HL incident on 2022-09-01 — TX

Operator
Enterprise Products Operating 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)
$200
Incident datetime
2022-09-01 19:12
Report number
Location
TX
Narrative
At 1911 cdst on 9/1/2022 a psv at lick creek station released to flare. A local technician was then dispatched to respond to the station. Upon arrival the technician observed that the psv would not reseat and isolated the line in response. Approximately 970 gallons of ethane released to the flare. The psv has been replaced. Upon investigation, cause of the psv's failure to reseat was attributed to a worn o-ring.
Detailed record list
Report Received Date
2022-09-29 00:00:00
Iyear
2022
Report Number
20220226
Supplemental Number
37496
Report Type
Supplemental Final
Operator Id
Name
Enterprise Products Operating Llc
Operator Street Address
1100 Louisiana Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2022-09-01 19:12:00
Time Zone
Central
Daylight Savings Ind
No
Location Latitude
Location Longitude
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
23
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)
Incident Identified Datetime
2022-09-01 19:12:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Status When Identified
Routine Start-Up
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2022-09-01 19:12:00
Restart Datetime
2022-09-01 20:07:00
Communication State Fed Ind
No
On Site Datetime
2022-09-01 19:50:00
Confirmed Discovery Datetime
2022-09-01 19:50:00
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Lick Creek Pump Station
Segment Name
P62 Seymour To Lick Creek
Onshore State Abbreviation
Il
Onshore Postal Code
62912
Onshore City Name
Buncombe
Onshore County Name
Union
Designated Location
Milepost
Designated Name
613
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
Valve
Valve Type
Relief Valve
Installation Year
2014
Manufactured Year
2014
Material Involved
Material Other Than Carbon Steel
Material Details
Stainless Steel
Release Type
Leak
Leak Type
Other
Leak Type Other
Worn Down O-Ring
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
500
Est Cost Prop Damage
200
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
700
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
1425
Mop Psig
1440
Mop Cfr Section
Component Design Pressure �195.406(A)(2)
Maop Established Date
2008-01-01 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
Operator did not contribute to occurrence of accident.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Malfunction Of Control/relief Equipment
Eq Failure Type
Malfunction Of Control/relief Equipment
Relief Valve Ind
Yes
Eq Additional Other Ind
Yes
Eq Additional Other Details
Wear Down Of O-Ring And Gaskets
Preparer Name
R*** T********
Preparer Title
Senior Pipeline Compliance Engineer
Preparer Email
R*********@e****.com
Preparer Telephone
7133814659
Prepared Date
2022-12-20 00:00:00
Authorizer Name
R*** T********
Authorizer Telephone
7133814659
Authorizer Title
Senior Pipeline Compliance Engineer
Authorizer Email
R*********@e****.com
Narrative
At 1911 cdst on 9/1/2022 a psv at lick creek station released to flare. A local technician was then dispatched to respond to the station. Upon arrival the technician observed that the psv would not reseat and isolated the line in response. Approximately 970 gallons of ethane released to the flare. The psv has been replaced. Upon investigation, cause of the psv's failure to reseat was attributed to a worn o-ring.
Report Received Date 2022-09-29 00:00:00
Iyear 2022
Report Number 20220226
Supplemental Number 37496
Report Type Supplemental Final
Operator Id 31618 PHMSA Enforcement
Name Enterprise Products Operating Llc
Operator Street Address 1100 Louisiana Street
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Local Datetime 2022-09-01 19:12:00
Time Zone Central
Daylight Savings Ind No
Location Latitude 37.51056 Google Maps OpenStreetMap
Location Longitude -89.07742 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 23
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)
Incident Identified Datetime 2022-09-01 19:12:00
System Part Involved Onshore Pump/meter Station Equipment And Piping
On Off Shore Onshore
Status When Identified Routine Start-Up
Shutdown Due Accident Ind Yes
Shutdown Datetime 2022-09-01 19:12:00
Restart Datetime 2022-09-01 20:07:00
Communication State Fed Ind No
On Site Datetime 2022-09-01 19:50:00
Confirmed Discovery Datetime 2022-09-01 19:50:00
Nrc Rpt Num Nrc Notification Not Required NRC Report How to search
Ignite Ind No
Num Pub Evacuated 0
Pipe Fac Name Lick Creek Pump Station
Segment Name P62 Seymour To Lick Creek
Onshore State Abbreviation Il
Onshore Postal Code 62912
Onshore City Name Buncombe
Onshore County Name Union
Designated Location Milepost
Designated Name 613
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 Valve
Valve Type Relief Valve
Installation Year 2014
Manufactured Year 2014
Material Involved Material Other Than Carbon Steel
Material Details Stainless Steel
Release Type Leak
Leak Type Other
Leak Type Other Worn Down O-Ring
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 500
Est Cost Prop Damage 200
Est Cost Emergency 0
Est Cost Environmental 0
Est Cost Other 0
Prpty 700
Num Persons Hosp Not Ovnght 0
Num Injured Treated By Emt 0
Num Resident Building Affctd 0
Num Business Building Affctd 0
Accident Psig 1425
Mop Psig 1440
Mop Cfr Section Component Design Pressure �195.406(A)(2) View CFR 49 §192
Maop Established Date 2008-01-01 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 Operator did not contribute to occurrence of accident.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Equipment Failure
Cause Details Malfunction Of Control/relief Equipment
Eq Failure Type Malfunction Of Control/relief Equipment
Relief Valve Ind Yes
Eq Additional Other Ind Yes
Eq Additional Other Details Wear Down Of O-Ring And Gaskets
Preparer Name R*** T********
Preparer Title Senior Pipeline Compliance Engineer
Preparer Email R*********@e****.com
Preparer Telephone 7133814659
Prepared Date 2022-12-20 00:00:00
Authorizer Name R*** T********
Authorizer Telephone 7133814659
Authorizer Title Senior Pipeline Compliance Engineer
Authorizer Email R*********@e****.com
Narrative At 1911 cdst on 9/1/2022 a psv at lick creek station released to flare. A local technician was then dispatched to respond to the station. Upon arrival the technician observed that the psv would not reseat and isolated the line in response. Approximately 970 gallons of ethane released to the flare. The psv has been replaced. Upon investigation, cause of the psv's failure to reseat was attributed to a worn o-ring.

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