Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2023-07-27 — TX
Operator
Williams Olefins Feedstock Pipelines, Llc
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)
$450
Incident datetime
2023-07-27 00:00 UTC
Report number
Location
TX
Narrative
At approximately 10:30 pm, on july 5, 2023, tulsa pipeline control received multiple gas detector alarms at the ptr2 - pt arthur ethane pump station. The hi hi gas detector alarm was activated that, by design, automatically isolated the station by shutting all the valves. The controller on the board at the time, called operations technician to respond. Technician arrived at approximately 11:00 pm and confirmed a leak. Technician isolated the leak (closed valves v216 and v125), at approximately 11:14 pm, and tulsa pipeline control flagged the pump to be offline until permanent repairs could be made. Technician called supervisor to inform him of the leak and that the p200 pump had been locked out. Station alarms and shutdowns were cleared at 11:30pm. Technician called the soc at 11:40pm to report the release. Technician called the tulsa pipeline control center at 11:59 pm to report the station was secured and release mitigated. Investigation still ongoing update 9/12/2023 - pump back in service as of 8/3/2023, pump was repaired on 7/5/2023 and investigation was completed on 7/12/2023
Detailed record list
Report Received Date
2023-07-27 00:00:00
Iyear
2023
Report Number
20230171
Supplemental Number
38529
Report Type
Supplemental Final
Operator Id
32614
Name
Williams Olefins Feedstock Pipelines, Llc
Operator Street Address
9 Greenway Plaza Suite 2800
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77046
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
29.940306
Location Longitude
-93.958889
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Other Hvl
Commodity Details
Ethane
Unintentional Release Bbls
668
Intentional Release Bbls
0
Recovered Bbls
0
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 Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Status When Identified
Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind
Yes
Communication State Fed Ind
No
Nrc Rpt Num
1372220
Additional Nrc Report Numbers
1372351
Ignite Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Port Arthur Pump Station
Segment Name
Ptr2
Onshore State Abbreviation
Tx
Onshore Postal Code
77460
Onshore City Name
Port Arthur
Onshore County Name
Jefferson
Designated Location
Milepost
Designated Name
62.65
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pump
Pump Type
Centrifugal
Pump Service Type
Mainline
Installation Year
2014
Manufactured Year
Unknown
Material Involved
Material Other Than Carbon Steel
Material Details
Stainless Steel
Release Type
Other
Release Type Details
Component Failed
Wildlife Impact Ind
No
Soil Contamination
No
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
Yes
High Pop Ind
Yes
High Pop Yes No
Yes
Other Pop Ind
Yes
Other Pop Yes No
No
Est Cost Oper Paid
0
Est Cost Gas Released
214
Est Cost Prop Damage
450
Est Cost Emergency
350
Est Cost Environmental
0
Est Cost Other
0
Prpty
1014
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
838
Mop Psig
1218
Mop Cfr Section
Component Design Pressure �195.406(A)(2)
Maop Established Date
2013-03-24 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction 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
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
Fitting broke through the threads
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Threaded Connection/coupling Failure
Eq Failure Type
Threaded Connection/coupling Failure
Other Stripped Ind
Threaded Fitting
Additional Vibration Ind
Yes
Ief Addl Misalignment Ind
Yes
Preparer Name
E**** R********
Preparer Title
Regulatory Compliance Specialist Sr.
Preparer Email
E****************@w*******.com
Preparer Telephone
713-303-9956
Prepared Date
2023-09-12 00:00:00
Local Contact Name
J*** D****
Local Contact Email
J*********@w*******.com
Local Contact Telephone
281-457-4056
Authorizer Name
J*** B***
Authorizer Telephone
3373179145
Authorizer Title
Manager Pipeline Safety
Authorizer Email
J********@w*******.com
Narrative
At approximately 10:30 pm, on july 5, 2023, tulsa pipeline control received multiple gas detector alarms at the ptr2 - pt arthur ethane pump station. The hi hi gas detector alarm was activated that, by design, automatically isolated the station by shutting all the valves. The controller on the board at the time, called operations technician to respond. Technician arrived at approximately 11:00 pm and confirmed a leak. Technician isolated the leak (closed valves v216 and v125), at approximately 11:14 pm, and tulsa pipeline control flagged the pump to be offline until permanent repairs could be made. Technician called supervisor to inform him of the leak and that the p200 pump had been locked out. Station alarms and shutdowns were cleared at 11:30pm. Technician called the soc at 11:40pm to report the release. Technician called the tulsa pipeline control center at 11:59 pm to report the station was secured and release mitigated. Investigation still ongoing update 9/12/2023 - pump back in service as of 8/3/2023, pump was repaired on 7/5/2023 and investigation was completed on 7/12/2023
| Report Received Date | 2023-07-27 00:00:00 |
|---|---|
| Iyear | 2023 |
| Report Number | 20230171 |
| Supplemental Number | 38529 |
| Report Type | Supplemental Final |
| Operator Id | 32614 PHMSA Enforcement |
| Name | Williams Olefins Feedstock Pipelines, Llc |
| Operator Street Address | 9 Greenway Plaza Suite 2800 |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77046 |
| Time Zone | Central |
| Daylight Savings Ind | Yes |
| Location Latitude | 29.940306 Google Maps OpenStreetMap |
| Location Longitude | -93.958889 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Commodity Subtype | Other Hvl |
| Commodity Details | Ethane |
| Unintentional Release Bbls | 668 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| 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 Pump/meter Station Equipment And Piping |
| On Off Shore | Onshore |
| Status When Identified | Normal Operation, Includes Pauses Between Batches And During Maintenance |
| Shutdown Due Accident Ind | Yes |
| Communication State Fed Ind | No |
| Nrc Rpt Num | 1372220 NRC Report How to search |
| Additional Nrc Report Numbers | 1372351 |
| Ignite Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Port Arthur Pump Station |
| Segment Name | Ptr2 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77460 |
| Onshore City Name | Port Arthur |
| Onshore County Name | Jefferson |
| Designated Location | Milepost |
| Designated Name | 62.65 |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Pump |
| Pump Type | Centrifugal |
| Pump Service Type | Mainline |
| Installation Year | 2014 |
| Manufactured Year | Unknown |
| Material Involved | Material Other Than Carbon Steel |
| Material Details | Stainless Steel |
| Release Type | Other |
| Release Type Details | Component Failed |
| Wildlife Impact Ind | No |
| Soil Contamination | No |
| Long Term Assessment | No |
| Remediation Ind | No |
| Water Contam Ind | No |
| Could Be Hca | Yes |
| Commodity Reached Hca | Yes |
| High Pop Ind | Yes |
| High Pop Yes No | Yes |
| Other Pop Ind | Yes |
| Other Pop Yes No | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 214 |
| Est Cost Prop Damage | 450 |
| Est Cost Emergency | 350 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 1014 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Accident Psig | 838 |
| Mop Psig | 1218 |
| Mop Cfr Section | Component Design Pressure �195.406(A)(2) View CFR 49 §192 |
| Maop Established Date | 2013-03-24 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction 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 | 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 | Fitting broke through the threads |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Threaded Connection/coupling Failure |
| Eq Failure Type | Threaded Connection/coupling Failure |
| Other Stripped Ind | Threaded Fitting |
| Additional Vibration Ind | Yes |
| Ief Addl Misalignment Ind | Yes |
| Preparer Name | E**** R******** |
| Preparer Title | Regulatory Compliance Specialist Sr. |
| Preparer Email | E****************@w*******.com |
| Preparer Telephone | 713-303-9956 |
| Prepared Date | 2023-09-12 00:00:00 |
| Local Contact Name | J*** D**** |
| Local Contact Email | J*********@w*******.com |
| Local Contact Telephone | 281-457-4056 |
| Authorizer Name | J*** B*** |
| Authorizer Telephone | 3373179145 |
| Authorizer Title | Manager Pipeline Safety |
| Authorizer Email | J********@w*******.com |
| Narrative | At approximately 10:30 pm, on july 5, 2023, tulsa pipeline control received multiple gas detector alarms at the ptr2 - pt arthur ethane pump station. The hi hi gas detector alarm was activated that, by design, automatically isolated the station by shutting all the valves. The controller on the board at the time, called operations technician to respond. Technician arrived at approximately 11:00 pm and confirmed a leak. Technician isolated the leak (closed valves v216 and v125), at approximately 11:14 pm, and tulsa pipeline control flagged the pump to be offline until permanent repairs could be made. Technician called supervisor to inform him of the leak and that the p200 pump had been locked out. Station alarms and shutdowns were cleared at 11:30pm. Technician called the soc at 11:40pm to report the release. Technician called the tulsa pipeline control center at 11:59 pm to report the station was secured and release mitigated. Investigation still ongoing update 9/12/2023 - pump back in service as of 8/3/2023, pump was repaired on 7/5/2023 and investigation was completed on 7/12/2023 |
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