Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2018-05-29 — 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)
$168,000
Incident datetime
2018-05-29 15:00
Report number
Location
TX
Narrative
Call trc 5/29/2018 @ 21:20hrs - trc case #1774 call nrc 5/31/18 @ 09:54hrs - 48 hr notification - nrc-1213760 po merritt 5/29/2018 @ 15:00 hrs. An enterprise employee performing a pipeline one call locate discovered faint hydrocarbon vapors coming from a pipeline casing vent. A sample was taken and sent to lab and, at 19:50 hrs., lab results confirmed that the leak was coming from enterprise's 914b-100 -propane/propylene pipeline. 5/30/2018 line was displaced with nitrogen. 6/9/2018 section of pipe with anomaly was removed and replaced with new pipe. 6/12/2018 commission pipeline and put back into service at 20:24hrs. 7/17/2018 corrected time of accident (original time reported 19:50hrs) and nominal pipe change (original size reported 6.625) per brian pierzina - filing supplemental and final
Detailed record list
Report Received Date
2018-06-27 00:00:00
Iyear
2018
Report Number
20180180
Supplemental Number
30653
Report Type
Supplemental Final
Operator Id
31618
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
2018-05-29 15:00:00
Location Latitude
29.66514
Location Longitude
-95.03973
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
0.1
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
2018-05-29 15:00:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2018-05-29 20:45:00
Restart Datetime
2018-06-12 20:24:00
On Site Datetime
2018-05-29 15:00:00
Nrc Rpt Datetime
2018-05-29 21:10:00
Nrc Rpt Num
1213614
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Remotely Controlled
Downstream Valve Type Ind
Remotely Controlled
Num Pub Evacuated
0
Pipe Fac Name
Morgans Point To Texas Petro Olefins
Segment Name
914b-100
Onshore State Abbreviation
Tx
Onshore Postal Code
77571
Onshore City Name
La Porte
Onshore County Name
Harris
Designated Location
Milepost/valve Station
Designated Name
2.45 Mp
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
87
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
6
Pipe Wall Thickness
0.25
Pipe Smys
46000
Pipe Specification
Api 5lx 42
Pipe Seam Type
Seamless
Pipe Manufacturer
Unknown
Pipe Coating Type
Coal Tar
Installation Year
1957
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
Other Pop Ind
Yes
Other Pop Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
0
Est Cost Prop Damage
168000
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
168000
Accident Psig
540
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
39758
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
Operations of pipeline was normal when leak was discovered at the casing vent.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
External Corrosion
Internal External
External Corrosion
Visual Exam Results
General Corrosion
Galvanic Corrosion Ind
Yes
Field Exam Basis Ind
Yes
Underground Location
Yes
Under Cathodic Protection Ind
Yes
Cathodic Pro Start Year
Unknown
Shielding Evident
Yes
Cathodic Survey Type
Yes
Cp Annual Survey Ind
Yes
Cp Annual Survey Year
2017
Prior Damage
Yes
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Axial Recent Year
2015
Has Hydrtst Conduc Before Ind
Yes
Hydrtst Most Rcnt Year
2005
Hydrtst Most Rcnt Pressure
2091
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
N*** B******
Preparer Title
Sr. Pipeline Compliance Specialist
Preparer Email
W********@e****.com
Preparer Telephone
713-381-3536
Prepared Date
2018-07-17 00:00:00
Authorizer Name
N*** T*****
Authorizer Telephone
713-381-2493
Authorizer Title
Manager Compliance
Authorizer Email
N*******@e****.com
Narrative
C******************@ 21:20hrs - trc case #1774 call nrc 5/31/18 @ 09:54hrs - 48 hr notification - nrc-1213760 po merritt 5/29/2018 @ 15:00 hrs. An enterprise employee performing a pipeline one call locate discovered faint hydrocarbon vapors coming from a pipeline casing vent. A sample was taken and sent to lab and, at 19:50 hrs., lab results confirmed that the leak was coming from enterprise's 914b-100 -propane/propylene pipeline. 5/30/2018 line was displaced with nitrogen. 6/9/2018 section of pipe with anomaly was removed and replaced with new pipe. 6/12/2018 commission pipeline and put back into service at 20:24hrs. *************************************************************************************************************************.625) per brian pierzina - filing supplemental and final
