Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2020-12-03 — TX
Operator
Wink To Webster Pipeline, Llc
Cause
Equipment Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$0
Incident datetime
2020-12-03 13:44
Report number
Location
TX
Narrative
On december 3 at approximately 13:44 enterprise personnel notified the exxonmobil pipeline company (empco) occ of a spill at the wink to webster pipeline echo station which is located within the enterprise tank farm. Empco occ shut the pipeline down and isolated the facility at 13:58. Empco personnel arrived onsite at approximately 14:17 and confirmed the spill. Empco made the appropriate regulatory notifications. Empco responded and cleaned up the spill site. Empco has removed all similar flow switch devices from the wink to webster pipeline system pending the outcome of the investigation. Update: 1/15/2021 filed supplemental report with the following information. Please note, the cause of the bellows seal fail is still under investigation pending discussions with the vendor and an additional supplemental report will be filed once completed. Updated part g, selected g6 - equipment failure, other and listed "bellows seal on flow switch" updated part d, 8 with cost information. Update 2/10/21 -updated part g.6 #6 - additional factors that contributed to the equipment failure: excessive pulsation of the flow switch paddle caused the equipment failure, which was due to the location of the switch being downstream of a control valve, created excessive flow pulsation conditions. Updated information 2/10/21 - the flow switch was removed from the location and will not be replaced. Updated 10/5/2021 - updated section g6 to non-threaded connection per PHMSA's request. (please note: exxonmobil pipeline company is the contractual services provider for wink to webster pipeline, llc)
Detailed record list
Report Received Date
2020-12-18 00:00:00
Iyear
2020
Report Number
20200334
Supplemental Number
35824
Report Type
Supplemental Final
Operator Id
40026
Name
Wink To Webster Pipeline, Llc
Operator Street Address
22777 Springwoods Village Parkway E2.2b-Emp
Operator City Name
Spring
Operator State Abbreviation
TX
Operator Postal Code
77389
Local Datetime
2020-12-03 13:44:00
Location Latitude
29.6121071
Location Longitude
-95.186078
Commodity Released Type
Crude Oil
Unintentional Release Bbls
1.2
Recovered Bbls
1.2
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Other
Accident Details
Third Party Operator
Incident Identified Datetime
2020-12-03 13:44:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2020-12-03 13:42:00
Restart Datetime
2020-12-07 14:15:00
On Site Datetime
2020-12-03 14:17:00
Nrc Rpt Datetime
2020-12-03 15:08:00
Nrc Rpt Num
1293469
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Echo Station
Segment Name
Wink To Webster 36" Pipeline At Echo Station
Onshore State Abbreviation
Tx
Onshore Postal Code
77034
Onshore City Name
Houston
Onshore County Name
Harris
Designated Location
Survey Station No.
Designated Name
6849 East Sam
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
Intrastate
Item Involved
Other
Item Involved Details
Flow Switch
Installation Year
2020
Material Involved
Material Other Than Carbon Steel
Material Details
O" Ring
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
Yes
Commodity Reached Hca
Yes
Other Pop Ind
Yes
Other Pop Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
50
Est Cost Prop Damage
0
Est Cost Emergency
0
Est Cost Environmental
81000
Est Cost Other
0
Prpty
81050
Accident Psig
27
Mop Psig
285
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
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
Not occ related
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
Other
Other Non Threaded Details
Bellows Seal On Flow Switch.
Eq Additional Other Ind
Yes
Eq Additional Other Details
Excessive Pulsation On Flow Switch Paddle
Preparer Name
R***** P S**********
Preparer Title
Pipeline Safety Advisor
Preparer Email
R*******************@e*********.com
Preparer Telephone
832-625-3838
Prepared Date
2021-10-05 00:00:00
Authorizer Name
C******* B* H********
Authorizer Telephone
832-624-7920
Authorizer Title
Empco Sshe Manager
Authorizer Email
C*******************@e*********.com
Narrative
On december 3 at approximately 13:44 enterprise personnel notified the exxonmobil pipeline company (empco) occ of a spill at the wink to webster pipeline echo station which is located within the enterprise tank farm. Empco occ shut the pipeline down and isolated the facility at 13:58. Empco personnel arrived onsite at approximately 14:17 and confirmed the spill. Empco made the appropriate regulatory notifications. Empco responded and cleaned up the spill site. Empco has removed all similar flow switch devices from the wink to webster pipeline system pending the outcome of the investigation. Update: 1/15/2021 filed supplemental report with the following information. Please note, the cause of the bellows seal fail is still under investigation pending discussions with the vendor and an additional supplemental report will be filed once completed. Updated part g, selected g6 - equipment failure, other and listed "bellows seal on flow switch" updated part d, 8 with cost information. Update 2/10/21 -updated part g.6 #6 - additional factors that contributed to the equipment failure: excessive pulsation of the flow switch paddle caused the equipment failure, which was due to the location of the switch being downstream of a control valve, created excessive flow pulsation conditions. Updated information 2/10/21 - the flow switch was removed from the location and will not be replaced. Updated 10/5/2021 - updated section g6 to non-threaded connection per PHMSA's request. (please note: exxonmobil pipeline company is the contractual services provider for wink to webster pipeline, llc)
| Report Received Date | 2020-12-18 00:00:00 |
|---|---|
| Iyear | 2020 |
| Report Number | 20200334 |
| Supplemental Number | 35824 |
| Report Type | Supplemental Final |
| Operator Id | 40026 PHMSA Enforcement |
| Name | Wink To Webster Pipeline, Llc |
| Operator Street Address | 22777 Springwoods Village Parkway E2.2b-Emp |
| Operator City Name | Spring |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77389 |
| Local Datetime | 2020-12-03 13:44:00 |
| Location Latitude | 29.6121071 Google Maps OpenStreetMap |
| Location Longitude | -95.186078 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 1.2 |
| Recovered Bbls | 1.2 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Other |
| Accident Details | Third Party Operator |
| Incident Identified Datetime | 2020-12-03 13:44:00 |
| System Part Involved | Onshore Pump/meter Station Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2020-12-03 13:42:00 |
| Restart Datetime | 2020-12-07 14:15:00 |
| On Site Datetime | 2020-12-03 14:17:00 |
| Nrc Rpt Datetime | 2020-12-03 15:08:00 |
| Nrc Rpt Num | 1293469 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Echo Station |
| Segment Name | Wink To Webster 36" Pipeline At Echo Station |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77034 |
| Onshore City Name | Houston |
| Onshore County Name | Harris |
| Designated Location | Survey Station No. |
| Designated Name | 6849 East Sam |
| 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 | Intrastate |
| Item Involved | Other |
| Item Involved Details | Flow Switch |
| Installation Year | 2020 |
| Material Involved | Material Other Than Carbon Steel |
| Material Details | O" Ring |
| 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 | Yes |
| Commodity Reached Hca | Yes |
| Other Pop Ind | Yes |
| Other Pop Yes No | Yes |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 50 |
| Est Cost Prop Damage | 0 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 81000 |
| Est Cost Other | 0 |
| Prpty | 81050 |
| Accident Psig | 27 |
| Mop Psig | 285 |
| 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 | 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 | Not occ related |
| 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 | Other |
| Other Non Threaded Details | Bellows Seal On Flow Switch. |
| Eq Additional Other Ind | Yes |
| Eq Additional Other Details | Excessive Pulsation On Flow Switch Paddle |
| Preparer Name | R***** P S********** |
| Preparer Title | Pipeline Safety Advisor |
| Preparer Email | R*******************@e*********.com |
| Preparer Telephone | 832-625-3838 |
| Prepared Date | 2021-10-05 00:00:00 |
| Authorizer Name | C******* B* H******** |
| Authorizer Telephone | 832-624-7920 |
| Authorizer Title | Empco Sshe Manager |
| Authorizer Email | C*******************@e*********.com |
| Narrative | On december 3 at approximately 13:44 enterprise personnel notified the exxonmobil pipeline company (empco) occ of a spill at the wink to webster pipeline echo station which is located within the enterprise tank farm. Empco occ shut the pipeline down and isolated the facility at 13:58. Empco personnel arrived onsite at approximately 14:17 and confirmed the spill. Empco made the appropriate regulatory notifications. Empco responded and cleaned up the spill site. Empco has removed all similar flow switch devices from the wink to webster pipeline system pending the outcome of the investigation. Update: 1/15/2021 filed supplemental report with the following information. Please note, the cause of the bellows seal fail is still under investigation pending discussions with the vendor and an additional supplemental report will be filed once completed. Updated part g, selected g6 - equipment failure, other and listed "bellows seal on flow switch" updated part d, 8 with cost information. Update 2/10/21 -updated part g.6 #6 - additional factors that contributed to the equipment failure: excessive pulsation of the flow switch paddle caused the equipment failure, which was due to the location of the switch being downstream of a control valve, created excessive flow pulsation conditions. Updated information 2/10/21 - the flow switch was removed from the location and will not be replaced. Updated 10/5/2021 - updated section g6 to non-threaded connection per PHMSA's request. (please note: exxonmobil pipeline company is the contractual services provider for wink to webster pipeline, llc) |
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