Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2017-11-06 — TX
Operator
Phillips 66 Pipeline Llc
Cause
Incorrect Operation
Commodity
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$70,000
Incident datetime
2017-11-06 12:05
Report number
Location
TX
Narrative
On november 6, 2017 at approximately 12:05 pm (central time), maintenance crews had excavated a half sole repair on mx-30 at mp 63.5 to perform an enhanced integrity evaluation. Once the ditch was opened, the crew did a soap test on the line and determined the line was weeping in the area of the half sole repair weld. The crew immediately notified the control center and the pipeline was shutdown. Plans were made and executed to de-pressure the line and replace the section of the pipeline which was weeping, along with the half sole repair which was be evaluated. The new section of pipe was installed and the line was restarted on nov 10, 2017 the section of pipe which was removed was sent to the p66 lab in bartlesville, ok for analysis on nov 10, 2017. To date, the cause of the leak has not been determined. Once the analysis is complete, this report will be updated and finalized. This updated supplemental report corrected the lat long coordinates of the location and provided an estimate of the repair costs (which was missed on the first report. The investigation is still in progress on this incident, so this report will be finalized once the investigation is complete. Update may 17, 2018. Subsequent laboratory analysis determined that the half-sole patch was covering a through wall anomaly on the pipe and the patch welds were not adequate. P66 has no record of this repair being performed, so it is unknown when the repair was made or what welding procedure or process was used. As follow up to this incident and to prevent reoccurrence, p66 has identified and addressed all half-soles on mx-30 by either repairing, cutting out, or idling the section of line containing the half sole.
Detailed record list
Report Received Date
2017-11-22 00:00:00
Iyear
2017
Report Number
20170389
Supplemental Number
30351
Report Type
Supplemental Final
Operator Id
31684
Name
Phillips 66 Pipeline Llc
Operator Street Address
2331 Citywest Blvd
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77042
Local Datetime
2017-11-06 12:05:00
Location Latitude
31.692
Location Longitude
-101.8081
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid)
Unintentional Release Bbls
0.6
Intentional Release Bbls
595
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2017-11-06 12:05:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2017-11-06 12:15:00
Restart Datetime
2017-11-10 14:00:00
On Site Datetime
2017-11-06 12:05:00
Nrc Rpt Datetime
2017-11-06 12:47:00
Nrc Rpt Num
1195347
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Mx-30
Segment Name
Sprayberry To Pembrook
Onshore State Abbreviation
Tx
Onshore Postal Code
79706
Onshore City Name
Not Within A Municipality
Onshore County Name
Midland
Designated Location
Milepost/valve Station
Designated Name
Mp 63.5
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
36
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
8
Pipe Wall Thickness
0.25
Pipe Smys
35000
Pipe Specification
Api-5l
Pipe Seam Type
Seamless
Pipe Manufacturer
Republic
Pipe Coating Type
Coal Tar
Installation Year
1952
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
No
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
3000
Est Cost Prop Damage
70000
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
73000
Accident Psig
500
Mop Psig
1090
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
28208
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
Yes
Cpm Operating Ind
Yes
Cpm Functional Ind
Yes
Cpm Detection Ind
No
Cpm Conf 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
This was a pinhole leak on the pipeline not cause by controller actions or detectable by the control center. There were no abnormal operating conditions on the pipeline prior to discovery of the leak
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Incorrect Operation
Cause Details
Other Incorrect Operation
Operation Type
Other Incorrect Operation
Operation Details
This Accident Was The Failure Of A Vintage Weld On A Patch Covering A Through Wall Anomaly. The Weld Was Not Performed Properly. P66 Has No Record Of This Repair Being Made, So It Is Unknown What Welding Procedure Or Process Was Used Or Who Performed The Weld. See The Description For More Information.
Related Other Ind
Yes
Operation Related Details
It Is Unknown When The Puddle Weld, Which Failed, Was Made And Therefore It Is Not Known What Procedures (Or Qualifications) Were In Place At The Time.
Category Type
Other Maintenance
Operator Qualification Ind
No
Preparer Name
C**** F*****
Preparer Title
Dot Coordinator
Preparer Email
C*************@p**.com
Preparer Telephone
303-862-1189
Prepared Date
2018-05-18 00:00:00
Authorizer Name
T*** F****
Authorizer Telephone
832-765-1632
Authorizer Title
Director Dot Compliance
Authorizer Email
M.todd.fuksap66.com
Narrative
On november 6, 2017 at approximately 12:05 pm (central time), maintenance crews had excavated a half sole repair on mx-30 at mp 63.5 to perform an enhanced integrity evaluation. Once the ditch was opened, the crew did a soap test on the line and determined the line was weeping in the area of the half sole repair weld. The crew immediately notified the control center and the pipeline was shutdown. Plans were made and executed to de-pressure the line and replace the section of the pipeline which was weeping, along with the half sole repair which was be evaluated. The new section of pipe was installed and the line was restarted on nov 10, 2017 the section of pipe which was removed was sent to the p66 lab in bartlesville, ok for analysis on nov 10, 2017. To date, the cause of the leak has not been determined. Once the analysis is complete, this report will be updated and finalized. This updated supplemental report corrected the lat long coordinates of the location and provided an estimate of the repair costs (which was missed on the first report. The investigation is still in progress on this incident, so this report will be finalized once the investigation is complete. Update may 17, 2018. Subsequent laboratory analysis determined that the half-sole patch was covering a through wall anomaly on the pipe and the patch welds were not adequate. P66 has no record of this repair being performed, so it is unknown when the repair was made or what welding procedure or process was used. As follow up to this incident and to prevent reoccurrence, p66 has identified and addressed all half-soles on mx-30 by either repairing, cutting out, or idling the section of line containing the half sole.
