Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2025-05-29 — OK
Operator
Williams Field Services
Cause
Equipment Failure
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)
$236,000
Incident datetime
2025-05-29 00:00 UTC
Report number
Location
OK
Narrative
A valve at the mp 21.5 site was leaking through the valve stem packing. Less than 2 gallons of ngl's were released and flashed off to atmosphere. Operators pumped sealant into the valve stem and that stopped the leak. Replacement is planned for mid-june 2025.
Detailed record list
Report Received Date
2025-05-29 00:00:00
Iyear
2025
Report Number
20250131
Supplemental Number
40962
Report Type
Original
Operator Id
30826
Name
Williams Field Services
Operator Street Address
One Williams Center Wrc-3
Operator City Name
Tulsa
Operator State Abbreviation
OK
Operator Postal Code
74172
Time Zone
Mountain
Daylight Savings Ind
Yes
Location Latitude
39.757019
Location Longitude
-108.152416
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
0.1
Intentional Release Bbls
0
Recovered Bbls
0
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
Valve Body Was Repacked With Grease Which Minimized Amount Of Product Leaking.
Communication State Fed Ind
No
Nrc Rpt Num
1430016
Additional Nrc Report Numbers
1430082
Ignite Ind
No
Upstream Action Taken
Operational Control
Upstream Oprtnl Cntrl Detail
Valve Body Was Repacked With Grease Which Minimized Amount Of Product Leaking.
Downstream Action Taken
Operational Control
Downstream Oprtnl Cntrl Detail
Valve Body Was Repacked With Grease Which Minimized Amount Of Product Leaking.
Num Pub Evacuated
0
Pipe Fac Name
20005 T-T-T - Parachute Greasewood Express
Segment Name
Mp 21.5 Valve Site
Onshore State Abbreviation
Co
Onshore Postal Code
81650
Onshore City Name
Rifle
Onshore County Name
Rio Blanco
Designated Location
Milepost
Designated Name
21.5
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Valve
Valve Type
Mainline
Valve Mainline Type
Ball
Valve Manufacturer
Cameron
Installation Year
2008
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Seal Or Packing
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
1
Est Cost Prop Damage
236000
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
236001
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
550
Mop Psig
1204
Mop Cfr Section
Subpart E Pressure Test �195.406(A)(3)
Maop Established Date
2007-01-01 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
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
Leak was located on the valve stem, and would not have been visible to the controllers.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Non-Threaded Connection Failure
Eq Failure Type
Non-Threaded Connection Failure
Other Non Threaded Ind
Seal (Not Pump Seal) Or Packing
Eq Additional Other Ind
Yes
Eq Additional Other Details
Valve Stem Packing Leaking.
Eqf Non Threaded Ind
Yes
Preparer Name
L***** S*****
Preparer Title
Regulatory Compliance Specialist Ii
Preparer Email
L************@w*******.com
Preparer Telephone
740-584-8145
Prepared Date
2025-05-29 00:00:00
Local Contact Name
M***** S******
Local Contact Email
M*************@w*******.com
Local Contact Telephone
970-216-5113
Authorizer Name
L***** H***
Authorizer Telephone
918-573-4806
Authorizer Title
Manager Pipeline Safety
Authorizer Email
L**********@w*******.com
Narrative
A valve at the mp 21.5 site was leaking through the valve stem packing. Less than 2 gallons of ngl's were released and flashed off to atmosphere. Operators pumped sealant into the valve stem and that stopped the leak. Replacement is planned for mid-june 2025.
| Report Received Date | 2025-05-29 00:00:00 |
|---|---|
| Iyear | 2025 |
| Report Number | 20250131 |
| Supplemental Number | 40962 |
| Report Type | Original |
| Operator Id | 30826 PHMSA Enforcement |
| Name | Williams Field Services |
| Operator Street Address | One Williams Center Wrc-3 |
| Operator City Name | Tulsa |
| Operator State Abbreviation | OK |
| Operator Postal Code | 74172 |
| Time Zone | Mountain |
| Daylight Savings Ind | Yes |
| Location Latitude | 39.757019 Google Maps OpenStreetMap |
| Location Longitude | -108.152416 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 | 0.1 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| 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 | Valve Body Was Repacked With Grease Which Minimized Amount Of Product Leaking. |
| Communication State Fed Ind | No |
| Nrc Rpt Num | 1430016 NRC Report How to search |
| Additional Nrc Report Numbers | 1430082 |
| Ignite Ind | No |
| Upstream Action Taken | Operational Control |
| Upstream Oprtnl Cntrl Detail | Valve Body Was Repacked With Grease Which Minimized Amount Of Product Leaking. |
| Downstream Action Taken | Operational Control |
| Downstream Oprtnl Cntrl Detail | Valve Body Was Repacked With Grease Which Minimized Amount Of Product Leaking. |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | 20005 T-T-T - Parachute Greasewood Express |
| Segment Name | Mp 21.5 Valve Site |
| Onshore State Abbreviation | Co |
| Onshore Postal Code | 81650 |
| Onshore City Name | Rifle |
| Onshore County Name | Rio Blanco |
| Designated Location | Milepost |
| Designated Name | 21.5 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| Item Involved | Valve |
| Valve Type | Mainline |
| Valve Mainline Type | Ball |
| Valve Manufacturer | Cameron |
| Installation Year | 2008 |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Seal Or Packing |
| 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 | 1 |
| Est Cost Prop Damage | 236000 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 236001 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Accident Psig | 550 |
| Mop Psig | 1204 |
| Mop Cfr Section | Subpart E Pressure Test �195.406(A)(3) View CFR 49 §192 |
| Maop Established Date | 2007-01-01 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 | 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 | Leak was located on the valve stem, and would not have been visible to the controllers. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Non-Threaded Connection Failure |
| Eq Failure Type | Non-Threaded Connection Failure |
| Other Non Threaded Ind | Seal (Not Pump Seal) Or Packing |
| Eq Additional Other Ind | Yes |
| Eq Additional Other Details | Valve Stem Packing Leaking. |
| Eqf Non Threaded Ind | Yes |
| Preparer Name | L***** S***** |
| Preparer Title | Regulatory Compliance Specialist Ii |
| Preparer Email | L************@w*******.com |
| Preparer Telephone | 740-584-8145 |
| Prepared Date | 2025-05-29 00:00:00 |
| Local Contact Name | M***** S****** |
| Local Contact Email | M*************@w*******.com |
| Local Contact Telephone | 970-216-5113 |
| Authorizer Name | L***** H*** |
| Authorizer Telephone | 918-573-4806 |
| Authorizer Title | Manager Pipeline Safety |
| Authorizer Email | L**********@w*******.com |
| Narrative | A valve at the mp 21.5 site was leaking through the valve stem packing. Less than 2 gallons of ngl's were released and flashed off to atmosphere. Operators pumped sealant into the valve stem and that stopped the leak. Replacement is planned for mid-june 2025. |
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