HL incident on 2022-07-14 — TX

Operator
Enterprise Products Operating Llc
Cause
Corrosion 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)
$36,000
Incident datetime
2022-07-14 10:27
Report number
Location
TX
Narrative
On 7/14/2022, at 10:27 am, local contractors notified enterprise of a leak on line 914j-100 in morgan's point facility. Enterprise personnel arrived on site at 10:30 am and confirmed the leak. The control room was notified and the leak site was isolated. At 10:35 am, the controller confirmed there was zero flow on the affected segment. At 12:37 pm, a pipe clamp was securely installed ending the release. At 4:15 pm, enterprise determined the leak volume reporting criteria was met and notified the trrc at 5:07 pm, incident report number 2663. The nrc was also notified, however it was later determined that reporting criteria was not met. The failed segment was cut out and replaced. The cutout was examined and the cause of the failure was determined to be external corrosion. 48-hour update to nrc performed on 7/16/2022 at 12:31 pm - 1341681
Detailed record list
Report Received Date
2022-08-12 00:00:00
Iyear
2022
Report Number
20220182
Supplemental Number
36976
Report Type
Original 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
2022-07-14 10:27:00
Time Zone
Central
Daylight Savings Ind
Yes
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
Isobutane
Unintentional Release Bbls
298
Intentional Release Bbls
16
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Contractor Working For The Operator
Incident Identified Datetime
2022-07-14 10:27:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Status When Identified
Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2022-07-14 10:35:00
Restart Datetime
2022-07-16 18:42:00
Communication State Fed Ind
No
On Site Datetime
2022-07-14 10:30:00
Confirmed Discovery Datetime
2022-07-14 10:30:00
Nrc Rpt Datetime
2022-07-14 16:53:00
Nrc Rpt Num
Additional Nrc Report Numbers
1341681
Ignite Ind
No
Upstream Action Taken
Valve Closure
Upstream Valve Close Datetime
2022-07-14 10:32:00
Upstream Valve Type Ind
Remotely Controlled
Downstream Action Taken
Valve Closure
Downstream Vlv Close Datetime
2022-07-14 10:35:00
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Morgans Point To Lubrizol South #14
Segment Name
914j-100
Onshore State Abbreviation
Tx
Onshore Postal Code
77571
Onshore City Name
La Porte
Onshore County Name
Harris
Designated Location
Survey Station No.
Designated Name
0+20
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
Pipe
Pipe Type
Pipe Body
Puddle Weld Ind
No
Pipe Diameter
4
Pipe Wall Thickness
0.237
Pipe Smys
35000
Pipe Specification
Unknown
Pipe Seam Type
Seamless
Pipe Manufacturer
Unknown
Pipe Coating Type
Coal Tar
Coating Applied Ind
No
Installation Year
1956
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
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
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
450
Est Cost Prop Damage
36000
Est Cost Emergency
4500
Est Cost Environmental
0
Est Cost Other
0
Prpty
40950
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
60
Mop Psig
275
Mop Cfr Section
Component Design Pressure �195.406(A)(2)
Maop Established Date
1956-01-01 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
400
Internal Inspection Ind
No
Other Inspection Ind
Yes
Internal Inspection Details
Piping Is Inside The Station.
Operation Complications Ind
Yes
Other Complications Ind
Yes
Inspect Comp Details
Piping Is Inside The Station.
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
The leak occurred during normal maintenance activities and was identified immediately by contractor on site performing the work.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
External Corrosion
Internal External
External Corrosion
Visual Exam Results
Localized Pitting
Atmosphere Corrosion Ind
Yes
Field Exam Basis Ind
Yes
Underground Location
No
Externally Coated
Yes
Prior Damage
Yes
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
M****** G*****
Preparer Title
Pipeline Compliance Engineer
Preparer Email
M******@e****.com
Preparer Telephone
713-381-4637
Prepared Date
2022-08-12 00:00:00
Authorizer Name
N*** T*****
Authorizer Telephone
713-381-2493
Authorizer Title
Compliance Senior Manager
Authorizer Email
N*******@e****.com
Narrative
On 7/14/2022, at 10:27 am, local contractors notified enterprise of a leak on line 914j-100 in morgan's point facility. Enterprise personnel arrived on site at 10:30 am and confirmed the leak. The control room was notified and the leak site was isolated. At 10:35 am, the controller confirmed there was zero flow on the affected segment. At 12:37 pm, a pipe clamp was securely installed ending the release. At 4:15 pm, enterprise determined the leak volume reporting criteria was met and notified the trrc at 5:07 pm, incident report number 2663. The nrc was also notified, however it was later determined that reporting criteria was not met. The failed segment was cut out and replaced. The cutout was examined and the cause of the failure was determined to be external corrosion. 48-hour update to nrc performed on 7/16/2022 at 12:31 pm - 1341681
Report Received Date 2022-08-12 00:00:00
Iyear 2022
Report Number 20220182
Supplemental Number 36976
Report Type Original 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 2022-07-14 10:27:00
Time Zone Central
Daylight Savings Ind Yes
Location Latitude 29.681282 Google Maps OpenStreetMap
Location Longitude -95.015731 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 Isobutane
Unintentional Release Bbls 298
Intentional Release Bbls 16
Recovered Bbls 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Local Operating Personnel, Including Contractors
Operator Type Contractor Working For The Operator
Incident Identified Datetime 2022-07-14 10:27:00
System Part Involved Onshore Pipeline, Including Valve Sites
On Off Shore Onshore
Status When Identified Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind Yes
Shutdown Datetime 2022-07-14 10:35:00
Restart Datetime 2022-07-16 18:42:00
Communication State Fed Ind No
On Site Datetime 2022-07-14 10:30:00
Confirmed Discovery Datetime 2022-07-14 10:30:00
Nrc Rpt Datetime 2022-07-14 16:53:00
Nrc Rpt Num 1341524 NRC Report How to search
Additional Nrc Report Numbers 1341681
Ignite Ind No
Upstream Action Taken Valve Closure
Upstream Valve Close Datetime 2022-07-14 10:32:00
Upstream Valve Type Ind Remotely Controlled
Downstream Action Taken Valve Closure
Downstream Vlv Close Datetime 2022-07-14 10:35:00
Downstream Valve Type Ind Manual
Num Pub Evacuated 0
Pipe Fac Name Morgans Point To Lubrizol South #14
Segment Name 914j-100
Onshore State Abbreviation Tx
Onshore Postal Code 77571
Onshore City Name La Porte
Onshore County Name Harris
Designated Location Survey Station No.
Designated Name 0+20
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 Pipe
Pipe Type Pipe Body
Puddle Weld Ind No
Pipe Diameter 4
Pipe Wall Thickness 0.237
Pipe Smys 35000
Pipe Specification Unknown
Pipe Seam Type Seamless
Pipe Manufacturer Unknown
Pipe Coating Type Coal Tar
Coating Applied Ind No
Installation Year 1956
Manufactured Year Unknown
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
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 Yes
Est Cost Oper Paid 0
Est Cost Gas Released 450
Est Cost Prop Damage 36000
Est Cost Emergency 4500
Est Cost Environmental 0
Est Cost Other 0
Prpty 40950
Num Persons Hosp Not Ovnght 0
Num Injured Treated By Emt 0
Num Resident Building Affctd 0
Num Business Building Affctd 0
Accident Psig 60
Mop Psig 275
Mop Cfr Section Component Design Pressure �195.406(A)(2) View CFR 49 §192
Maop Established Date 1956-01-01 00:00:00
Maop Reversal Flow Ind No
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
Length Segment Isolated 400
Internal Inspection Ind No
Other Inspection Ind Yes
Internal Inspection Details Piping Is Inside The Station.
Operation Complications Ind Yes
Other Complications Ind Yes
Inspect Comp Details Piping Is Inside The Station.
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 The leak occurred during normal maintenance activities and was identified immediately by contractor on site performing the work.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Corrosion Failure
Cause Details External Corrosion
Internal External External Corrosion
Visual Exam Results Localized Pitting
Atmosphere Corrosion Ind Yes
Field Exam Basis Ind Yes
Underground Location No
Externally Coated Yes
Prior Damage Yes
Collected Data Ind No
Has Hydrtst Conduc Before Ind No
Direct Asmnt Conducted No
Non Destructive Exam Ind No
Preparer Name M****** G*****
Preparer Title Pipeline Compliance Engineer
Preparer Email M******@e****.com
Preparer Telephone 713-381-4637
Prepared Date 2022-08-12 00:00:00
Authorizer Name N*** T*****
Authorizer Telephone 713-381-2493
Authorizer Title Compliance Senior Manager
Authorizer Email N*******@e****.com
Narrative On 7/14/2022, at 10:27 am, local contractors notified enterprise of a leak on line 914j-100 in morgan's point facility. Enterprise personnel arrived on site at 10:30 am and confirmed the leak. The control room was notified and the leak site was isolated. At 10:35 am, the controller confirmed there was zero flow on the affected segment. At 12:37 pm, a pipe clamp was securely installed ending the release. At 4:15 pm, enterprise determined the leak volume reporting criteria was met and notified the trrc at 5:07 pm, incident report number 2663. The nrc was also notified, however it was later determined that reporting criteria was not met. The failed segment was cut out and replaced. The cutout was examined and the cause of the failure was determined to be external corrosion. 48-hour update to nrc performed on 7/16/2022 at 12:31 pm - 1341681

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