| Report Received Date | 2017-11-22 00:00:00 |
|---|---|
| Iyear | 2017 |
| Report Number | 20170389 |
| Supplemental Number | 30351 |
| Report Type | Supplemental Final |
| Operator Id | 31684 PHMSA Enforcement |
| Name | Phillips 66 Pipeline Llc |
| Operator Street Address | 2331 Citywest Blvd |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77042 |
| Local Datetime | 2017-11-06 12:05:00 |
| Location Latitude | 31.692 Google Maps OpenStreetMap |
| Location Longitude | -101.8081 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Commodity Subtype | Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid) |
| Unintentional Release Bbls | 0.6 |
| Intentional Release Bbls | 595 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2017-11-06 12:05:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2017-11-06 12:15:00 |
| Restart Datetime | 2017-11-10 14:00:00 |
| On Site Datetime | 2017-11-06 12:05:00 |
| Nrc Rpt Datetime | 2017-11-06 12:47:00 |
| Nrc Rpt Num | 1195347 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Mx-30 |
| Segment Name | Sprayberry To Pembrook |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 79706 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Midland |
| Designated Location | Milepost/valve Station |
| Designated Name | Mp 63.5 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 36 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 8 |
| Pipe Wall Thickness | 0.25 |
| Pipe Smys | 35000 |
| Pipe Specification | Api-5l |
| Pipe Seam Type | Seamless |
| Pipe Manufacturer | Republic |
| Pipe Coating Type | Coal Tar |
| Installation Year | 1952 |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Pinhole |
| Wildlife Impact Ind | No |
| Soil Contamination | No |
| Long Term Assessment | No |
| Remediation Ind | No |
| Water Contam Ind | No |
| Could Be Hca | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 3000 |
| Est Cost Prop Damage | 70000 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 73000 |
| Accident Psig | 500 |
| Mop Psig | 1090 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 28208 |
| 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 | Yes |
| Cpm Operating Ind | Yes |
| Cpm Functional Ind | Yes |
| Cpm Detection Ind | No |
| Cpm Conf 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 | This was a pinhole leak on the pipeline not cause by controller actions or detectable by the control center. There were no abnormal operating conditions on the pipeline prior to discovery of the leak |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Incorrect Operation |
| Cause Details | Other Incorrect Operation |
| Operation Type | Other Incorrect Operation |
| Operation Details | This Accident Was The Failure Of A Vintage Weld On A Patch Covering A Through Wall Anomaly. The Weld Was Not Performed Properly. P66 Has No Record Of This Repair Being Made, So It Is Unknown What Welding Procedure Or Process Was Used Or Who Performed The Weld. See The Description For More Information. |
| Related Other Ind | Yes |
| Operation Related Details | It Is Unknown When The Puddle Weld, Which Failed, Was Made And Therefore It Is Not Known What Procedures (Or Qualifications) Were In Place At The Time. |
| Category Type | Other Maintenance |
| Operator Qualification Ind | No |
| Preparer Name | C**** F***** |
| Preparer Title | Dot Coordinator |
| Preparer Email | C*************@p**.com |
| Preparer Telephone | 303-862-1189 |
| Prepared Date | 2018-05-18 00:00:00 |
| Authorizer Name | T*** F**** |
| Authorizer Telephone | 832-765-1632 |
| Authorizer Title | Director Dot Compliance |
| Authorizer Email | M.todd.fuksap66.com |
| Narrative | On november 6, 2017 at approximately 12:05 pm (central time), maintenance crews had excavated a half sole repair on mx-30 at mp 63.5 to perform an enhanced integrity evaluation. Once the ditch was opened, the crew did a soap test on the line and determined the line was weeping in the area of the half sole repair weld. The crew immediately notified the control center and the pipeline was shutdown. Plans were made and executed to de-pressure the line and replace the section of the pipeline which was weeping, along with the half sole repair which was be evaluated. The new section of pipe was installed and the line was restarted on nov 10, 2017 the section of pipe which was removed was sent to the p66 lab in bartlesville, ok for analysis on nov 10, 2017. To date, the cause of the leak has not been determined. Once the analysis is complete, this report will be updated and finalized. This updated supplemental report corrected the lat long coordinates of the location and provided an estimate of the repair costs (which was missed on the first report. The investigation is still in progress on this incident, so this report will be finalized once the investigation is complete. Update may 17, 2018. Subsequent laboratory analysis determined that the half-sole patch was covering a through wall anomaly on the pipe and the patch welds were not adequate. P66 has no record of this repair being performed, so it is unknown when the repair was made or what welding procedure or process was used. As follow up to this incident and to prevent reoccurrence, p66 has identified and addressed all half-soles on mx-30 by either repairing, cutting out, or idling the section of line containing the half sole. |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA