HL incident on 2023-09-15 — TX

Operator
Western Midstream Partners, Lp
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$17,450
Incident datetime
2023-09-15 00:00 UTC
Report number
Location
TX
Narrative
While conducting right-of-way inspection, field operator discovered oil in the existing excavation from the previous leak on the lt-12" cat w. Cgf-b to mot pipeline which occurred on 04/10,2023. Internal notifications were made and operators upstream were notified to curtail production to the pipeline. Downstream operators were also notified of curtailment. Leak was identified as a seep, therefore the line was only briefly shut in to apply the temporary clamp.
Detailed record list
Report Received Date
2023-09-15 00:00:00
Iyear
2023
Report Number
20230214
Supplemental Number
39083
Report Type
Supplemental Final
Operator Id
Name
Western Midstream Partners, Lp
Operator Street Address
9950 Woodloch Forest Dr Suite 2800
Operator City Name
The Woodlands
Operator State Abbreviation
TX
Operator Postal Code
77380
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
Location Longitude
Commodity Released Type
Crude Oil
Unintentional Release Bbls
10
Recovered Bbls
10
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Status When Identified
Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind
No
Shutdown Explain
Upstream/downstream Operators Shut In Flow In Order To Place Temp Clamp
Communication State Fed Ind
No
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Upstream Action Taken
Operational Control
Upstream Oprtnl Cntrl Detail
Curtailed Upstream Producers From Flowing Into The Line.
Downstream Action Taken
Operational Control
Downstream Oprtnl Cntrl Detail
Notified Control Center Of Curtailment And Monitored Pressures.
Notify Qualified Indiv Ind
Yes
Oil Spill Removal Org Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Springfield Pipeline Llc
Segment Name
Lt-12" Cat W. Cgf-B To Mot
Onshore State Abbreviation
Tx
Onshore Postal Code
78834
Onshore City Name
Not Within A Municipality
Onshore County Name
Dimmit
Designated Location
Survey Station No.
Designated Name
91138.16
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
66
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Pipe
Pipe Type
Pipe Body
Puddle Weld Ind
No
Pipe Diameter
12
Pipe Wall Thickness
0.281
Pipe Smys
60000
Pipe Specification
Api 5l
Pipe Seam Type
Erw - High Frequency
Pipe Manufacturer
Ipsco Tubulars Inc
Pipe Coating Type
Fusion Bonded Epoxy(Fbe)
Coating Applied Ind
No
Installation Year
2012
Manufactured Year
2011
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
Yes
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
0
Est Cost Prop Damage
17450
Est Cost Emergency
0
Est Cost Environmental
17450
Est Cost Other
0
Prpty
34900
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
35
Mop Psig
200
Mop Cfr Section
Component Design Pressure �195.406(A)(2)
Maop Established Date
2012-01-31 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
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
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
Size of leak was too small to have alarmed in control room
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 Microbiological Ind
Yes
Int Metallurgical Basis Ind
Yes
Int Low Point Pipe Loc Ind
Yes
Corrosion Inhibitors
Yes
Corrosion Lining
No
Cleaning Dewatering
Yes
Corrosion Coupons
Yes
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Geometry Deformation Ind
Yes
Axial Recent Year
2023
Axial Rcnt Propul Method
Free Swimming
Axial Rcnt Attuned Detect
Metal Loss
Axial Rcnt Atnd Dtct Metal
High Resolution
Axial Previous Year
2021
Axial Prev Propul Method
Free Swimming
Axial Prev Attuned Detect
Metal Loss
Axial Prev Atnd Dtct Metal
High Resolution
Geometry Recent Year
2023
Geometry Rcnt Propul Method
Free Swimming
Geometry Rcnt Resolution
High Resolution
Geometrt Rcnt Measur Cups
No Cups
Geometry Previous Year
2021
Geometry Prev Propul Method
Free Swimming
Geometry Prev Resolution
High Resolution
Geometrt Prev Measur Cups
No Cups
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
S***** W****
Preparer Title
Dot Advisor
Preparer Email
S***********@w***************.com
Preparer Telephone
3467865148
Prepared Date
2024-01-17 00:00:00
Local Contact Name
C***** D**
Local Contact Email
C*********@w***************.com
Local Contact Telephone
8303223415
Authorizer Name
L**** N****
Authorizer Telephone
3467865089
Authorizer Title
Director Stx Operations
Authorizer Email
L**********@w***************.com
Narrative
While conducting right-of-way inspection, field operator discovered oil in the existing excavation from the previous leak on the lt-12" cat w. Cgf-b to mot pipeline which occurred on 04/10,2023. Internal notifications were made and operators upstream were notified to curtail production to the pipeline. Downstream operators were also notified of curtailment. Leak was identified as a seep, therefore the line was only briefly shut in to apply the temporary clamp.
Report Received Date 2023-09-15 00:00:00
Iyear 2023
Report Number 20230214
Supplemental Number 39083
Report Type Supplemental Final
Operator Id 473 PHMSA Enforcement
Name Western Midstream Partners, Lp
Operator Street Address 9950 Woodloch Forest Dr Suite 2800
Operator City Name The Woodlands
Operator State Abbreviation TX
Operator Postal Code 77380
Time Zone Central
Daylight Savings Ind Yes
Location Latitude 28.289912 Google Maps OpenStreetMap
Location Longitude -99.900908 Google Maps OpenStreetMap
Commodity Released Type Crude Oil
Unintentional Release Bbls 10
Recovered Bbls 10
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Local Operating Personnel, Including Contractors
Operator Type Operator Employee
System Part Involved Onshore Pipeline, Including Valve Sites
On Off Shore Onshore
Status When Identified Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind No
Shutdown Explain Upstream/downstream Operators Shut In Flow In Order To Place Temp Clamp
Communication State Fed Ind No
Nrc Rpt Num Nrc Notification Not Required NRC Report How to search
Ignite Ind No
Upstream Action Taken Operational Control
Upstream Oprtnl Cntrl Detail Curtailed Upstream Producers From Flowing Into The Line.
Downstream Action Taken Operational Control
Downstream Oprtnl Cntrl Detail Notified Control Center Of Curtailment And Monitored Pressures.
Notify Qualified Indiv Ind Yes
Oil Spill Removal Org Ind No
Num Pub Evacuated 0
Pipe Fac Name Springfield Pipeline Llc
Segment Name Lt-12" Cat W. Cgf-B To Mot
Onshore State Abbreviation Tx
Onshore Postal Code 78834
Onshore City Name Not Within A Municipality
Onshore County Name Dimmit
Designated Location Survey Station No.
Designated Name 91138.16
Federal No
Location Type Pipeline Right-Of-Way
Incident Area Type Underground
Incident Area Subtype Exposed Due To Excavation
Depth Of Cover 66
Crossing No
Pipe Facility Type Intrastate
Item Involved Pipe
Pipe Type Pipe Body
Puddle Weld Ind No
Pipe Diameter 12
Pipe Wall Thickness 0.281
Pipe Smys 60000
Pipe Specification Api 5l
Pipe Seam Type Erw - High Frequency
Pipe Manufacturer Ipsco Tubulars Inc
Pipe Coating Type Fusion Bonded Epoxy(Fbe)
Coating Applied Ind No
Installation Year 2012
Manufactured Year 2011
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
Wildlife Impact Ind No
Soil Contamination Yes
Long Term Assessment Yes
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 0
Est Cost Prop Damage 17450
Est Cost Emergency 0
Est Cost Environmental 17450
Est Cost Other 0
Prpty 34900
Num Persons Hosp Not Ovnght 0
Num Injured Treated By Emt 0
Num Resident Building Affctd 0
Num Business Building Affctd 0
Accident Psig 35
Mop Psig 200
Mop Cfr Section Component Design Pressure �195.406(A)(2) View CFR 49 §192
Maop Established Date 2012-01-31 00:00:00
Maop Reversal Flow Ind No
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
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 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 Size of leak was too small to have alarmed in control room
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 Microbiological Ind Yes
Int Metallurgical Basis Ind Yes
Int Low Point Pipe Loc Ind Yes
Corrosion Inhibitors Yes
Corrosion Lining No
Cleaning Dewatering Yes
Corrosion Coupons Yes
Collected Data Ind Yes
Axial Magnetic Flx Lkg Ind Yes
Geometry Deformation Ind Yes
Axial Recent Year 2023
Axial Rcnt Propul Method Free Swimming
Axial Rcnt Attuned Detect Metal Loss
Axial Rcnt Atnd Dtct Metal High Resolution
Axial Previous Year 2021
Axial Prev Propul Method Free Swimming
Axial Prev Attuned Detect Metal Loss
Axial Prev Atnd Dtct Metal High Resolution
Geometry Recent Year 2023
Geometry Rcnt Propul Method Free Swimming
Geometry Rcnt Resolution High Resolution
Geometrt Rcnt Measur Cups No Cups
Geometry Previous Year 2021
Geometry Prev Propul Method Free Swimming
Geometry Prev Resolution High Resolution
Geometrt Prev Measur Cups No Cups
Has Hydrtst Conduc Before Ind No
Direct Asmnt Conducted No
Non Destructive Exam Ind No
Preparer Name S***** W****
Preparer Title Dot Advisor
Preparer Email S***********@w***************.com
Preparer Telephone 3467865148
Prepared Date 2024-01-17 00:00:00
Local Contact Name C***** D**
Local Contact Email C*********@w***************.com
Local Contact Telephone 8303223415
Authorizer Name L**** N****
Authorizer Telephone 3467865089
Authorizer Title Director Stx Operations
Authorizer Email L**********@w***************.com
Narrative While conducting right-of-way inspection, field operator discovered oil in the existing excavation from the previous leak on the lt-12" cat w. Cgf-b to mot pipeline which occurred on 04/10,2023. Internal notifications were made and operators upstream were notified to curtail production to the pipeline. Downstream operators were also notified of curtailment. Leak was identified as a seep, therefore the line was only briefly shut in to apply the temporary clamp.

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