Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2024-09-09 — TX
Operator
Western Midstream Partners, Lp
Cause
Incorrect Operation
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$500
Incident datetime
2024-09-09 00:00 UTC
Report number
Location
TX
Narrative
On august 12, 2024, a line locating contractor working near the cyclone ctf to thor 10-inch above ground t piping noticed a leak coming from a valve. At approximately 12:38 p.M., western midstream operations pipeline foreman dispatched field personnel to assess the area, field personnel arrived on site and stopped release. On august 12, 2024, at 2:51 p.M. Western midstream confirms crude oil release amount of .23 barrels released. Western midstream determined the lever on ball valve was found in a partial opened position resulting in the primary cause of release and secondly the valve plug was loose both contributed to release. The true cause of lever on ball valve opening is unknown, however in conclusion, we believe this valve was likely opened by livestock as valve is in a rural area. Western midstream in error reports event twice to the nrc (nrc report numbers: 1407937/ 1407940)
Detailed record list
Report Received Date
2024-09-09 00:00:00
Iyear
2024
Report Number
20240215
Supplemental Number
40432
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
31.767352
Location Longitude
-103.866484
Commodity Released Type
Crude Oil
Unintentional Release Bbls
0.23
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Contractor Working For The Operator
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
Non Main Line Valve Shut In Once Arrived On Site Not Affecting Operations
Communication State Fed Ind
No
Nrc Rpt Num
1407728
Additional Nrc Report Numbers
1407937
Ignite Ind
No
Upstream Action Taken
Valve Closure
Upstream Valve Type Ind
Manual
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
Dbm Oil Services, Llc
Segment Name
Cyclone Ctf To Thor Ctf 10" Sec 1 Oil Pl
Onshore State Abbreviation
Tx
Onshore Postal Code
79770
Onshore City Name
Not Within A Municipality
Onshore County Name
Reeves
Designated Location
Survey Station No.
Designated Name
0
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Aboveground
Incident Area Subtype
Other
Incident Area Details
Pipeline Component
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Valve
Valve Type
Auxiliary Or Other Valve
Installation Year
Unknown
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Other
Leak Type Other
Valve
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
No
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
16
Est Cost Prop Damage
500
Est Cost Emergency
500
Est Cost Environmental
11520
Est Cost Other
0
Prpty
12536
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
125
Mop Psig
1440
Mop Cfr Section
Component Design Pressure �195.406(A)(2)
Maop Established Date
2018-04-02 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
1
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
No abnormal pressure drop noted across system and controller was not fatigued during event.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Incorrect Operation
Cause Details
Valve Left Or Placed In Wrong Position, But Not Resulting In A Tank, Vessel, Or Sump/separator Overflow Or Facility Overpressure
Operation Type
Valve Left Or Placed In Wrong Position, But Not Resulting In A Tank, Vessel, Or Sump/separator Overflow Or Facility Overpressure
Related Other Ind
Yes
Operation Related Details
The True Cause Of Lever On Ball Valve Opening Is Unknown, However In Conclusion, We Believe This Valve Was Likely Opened By Livestock As Valve Is In A Rural Area. 5.a, Does Not Apply As We Determined No Employee Involvement During Time Of Event.
Category Type
Non-Routine Operating Conditions (Abnormal Operations Or Emergencies)
Operator Qualification Ind
Yes
Qualified Individuals
No, They Were Not Qualified For The Task(S) Nor Were They Performing The Task(S) Under The Direction And Observation Of A Qualified Individual
Preparer Name
M**** D*****
Preparer Title
Sr. Pipeline Compliance Analyst
Preparer Email
M***********@w***************.com
Preparer Telephone
3619337438
Prepared Date
2025-01-23 00:00:00
Local Contact Name
H**** G****
Local Contact Email
H**********@w***************.com
Local Contact Telephone
432-247-4672
Authorizer Name
L**** N****
Authorizer Telephone
360-910-9493
Authorizer Title
Director Wtx Gathering Delaware Operations
Authorizer Email
L**********@w***************.com
Narrative
On august 12, 2024, a line locating contractor working near the cyclone ctf to thor 10-inch above ground t piping noticed a leak coming from a valve. At approximately 12:38 p.M., western midstream operations pipeline foreman dispatched field personnel to assess the area, field personnel arrived on site and stopped release. On august 12, 2024, at 2:51 p.M. Western midstream confirms crude oil release amount of .23 barrels released. Western midstream determined the lever on ball valve was found in a partial opened position resulting in the primary cause of release and secondly the valve plug was loose both contributed to release. The true cause of lever on ball valve opening is unknown, however in conclusion, we believe this valve was likely opened by livestock as valve is in a rural area. Western midstream in error reports event twice to the nrc (nrc report numbers: 1407937/ 1407940)
| Report Received Date | 2024-09-09 00:00:00 |
|---|---|
| Iyear | 2024 |
| Report Number | 20240215 |
| Supplemental Number | 40432 |
| 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 | 31.767352 Google Maps OpenStreetMap |
| Location Longitude | -103.866484 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 0.23 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Contractor Working For The Operator |
| 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 | Non Main Line Valve Shut In Once Arrived On Site Not Affecting Operations |
| Communication State Fed Ind | No |
| Nrc Rpt Num | 1407728 NRC Report How to search |
| Additional Nrc Report Numbers | 1407937 |
| Ignite Ind | No |
| Upstream Action Taken | Valve Closure |
| Upstream Valve Type Ind | Manual |
| 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 | Dbm Oil Services, Llc |
| Segment Name | Cyclone Ctf To Thor Ctf 10" Sec 1 Oil Pl |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 79770 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Reeves |
| Designated Location | Survey Station No. |
| Designated Name | 0 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Other |
| Incident Area Details | Pipeline Component |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| Item Involved | Valve |
| Valve Type | Auxiliary Or Other Valve |
| Installation Year | Unknown |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Valve |
| Wildlife Impact Ind | No |
| Soil Contamination | Yes |
| Long Term Assessment | No |
| 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 | 16 |
| Est Cost Prop Damage | 500 |
| Est Cost Emergency | 500 |
| Est Cost Environmental | 11520 |
| Est Cost Other | 0 |
| Prpty | 12536 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Accident Psig | 125 |
| Mop Psig | 1440 |
| Mop Cfr Section | Component Design Pressure �195.406(A)(2) View CFR 49 §192 |
| Maop Established Date | 2018-04-02 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 1 |
| 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 | No abnormal pressure drop noted across system and controller was not fatigued during event. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Incorrect Operation |
| Cause Details | Valve Left Or Placed In Wrong Position, But Not Resulting In A Tank, Vessel, Or Sump/separator Overflow Or Facility Overpressure |
| Operation Type | Valve Left Or Placed In Wrong Position, But Not Resulting In A Tank, Vessel, Or Sump/separator Overflow Or Facility Overpressure |
| Related Other Ind | Yes |
| Operation Related Details | The True Cause Of Lever On Ball Valve Opening Is Unknown, However In Conclusion, We Believe This Valve Was Likely Opened By Livestock As Valve Is In A Rural Area. 5.a, Does Not Apply As We Determined No Employee Involvement During Time Of Event. |
| Category Type | Non-Routine Operating Conditions (Abnormal Operations Or Emergencies) |
| Operator Qualification Ind | Yes |
| Qualified Individuals | No, They Were Not Qualified For The Task(S) Nor Were They Performing The Task(S) Under The Direction And Observation Of A Qualified Individual |
| Preparer Name | M**** D***** |
| Preparer Title | Sr. Pipeline Compliance Analyst |
| Preparer Email | M***********@w***************.com |
| Preparer Telephone | 3619337438 |
| Prepared Date | 2025-01-23 00:00:00 |
| Local Contact Name | H**** G**** |
| Local Contact Email | H**********@w***************.com |
| Local Contact Telephone | 432-247-4672 |
| Authorizer Name | L**** N**** |
| Authorizer Telephone | 360-910-9493 |
| Authorizer Title | Director Wtx Gathering Delaware Operations |
| Authorizer Email | L**********@w***************.com |
| Narrative | On august 12, 2024, a line locating contractor working near the cyclone ctf to thor 10-inch above ground t piping noticed a leak coming from a valve. At approximately 12:38 p.M., western midstream operations pipeline foreman dispatched field personnel to assess the area, field personnel arrived on site and stopped release. On august 12, 2024, at 2:51 p.M. Western midstream confirms crude oil release amount of .23 barrels released. Western midstream determined the lever on ball valve was found in a partial opened position resulting in the primary cause of release and secondly the valve plug was loose both contributed to release. The true cause of lever on ball valve opening is unknown, however in conclusion, we believe this valve was likely opened by livestock as valve is in a rural area. Western midstream in error reports event twice to the nrc (nrc report numbers: 1407937/ 1407940) |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA