HL incident on 2018-10-16 — TX

Operator
Enterprise Products Operating Llc
Cause
Notification Issue
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)
$25,000
Incident datetime
2018-10-16 13:15
Report number
Location
TX
Narrative
On 10/16/2018 @ 13:15 an enterprise pipeline technician noticed a small vapor emitting from the ground in a plowed agricultural field directly over lid v2. The pipeline had been previously shut down and blocked in prior to discovering the leak. The line was purged with nitrogen and visual examination indicates the line was struck by a mechanical device; however, it is unknown what the device was or what activity was being performed. Enterprise determined on 10/16/2018 at 18:30, based on best available information, that the volume released will exceed 5 gallons. The trrc was notified at 19:10 - incident #1862. The pipeline remained inerted until 7/1/2019, when the damaged section of pipe was cut out and replaced.
Detailed record list
Report Received Date
2018-11-13 00:00:00
Iyear
2018
Report Number
20180346
Supplemental Number
32451
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
2018-10-16 13:15:00
Location Latitude
Location Longitude
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid)
Unintentional Release Bbls
10
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2018-10-16 13:15:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
Pipeline Was Not Running And Blocked-In Prior To The Accident.
On Site Datetime
2018-10-16 13:15:00
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Shoup Jct To Grove Jct
Segment Name
V2
Onshore State Abbreviation
Tx
Onshore Postal Code
78406
Onshore City Name
Corpus Christi
Onshore County Name
Nueces
Designated Location
Survey Station No.
Designated Name
2254+72
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
16
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
6
Pipe Wall Thickness
0.28
Pipe Smys
35000
Pipe Specification
Astm A-106
Pipe Seam Type
Erw � Unknown Frequency
Pipe Manufacturer
Republic Steel
Pipe Coating Type
Coal Tar
Installation Year
1941
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Mechanical Puncture
Puncture Axial
1.5
Puncture Circum
0.2
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
No
Est Cost Oper Paid
0
Est Cost Gas Released
1000
Est Cost Prop Damage
25000
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
26000
Accident Psig
240
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
54859
Internal Inspection Ind
Yes
Operation Complications 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
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
The segment of pipe had previously been isolated on both ends of the of where the leak occurred.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Excavation Damage
Cause Details
Excavation Damage By Third Party
Ex Party Type
Excavation Damage By Third Party
Prior Notification Ind
No
Notify Cga Dirt
No
Pipeline Easement Row Ind
Yes
Excavator Type
Unknown/other
Excavator Equipment
Unknown/other
Work Performed
Unknown/other
One Call Notified Ind
No
Root Cause Category
Notification Issue
Root Cause Type
No Notification Made To The One-Call Center/811
Preparer Name
N*** B******
Preparer Title
Sr. Pipeline Compliance Specialist
Preparer Email
W********@e****.com
Preparer Telephone
713-381-3536
Prepared Date
2019-07-22 00:00:00
Authorizer Name
N*** T*****
Authorizer Telephone
713-381-2493
Authorizer Title
Manager Compliance
Authorizer Email
N********@e****.com
Narrative
O*************@ 13:15 an enterprise pipeline technician noticed a small vapor emitting from the ground in a plowed agricultural field directly over lid v2. The pipeline had been previously shut down and blocked in prior to discovering the leak. The line was purged with nitrogen and visual examination indicates the line was struck by a mechanical device; however, it is unknown what the device was or what activity was being performed. Enterprise determined on 10/16/2018 at 18:30, based on best available information, that the volume released will exceed 5 gallons. The trrc was notified at 19:10 - incident #1862. **********************************************************************************************************.
Report Received Date 2018-11-13 00:00:00
Iyear 2018
Report Number 20180346
Supplemental Number 32451
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 2018-10-16 13:15:00
Location Latitude 27.75974 Google Maps OpenStreetMap
Location Longitude -97.52929 Google Maps OpenStreetMap
Commodity Released Type Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid)
Unintentional Release Bbls 10
Intentional Release Bbls 0
Recovered Bbls 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Local Operating Personnel, Including Contractors
Operator Type Operator Employee
Incident Identified Datetime 2018-10-16 13:15:00
System Part Involved Onshore Pipeline, Including Valve Sites
On Off Shore Onshore
Shutdown Due Accident Ind No
Shutdown Explain Pipeline Was Not Running And Blocked-In Prior To The Accident.
On Site Datetime 2018-10-16 13:15:00
Nrc Rpt Num Nrc Notification Not Required NRC Report How to search
Ignite Ind No
Explode Ind No
Upstream Valve Type Ind Manual
Downstream Valve Type Ind Manual
Num Pub Evacuated 0
Pipe Fac Name Shoup Jct To Grove Jct
Segment Name V2
Onshore State Abbreviation Tx
Onshore Postal Code 78406
Onshore City Name Corpus Christi
Onshore County Name Nueces
Designated Location Survey Station No.
Designated Name 2254+72
Federal No
Location Type Pipeline Right-Of-Way
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 16
Crossing No
Pipe Facility Type Intrastate
Item Involved Pipe
Pipe Type Pipe Body
Pipe Diameter 6
Pipe Wall Thickness 0.28
Pipe Smys 35000
Pipe Specification Astm A-106
Pipe Seam Type Erw � Unknown Frequency
Pipe Manufacturer Republic Steel
Pipe Coating Type Coal Tar
Installation Year 1941
Manufactured Year Unknown
Material Involved Carbon Steel
Release Type Mechanical Puncture
Puncture Axial 1.5
Puncture Circum 0.2
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 No
Est Cost Oper Paid 0
Est Cost Gas Released 1000
Est Cost Prop Damage 25000
Est Cost Emergency 0
Est Cost Environmental 0
Est Cost Other 0
Prpty 26000
Accident Psig 240
Mop Psig 1440
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
Length Segment Isolated 54859
Internal Inspection Ind Yes
Operation Complications 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 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 The segment of pipe had previously been isolated on both ends of the of where the leak occurred.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Excavation Damage
Cause Details Excavation Damage By Third Party
Ex Party Type Excavation Damage By Third Party
Prior Notification Ind No
Notify Cga Dirt No
Pipeline Easement Row Ind Yes
Excavator Type Unknown/other
Excavator Equipment Unknown/other
Work Performed Unknown/other
One Call Notified Ind No
Root Cause Category Notification Issue
Root Cause Type No Notification Made To The One-Call Center/811
Preparer Name N*** B******
Preparer Title Sr. Pipeline Compliance Specialist
Preparer Email W********@e****.com
Preparer Telephone 713-381-3536
Prepared Date 2019-07-22 00:00:00
Authorizer Name N*** T*****
Authorizer Telephone 713-381-2493
Authorizer Title Manager Compliance
Authorizer Email N********@e****.com
Narrative O*************@ 13:15 an enterprise pipeline technician noticed a small vapor emitting from the ground in a plowed agricultural field directly over lid v2. The pipeline had been previously shut down and blocked in prior to discovering the leak. The line was purged with nitrogen and visual examination indicates the line was struck by a mechanical device; however, it is unknown what the device was or what activity was being performed. Enterprise determined on 10/16/2018 at 18:30, based on best available information, that the volume released will exceed 5 gallons. The trrc was notified at 19:10 - incident #1862. **********************************************************************************************************.

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