163
Report Type
Supplemental Final
Operator Id
32334
Name
Tc Oil Pipeline Operations Inc
Operator Street Address
Bank Of America Center - 700 Louisiana Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002-2700
Local Datetime
2017-11-16 05:33:00
Location Latitude
45.709444
Location Longitude
-97.876944
Commodity Released Type
Crude Oil
Unintentional Release Bbls
6592
Recovered Bbls
6592
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
2017-11-16 05:36:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2017-11-16 05:33:00
Restart Datetime
2017-11-29 10:00:00
On Site Datetime
2017-11-16 09:15:00
Nrc Rpt Datetime
2017-11-16 10:13:00
Nrc Rpt Num
1197446
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Remotely Controlled
Downstream Valve Type Ind
Remotely Controlled
Num Pub Evacuated
0
Pipe Fac Name
Keystone Pipeline
Segment Name
Ks6
Onshore State Abbreviation
Sd
Onshore Postal Code
57421
Onshore City Name
Not Within A Municipality
Onshore County Name
Marshall County
Designated Location
Milepost/valve Station
Designated Name
Mp 234.3
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
48
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Body
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
2007
Material Involved
Carbon Steel
Release Type
Rupture
Rupture Orient
Longitudinal
Rupture Width
11.3
Rupture Length
52
Wildlife Impact Ind
Yes
Birds Impact Ind
Yes
Terrestrial Impact Ind
Yes
Soil Contamination
Yes
Long Term Assessment
No
Remediation Ind
Yes
Soil Remed Ind
Yes
Vegetation Remed Ind
Yes
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
823400
Est Cost Gas Released
583560
Est Cost Prop Damage
5682477
Est Cost Emergency
6042594
Est Cost Environmental
31677529
Est Cost Other
0
Est Cost Other Details
All Costs Are Final As Of 20180724.
Prpty
44809560
Accident Psig
1067
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
125664
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
Design-, Construction-, Installation-, Or Fabrication-Related
Metallurgical Ind
Yes
Failure Type
Design-, Construction-, Installation-, Or Fabrication-Related
Fatigue Vibr Related
Yes
Failure Subtype
Pressure-Related
Additional Gouge Ind
Yes
Additional Crack Ind
Yes
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Geometry Deformation Ind
Yes
Other Tool Tech Ind
Yes
Axial Recent Year
2016
Geometry Recent Year
2016
Other Tool
Acoustic Leak Detection
Other Recent Year
2017
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
E*** H*****
Preparer Title
Us Regulatory Compliance Manager
Preparer Email
E**********@t**********.com
Preparer Telephone
4024907253
Prepared Date
2018-11-09 00:00:00
Authorizer Name
S**** K****
Authorizer Telephone
4039207255
Authorizer Title
Vice President - Safety Quality And Compliance
Authorizer Email
S**********@t**********.com
Narrative
On 16 nov, 2017, at 05:34 cst, a pressure drop was experienced on keystone approximately 17.4 miles downstream of ludden pump station, resulting in the pipeline being shut down. At 09:15, technicians confirmed oil on the ground. At 10:13 cst, the nrc was called, and a report generated (1197446) and distributed at 10:26. Contact with PHMSA accident investigation division made at 1025; PHMSA on site from 17 to 28 nov. Pipeline was subsequently restarted on 29 nov after replacement of failed section. Metallurgical testing being performed by the national transportation safety board; results pending. Regarding part d, 1a., there one bird and one raccoon were lost. 20180315 supplemental report: updated commodity released and recovered, costs associated with the accident, and cause of the failure (second party damage) as derived from the national transportation safety board (ntsb) draft metallurgic report, and confirmed by a mutually agreed upon third party contractor, keifner and associates. 20180810 supplemental report: final costs received and vetted through leadership on 20180724, with approval on 20180801. 20180822 - updated part g apparent cause to a g5 from a g8, and part e for controller investigation. 20181109 - updated part a volume released to 6,592 bbls; volume derived through pipe integrity calculation based on exact location, depth of cover, actual shutdown times, and position of the rupture.
| Report Received Date | 2017-12-16 00:00:00 |
|---|---|
| Iyear | 2017 |
| Report Number | 20170417 |
| Supplemental Number | 31163 |
| Report Type | Supplemental Final |
| Operator Id | 32334 PHMSA Enforcement |
| Name | Tc Oil Pipeline Operations Inc |
| Operator Street Address | Bank Of America Center - 700 Louisiana Street |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002-2700 |
| Local Datetime | 2017-11-16 05:33:00 |
| Location Latitude | 45.709444 Google Maps OpenStreetMap |
| Location Longitude | -97.876944 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 6592 |
| Recovered Bbls | 6592 |
| 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 | 2017-11-16 05:36:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2017-11-16 05:33:00 |
| Restart Datetime | 2017-11-29 10:00:00 |
| On Site Datetime | 2017-11-16 09:15:00 |
| Nrc Rpt Datetime | 2017-11-16 10:13:00 |
| Nrc Rpt Num | 1197446 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Remotely Controlled |
| Downstream Valve Type Ind | Remotely Controlled |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Keystone Pipeline |
| Segment Name | Ks6 |
| Onshore State Abbreviation | Sd |
| Onshore Postal Code | 57421 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Marshall County |
| Designated Location | Milepost/valve Station |
| Designated Name | Mp 234.3 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 48 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| 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 | 2007 |
| Material Involved | Carbon Steel |
| Release Type | Rupture |
| Rupture Orient | Longitudinal |
| Rupture Width | 11.3 |
| Rupture Length | 52 |
| Wildlife Impact Ind | Yes |
| Birds Impact Ind | Yes |
| Terrestrial Impact Ind | Yes |
| Soil Contamination | Yes |
| Long Term Assessment | No |
| Remediation Ind | Yes |
| Soil Remed Ind | Yes |
| Vegetation Remed Ind | Yes |
| Water Contam Ind | No |
| Could Be Hca | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 823400 |
| Est Cost Gas Released | 583560 |
| Est Cost Prop Damage | 5682477 |
| Est Cost Emergency | 6042594 |
| Est Cost Environmental | 31677529 |
| Est Cost Other | 0 |
| Est Cost Other Details | All Costs Are Final As Of 20180724. |
| Prpty | 44809560 |
| Accident Psig | 1067 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 125664 |
| 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 | Design-, Construction-, Installation-, Or Fabrication-Related |
| Metallurgical Ind | Yes |
| Failure Type | Design-, Construction-, Installation-, Or Fabrication-Related |
| Fatigue Vibr Related | Yes |
| Failure Subtype | Pressure-Related |
| Additional Gouge Ind | Yes |
| Additional Crack Ind | Yes |
| Collected Data Ind | Yes |
| Axial Magnetic Flx Lkg Ind | Yes |
| Geometry Deformation Ind | Yes |
| Other Tool Tech Ind | Yes |
| Axial Recent Year | 2016 |
| Geometry Recent Year | 2016 |
| Other Tool | Acoustic Leak Detection |
| Other Recent Year | 2017 |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | E*** H***** |
| Preparer Title | Us Regulatory Compliance Manager |
| Preparer Email | E**********@t**********.com |
| Preparer Telephone | 4024907253 |
| Prepared Date | 2018-11-09 00:00:00 |
| Authorizer Name | S**** K**** |
| Authorizer Telephone | 4039207255 |
| Authorizer Title | Vice President - Safety Quality And Compliance |
| Authorizer Email | S**********@t**********.com |
| Narrative | On 16 nov, 2017, at 05:34 cst, a pressure drop was experienced on keystone approximately 17.4 miles downstream of ludden pump station, resulting in the pipeline being shut down. At 09:15, technicians confirmed oil on the ground. At 10:13 cst, the nrc was called, and a report generated (1197446) and distributed at 10:26. Contact with PHMSA accident investigation division made at 1025; PHMSA on site from 17 to 28 nov. Pipeline was subsequently restarted on 29 nov after replacement of failed section. Metallurgical testing being performed by the national transportation safety board; results pending. Regarding part d, 1a., there one bird and one raccoon were lost. 20180315 supplemental report: updated commodity released and recovered, costs associated with the accident, and cause of the failure (second party damage) as derived from the national transportation safety board (ntsb) draft metallurgic report, and confirmed by a mutually agreed upon third party contractor, keifner and associates. 20180810 supplemental report: final costs received and vetted through leadership on 20180724, with approval on 20180801. 20180822 - updated part g apparent cause to a g5 from a g8, and part e for controller investigation. 20181109 - updated part a volume released to 6,592 bbls; volume derived through pipe integrity calculation based on exact location, depth of cover, actual shutdown times, and position of the rupture. |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA