HL incident on 2025-08-19 — TX

Operator
Plains Pipeline Midcon Llc
Cause
Other Accident Cause
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$40,000
Incident datetime
2025-08-19 00:00 UTC
Report number
Location
TX
Narrative
Approximately 100 barrels of crude oil were released from the orion to stockholm 8inch pipeline. The date and time of the release (part a q4) are indicative of the earliest possible time the release could have started based on control center information. Following repair of the release discovered on 07/20/2025, plains performed a pressure test and identified that there may be a second release (part a q13), later confirming discovery of the second release (part a q20). A supplemental report will be submitted pending further investigation into the cause of the release and associated preventative measure.
Detailed record list
Report Received Date
2025-08-19 00:00:00
Iyear
2025
Report Number
20250193
Supplemental Number
41277
Report Type
Original
Operator Id
Name
Plains Pipeline Midcon Llc
Operator Street Address
333 Clay Street, Suite 1900
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
Location Longitude
Commodity Released Type
Crude Oil
Unintentional Release Bbls
100
Recovered Bbls
100
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Or Pack Calculations)
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Status When Identified
Idle
Communication State Fed Ind
Yes
Party Initiated Communication
Operator
Nrc Rpt Num
Additional Nrc Report Numbers
1439727
Ignite Ind
No
Upstream Action Taken
Valve Closure
Upstream Valve Type Ind
Remotely Controlled
Downstream Action Taken
Valve Closure
Downstream Valve Type Ind
Manual
Notify Qualified Indiv Ind
Yes
Oil Spill Removal Org Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Orion To Stockholm 8inch
Segment Name
Orion To Stockholm 8inch
Onshore State Abbreviation
Ok
Onshore Postal Code
73852
Onshore City Name
Mooreland
Onshore County Name
Woodward
Designated Location
Milepost
Designated Name
0+19.14
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
Puddle Weld Ind
No
Pipe Diameter
8
Pipe Wall Thickness
0.259
Pipe Smys
52000
Pipe Specification
X-52
Pipe Seam Type
Erw - Low Frequency
Pipe Manufacturer
Unknown
Pipe Coating Type
Coal Tar
Coating Applied Ind
No
Installation Year
1960
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
Yes
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
6625
Est Cost Prop Damage
40000
Est Cost Emergency
219000
Est Cost Environmental
36000
Est Cost Other
0
Prpty
301625
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
259
Mop Psig
1250
Mop Cfr Section
Subpart E Pressure Test �195.406(A)(3)
Maop Established Date
2016-12-12 00:00:00
Maop Reversal Flow Ind
Yes
Surge Analysis Date
2022-06-01 00:00:00
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
60562
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
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
Controller took appropriate action to address pressure trends.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Accident Cause
Cause Details
Unknown
Other Type
Unknown
Unknown Subtype
Still Under Investigation, Cause Of Accident To Be Determined* (*supplemental Report Required)
Preparer Name
N****** G*******
Preparer Title
Hse Regulatory Compliance Supervisor
Preparer Email
N***************@p*****.com
Preparer Telephone
7136464376
Prepared Date
2025-08-19 00:00:00
Local Contact Name
N****** G*******
Local Contact Email
N***************@p*****.com
Local Contact Telephone
7136464376
Authorizer Name
N****** G*******
Authorizer Telephone
7136464376
Authorizer Title
Hse Regulatory Compliance Supervisor
Authorizer Email
N***************@p*****.com
Narrative
Approximately 100 barrels of crude oil were released from the orion to stockholm 8inch pipeline. The date and time of the release (part a q4) are indicative of the earliest possible time the release could have started based on control center information. Following repair of the release discovered on 07/20/2025, plains performed a pressure test and identified that there may be a second release (part a q13), later confirming discovery of the second release (part a q20). A supplemental report will be submitted pending further investigation into the cause of the release and associated preventative measure.
Report Received Date 2025-08-19 00:00:00
Iyear 2025
Report Number 20250193
Supplemental Number 41277
Report Type Original
Operator Id 40498 PHMSA Enforcement
Name Plains Pipeline Midcon Llc
Operator Street Address 333 Clay Street, Suite 1900
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Time Zone Central
Daylight Savings Ind Yes
Location Latitude 36.41283 Google Maps OpenStreetMap
Location Longitude -99.04713 Google Maps OpenStreetMap
Commodity Released Type Crude Oil
Unintentional Release Bbls 100
Recovered Bbls 100
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Or Pack Calculations)
System Part Involved Onshore Pipeline, Including Valve Sites
On Off Shore Onshore
Status When Identified Idle
Communication State Fed Ind Yes
Party Initiated Communication Operator
Nrc Rpt Num 1439539 NRC Report How to search
Additional Nrc Report Numbers 1439727
Ignite Ind No
Upstream Action Taken Valve Closure
Upstream Valve Type Ind Remotely Controlled
Downstream Action Taken Valve Closure
Downstream Valve Type Ind Manual
Notify Qualified Indiv Ind Yes
Oil Spill Removal Org Ind No
Num Pub Evacuated 0
Pipe Fac Name Orion To Stockholm 8inch
Segment Name Orion To Stockholm 8inch
Onshore State Abbreviation Ok
Onshore Postal Code 73852
Onshore City Name Mooreland
Onshore County Name Woodward
Designated Location Milepost
Designated Name 0+19.14
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
Puddle Weld Ind No
Pipe Diameter 8
Pipe Wall Thickness 0.259
Pipe Smys 52000
Pipe Specification X-52
Pipe Seam Type Erw - Low Frequency
Pipe Manufacturer Unknown
Pipe Coating Type Coal Tar
Coating Applied Ind No
Installation Year 1960
Manufactured Year Unknown
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
Wildlife Impact Ind No
Soil Contamination Yes
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 6625
Est Cost Prop Damage 40000
Est Cost Emergency 219000
Est Cost Environmental 36000
Est Cost Other 0
Prpty 301625
Num Persons Hosp Not Ovnght 0
Num Injured Treated By Emt 0
Num Resident Building Affctd 0
Num Business Building Affctd 0
Accident Psig 259
Mop Psig 1250
Mop Cfr Section Subpart E Pressure Test �195.406(A)(3) View CFR 49 §192
Maop Established Date 2016-12-12 00:00:00
Maop Reversal Flow Ind Yes
Surge Analysis Date 2022-06-01 00:00:00
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
Length Segment Isolated 60562
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 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 Controller took appropriate action to address pressure trends.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Other Accident Cause
Cause Details Unknown
Other Type Unknown
Unknown Subtype Still Under Investigation, Cause Of Accident To Be Determined* (*supplemental Report Required)
Preparer Name N****** G*******
Preparer Title Hse Regulatory Compliance Supervisor
Preparer Email N***************@p*****.com
Preparer Telephone 7136464376
Prepared Date 2025-08-19 00:00:00
Local Contact Name N****** G*******
Local Contact Email N***************@p*****.com
Local Contact Telephone 7136464376
Authorizer Name N****** G*******
Authorizer Telephone 7136464376
Authorizer Title Hse Regulatory Compliance Supervisor
Authorizer Email N***************@p*****.com
Narrative Approximately 100 barrels of crude oil were released from the orion to stockholm 8inch pipeline. The date and time of the release (part a q4) are indicative of the earliest possible time the release could have started based on control center information. Following repair of the release discovered on 07/20/2025, plains performed a pressure test and identified that there may be a second release (part a q13), later confirming discovery of the second release (part a q20). A supplemental report will be submitted pending further investigation into the cause of the release and associated preventative measure.

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