| Report Received Date | 2018-06-27 00:00:00 |
|---|---|
| Iyear | 2018 |
| Report Number | 20180180 |
| Supplemental Number | 30653 |
| 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 | 2018-05-29 15:00:00 |
| Location Latitude | 29.66514 Google Maps OpenStreetMap |
| Location Longitude | -95.03973 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 | 0.1 |
| 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 | 2018-05-29 15:00:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2018-05-29 20:45:00 |
| Restart Datetime | 2018-06-12 20:24:00 |
| On Site Datetime | 2018-05-29 15:00:00 |
| Nrc Rpt Datetime | 2018-05-29 21:10:00 |
| Nrc Rpt Num | 1213614 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Remotely Controlled |
| Downstream Valve Type Ind | Remotely Controlled |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Morgans Point To Texas Petro Olefins |
| Segment Name | 914b-100 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77571 |
| Onshore City Name | La Porte |
| Onshore County Name | Harris |
| Designated Location | Milepost/valve Station |
| Designated Name | 2.45 Mp |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 87 |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 6 |
| Pipe Wall Thickness | 0.25 |
| Pipe Smys | 46000 |
| Pipe Specification | Api 5lx 42 |
| Pipe Seam Type | Seamless |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Coal Tar |
| Installation Year | 1957 |
| 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 |
| Other Pop Ind | Yes |
| Other Pop Yes No | Yes |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 0 |
| Est Cost Prop Damage | 168000 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 168000 |
| Accident Psig | 540 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 39758 |
| 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 | Operations of pipeline was normal when leak was discovered at the casing vent. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Corrosion Failure |
| Cause Details | External Corrosion |
| Internal External | External Corrosion |
| Visual Exam Results | General Corrosion |
| Galvanic Corrosion Ind | Yes |
| Field Exam Basis Ind | Yes |
| Underground Location | Yes |
| Under Cathodic Protection Ind | Yes |
| Cathodic Pro Start Year | Unknown |
| Shielding Evident | Yes |
| Cathodic Survey Type | Yes |
| Cp Annual Survey Ind | Yes |
| Cp Annual Survey Year | 2017 |
| Prior Damage | Yes |
| Collected Data Ind | Yes |
| Axial Magnetic Flx Lkg Ind | Yes |
| Axial Recent Year | 2015 |
| Has Hydrtst Conduc Before Ind | Yes |
| Hydrtst Most Rcnt Year | 2005 |
| Hydrtst Most Rcnt Pressure | 2091 |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | N*** B****** |
| Preparer Title | Sr. Pipeline Compliance Specialist |
| Preparer Email | W********@e****.com |
| Preparer Telephone | 713-381-3536 |
| Prepared Date | 2018-07-17 00:00:00 |
| Authorizer Name | N*** T***** |
| Authorizer Telephone | 713-381-2493 |
| Authorizer Title | Manager Compliance |
| Authorizer Email | N*******@e****.com |
| Narrative | C******************@ 21:20hrs - trc case #1774 call nrc 5/31/18 @ 09:54hrs - 48 hr notification - nrc-1213760 po merritt 5/29/2018 @ 15:00 hrs. An enterprise employee performing a pipeline one call locate discovered faint hydrocarbon vapors coming from a pipeline casing vent. A sample was taken and sent to lab and, at 19:50 hrs., lab results confirmed that the leak was coming from enterprise's 914b-100 -propane/propylene pipeline. 5/30/2018 line was displaced with nitrogen. 6/9/2018 section of pipe with anomaly was removed and replaced with new pipe. 6/12/2018 commission pipeline and put back into service at 20:24hrs. *************************************************************************************************************************.625) per brian pierzina - filing supplemental and final |
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