HL incident on 2019-05-16 — TX

Operator
Shell Pipeline Co., L.p.
Cause
Equipment Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$350,000
Incident datetime
2019-05-16 08:30
Report number
Location
TX
Narrative
At approximately 6:58 am 5/16/19 houston control center received a seal failure alarm for fourchon booster unit 3 followed by a station lockout. Hcc immediately notified local leadership and technicians were dispatched to the location. Upon arrival it was observed crude oil had released from unit 3 and had migrated to local ditches inside the secondary containment berm. Approximately 297 bbls of crude released from the unit. Splc emergency response dispatched remediation teams and notified regulatory agencies. Root cause analysis was performed and learning from incident (lfi) was published to share the cause and lesson learned from this incident. Few recommendations and corrective actions are taken to prevent recurrence of such incident. The root cause(s) of the incident are: o the unit 3 inboard seal failed due to axial movement. O there was a logic error causing the mov breaker to open due to switching directions without a time delay. O internally passing station valves did not effectively isolate the station.
Detailed record list
Report Received Date
2019-05-24 00:00:00
Iyear
2019
Report Number
20190169
Supplemental Number
32963
Report Type
Supplemental Final
Operator Id
Name
Shell Pipeline Co., L.p.
Operator Street Address
150 North Dairy Ashford Road Wck Bldg. A
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77079
Local Datetime
2019-05-16 08:30:00
Location Latitude
Location Longitude
Commodity Released Type
Crude Oil
Unintentional Release Bbls
297
Recovered Bbls
297
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
2019-05-16 08:30:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
No Required
On Site Datetime
2019-05-16 08:30:00
Nrc Rpt Datetime
2019-05-16 09:14:00
Nrc Rpt Num
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Fourchon Booster Station
Segment Name
Fourchon Booster Station
Onshore State Abbreviation
La
Onshore Postal Code
70357
Onshore City Name
Golden Meadow
Onshore County Name
Lafourche
Designated Location
Milepost/valve Station
Designated Name
Pump Station
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
1998
Material Involved
Material Other Than Carbon Steel
Material Details
Seal Failure
Release Type
Other
Release Type Details
Pump Seal Failure
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
Yes
Commodity Reached Hca
Yes
High Pop Ind
Yes
High Pop Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
15000
Est Cost Prop Damage
350000
Est Cost Emergency
550000
Est Cost Environmental
200000
Est Cost Other
0
Prpty
1115000
Accident Psig
1000
Mop Psig
1800
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, but the investigation of the control room and/or controller actions has not yet been completed by the operator (supplemental report required)
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
Eq Additional Other Ind
Yes
Eq Additional Other Details
Inboard Seal Failed Due To Axial Movement
Preparer Name
S**** I****
Preparer Title
Intergrity Management And Regulatory Engineer
Preparer Email
S**********@s****.com
Preparer Telephone
832-762-2666
Prepared Date
2019-11-20 00:00:00
Authorizer Name
D****** P****
Authorizer Telephone
832-762-2553
Authorizer Title
Integrity And Regulatory Services Manager
Authorizer Email
D************@s****.com
Narrative
At approximately 6:58 am 5/16/19 houston control center received a seal failure alarm for fourchon booster unit 3 followed by a station lockout. Hcc immediately notified local leadership and technicians were dispatched to the location. Upon arrival it was observed crude oil had released from unit 3 and had migrated to local ditches inside the secondary containment berm. Approximately 297 bbls of crude released from the unit. Splc emergency response dispatched remediation teams and notified regulatory agencies. Root cause analysis was performed and learning from incident (lfi) was published to share the cause and lesson learned from this incident. Few recommendations and corrective actions are taken to prevent recurrence of such incident. The root cause(s) of the incident are: o the unit 3 inboard seal failed due to axial movement. O there was a logic error causing the mov breaker to open due to switching directions without a time delay. O internally passing station valves did not effectively isolate the station.
Report Received Date 2019-05-24 00:00:00
Iyear 2019
Report Number 20190169
Supplemental Number 32963
Report Type Supplemental Final
Operator Id 31174 PHMSA Enforcement
Name Shell Pipeline Co., L.p.
Operator Street Address 150 North Dairy Ashford Road Wck Bldg. A
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77079
Local Datetime 2019-05-16 08:30:00
Location Latitude 29.156667 Google Maps OpenStreetMap
Location Longitude -90.175711 Google Maps OpenStreetMap
Commodity Released Type Crude Oil
Unintentional Release Bbls 297
Recovered Bbls 297
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 2019-05-16 08:30:00
System Part Involved Onshore Pump/meter Station Equipment And Piping
On Off Shore Onshore
Shutdown Due Accident Ind No
Shutdown Explain No Required
On Site Datetime 2019-05-16 08:30:00
Nrc Rpt Datetime 2019-05-16 09:14:00
Nrc Rpt Num 1245837 NRC Report How to search
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Pipe Fac Name Fourchon Booster Station
Segment Name Fourchon Booster Station
Onshore State Abbreviation La
Onshore Postal Code 70357
Onshore City Name Golden Meadow
Onshore County Name Lafourche
Designated Location Milepost/valve Station
Designated Name Pump Station
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 1998
Material Involved Material Other Than Carbon Steel
Material Details Seal Failure
Release Type Other
Release Type Details Pump Seal Failure
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 Yes
Commodity Reached Hca Yes
High Pop Ind Yes
High Pop Yes No Yes
Est Cost Oper Paid 0
Est Cost Gas Released 15000
Est Cost Prop Damage 350000
Est Cost Emergency 550000
Est Cost Environmental 200000
Est Cost Other 0
Prpty 1115000
Accident Psig 1000
Mop Psig 1800
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, but the investigation of the control room and/or controller actions has not yet been completed by the operator (supplemental report required)
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
Eq Additional Other Ind Yes
Eq Additional Other Details Inboard Seal Failed Due To Axial Movement
Preparer Name S**** I****
Preparer Title Intergrity Management And Regulatory Engineer
Preparer Email S**********@s****.com
Preparer Telephone 832-762-2666
Prepared Date 2019-11-20 00:00:00
Authorizer Name D****** P****
Authorizer Telephone 832-762-2553
Authorizer Title Integrity And Regulatory Services Manager
Authorizer Email D************@s****.com
Narrative At approximately 6:58 am 5/16/19 houston control center received a seal failure alarm for fourchon booster unit 3 followed by a station lockout. Hcc immediately notified local leadership and technicians were dispatched to the location. Upon arrival it was observed crude oil had released from unit 3 and had migrated to local ditches inside the secondary containment berm. Approximately 297 bbls of crude released from the unit. Splc emergency response dispatched remediation teams and notified regulatory agencies. Root cause analysis was performed and learning from incident (lfi) was published to share the cause and lesson learned from this incident. Few recommendations and corrective actions are taken to prevent recurrence of such incident. The root cause(s) of the incident are: o the unit 3 inboard seal failed due to axial movement. O there was a logic error causing the mov breaker to open due to switching directions without a time delay. O internally passing station valves did not effectively isolate the station.

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