HL incident on 2020-08-25 — OK

Operator
Explorer Pipeline Co
Cause
Equipment Failure
Commodity
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$18,000
Incident datetime
2020-08-25 20:57
Report number
Location
OK
Narrative
On tuesday august 25, 2020 at 20:12 the explorer pipeline control center received a vapor monitor alarm at the palestine, texas pump station. The pipeline was shut down and the pump station was isolated from the mainline pipeline. Local personnel arrived at 20:57 and confirmed that the unit 3 inboard pump seal had failed causing a release. The locking washer keyway tab on the inboard pump seal broke and allowed the lock nut to loosen on the shaft. The end thrust of the pump exceed tolerance damaging the inboard pump seal that is composed of a carbon-based material. A total of 200 gallons of gasoline was released from the pump seal but was contained on the property within a check valve vault adjacent to the pump.
Detailed record list
Report Received Date
2020-09-23 00:00:00
Iyear
2020
Report Number
20200260
Supplemental Number
34919
Report Type
Supplemental Final
Operator Id
Name
Explorer Pipeline Co
Operator Street Address
Po Box 2650
Operator City Name
Tulsa
Operator State Abbreviation
OK
Operator Postal Code
74101
Local Datetime
2020-08-25 20:12:00
Location Latitude
Location Longitude
Commodity Released Type
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Commodity Subtype
Gasoline (Non-Ethanol)
Unintentional Release Bbls
4.7
Recovered Bbls
4.7
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Cpm Leak Detection System Or Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Calculations)
Incident Identified Datetime
2020-08-25 20:57:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2020-08-25 20:14:00
Restart Datetime
2020-08-25 22:45:00
On Site Datetime
2020-08-25 20:57:00
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Palestine Pump Station
Segment Name
Palestine Pump Station
Onshore State Abbreviation
Tx
Onshore Postal Code
75853
Onshore City Name
Montalba
Onshore County Name
Anderson
Designated Location
Milepost/valve Station
Designated Name
220.06
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
Installation Year
1971
Material Involved
Material Other Than Carbon Steel
Material Details
Carbon
Release Type
Leak
Leak Type
Seal Or Packing
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
220
Est Cost Prop Damage
18000
Est Cost Emergency
5000
Est Cost Environmental
0
Est Cost Other
0
Prpty
23220
Accident Psig
441
Mop Psig
1152
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
Yes
Cpm Conf Ind
Yes
Investigation Status
Yes, specify investigation result(s): (select all that apply)
Invest Schedule Ind
Yes
Invest No Control Room Ind
Yes
Invest No Controller Ind
Yes
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Pump Or Pump-Related Equipment
Eq Failure Type
Pump Or Pump-Related Equipment
Other Pump Ind
Seal/packing Failure
Additional Vibration Ind
Yes
Preparer Name
K**** E* B****
Preparer Title
Manger Dot And Regulatory Compliance
Preparer Email
K*****@e***.com
Preparer Telephone
9184935104
Prepared Date
2021-02-26 00:00:00
Authorizer Name
L***** S******
Authorizer Telephone
918-359-5471
Authorizer Title
Director Hsse
Authorizer Email
L*******@e***.com
Narrative
On tuesday august 25, 2020 at 20:12 the explorer pipeline control center received a vapor monitor alarm at the palestine, texas pump station. The pipeline was shut down and the pump station was isolated from the mainline pipeline. Local personnel arrived at 20:57 and confirmed that the unit 3 inboard pump seal had failed causing a release. The locking washer keyway tab on the inboard pump seal broke and allowed the lock nut to loosen on the shaft. The end thrust of the pump exceed tolerance damaging the inboard pump seal that is composed of a carbon-based material. A total of 200 gallons of gasoline was released from the pump seal but was contained on the property within a check valve vault adjacent to the pump.
Report Received Date 2020-09-23 00:00:00
Iyear 2020
Report Number 20200260
Supplemental Number 34919
Report Type Supplemental Final
Operator Id 4805 PHMSA Enforcement
Name Explorer Pipeline Co
Operator Street Address Po Box 2650
Operator City Name Tulsa
Operator State Abbreviation OK
Operator Postal Code 74101
Local Datetime 2020-08-25 20:12:00
Location Latitude 31.921735 Google Maps OpenStreetMap
Location Longitude -95.817617 Google Maps OpenStreetMap
Commodity Released Type Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Commodity Subtype Gasoline (Non-Ethanol)
Unintentional Release Bbls 4.7
Recovered Bbls 4.7
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Cpm Leak Detection System Or Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Calculations)
Incident Identified Datetime 2020-08-25 20:57:00
System Part Involved Onshore Pump/meter Station Equipment And Piping
On Off Shore Onshore
Shutdown Due Accident Ind Yes
Shutdown Datetime 2020-08-25 20:14:00
Restart Datetime 2020-08-25 22:45:00
On Site Datetime 2020-08-25 20:57:00
Nrc Rpt Num Nrc Notification Not Required NRC Report How to search
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Pipe Fac Name Palestine Pump Station
Segment Name Palestine Pump Station
Onshore State Abbreviation Tx
Onshore Postal Code 75853
Onshore City Name Montalba
Onshore County Name Anderson
Designated Location Milepost/valve Station
Designated Name 220.06
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
Installation Year 1971
Material Involved Material Other Than Carbon Steel
Material Details Carbon
Release Type Leak
Leak Type Seal Or Packing
Wildlife Impact Ind No
Soil Contamination Yes
Long Term Assessment No
Remediation Ind No
Water Contam Ind No
Could Be Hca Yes
Commodity Reached Hca No
Est Cost Oper Paid 0
Est Cost Gas Released 220
Est Cost Prop Damage 18000
Est Cost Emergency 5000
Est Cost Environmental 0
Est Cost Other 0
Prpty 23220
Accident Psig 441
Mop Psig 1152
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 Yes
Cpm Conf Ind Yes
Investigation Status Yes, specify investigation result(s): (select all that apply)
Invest Schedule Ind Yes
Invest No Control Room Ind Yes
Invest No Controller Ind Yes
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Equipment Failure
Cause Details Pump Or Pump-Related Equipment
Eq Failure Type Pump Or Pump-Related Equipment
Other Pump Ind Seal/packing Failure
Additional Vibration Ind Yes
Preparer Name K**** E* B****
Preparer Title Manger Dot And Regulatory Compliance
Preparer Email K*****@e***.com
Preparer Telephone 9184935104
Prepared Date 2021-02-26 00:00:00
Authorizer Name L***** S******
Authorizer Telephone 918-359-5471
Authorizer Title Director Hsse
Authorizer Email L*******@e***.com
Narrative On tuesday august 25, 2020 at 20:12 the explorer pipeline control center received a vapor monitor alarm at the palestine, texas pump station. The pipeline was shut down and the pump station was isolated from the mainline pipeline. Local personnel arrived at 20:57 and confirmed that the unit 3 inboard pump seal had failed causing a release. The locking washer keyway tab on the inboard pump seal broke and allowed the lock nut to loosen on the shaft. The end thrust of the pump exceed tolerance damaging the inboard pump seal that is composed of a carbon-based material. A total of 200 gallons of gasoline was released from the pump seal but was contained on the property within a check valve vault adjacent to the pump.

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