Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2017-04-05 — TX
Operator
Enterprise Products Operating Llc
Cause
Material Failure Of Pipe Or Weld
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)
$30,000
Incident datetime
2017-04-05 17:26
Report number
Location
TX
Narrative
At 17:26 on 4/5/2017 an aerial patrol noticed dead vegetation over enterprise's quanah pipeline. The same day at 19:00 an employee was dispatched to the site and did not see or smell any vapors. On 4/8 an employee was dispatched again and detected lel readings, indicating a leak on enterprise's pipeline. Approximately 1 bbl was estimated to have been released. The line was shut down and blocked in at 22:00 on 4/8. The site was excavated and a pinhole leak in the pipe seam was discovered. A sleeve was installed over the leak and the pipeline resumed operation at 17:00 on 4/11. At 21:49 on 4/8 it was expected that the total cost would exceed $50,000, necessitating the nrc call made at 22:17. 3/8/18: updated accident time and closed report. 7/3/2018: updated report and submitted final.
Detailed record list
Report Received Date
2017-05-03 00:00:00
Iyear
2017
Report Number
20170143
Supplemental Number
30584
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
2017-04-05 17:26:00
Location Latitude
31.521032
Location Longitude
-101.545231
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
1
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Air Patrol
Operator Type
Contractor Working For The Operator
Incident Identified Datetime
2017-04-05 17:26:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2017-04-08 22:00:00
Restart Datetime
2017-04-11 17:03:00
On Site Datetime
2017-04-05 19:00:00
Nrc Rpt Datetime
2017-04-08 22:17:00
Nrc Rpt Num
1175193
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Sonora To Roberts Ranch
Segment Name
C82
Onshore State Abbreviation
Tx
Onshore Postal Code
76932
Onshore City Name
Stiles
Onshore County Name
Reagan
Designated Location
Milepost/valve Station
Designated Name
Mp 91.5
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
36
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Pipe
Pipe Type
Pipe Seam
Pipe Diameter
8
Pipe Wall Thickness
0.188
Pipe Smys
52000
Pipe Specification
Api 5-L-X-52
Pipe Seam Type
Erw - Low Frequency
Pipe Manufacturer
Us Steel
Pipe Coating Type
Other
Pipe Coating Details
Polyken Tape
Installation Year
1977
Manufactured Year
1977
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
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
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
100
Est Cost Prop Damage
30000
Est Cost Emergency
1000
Est Cost Environmental
8000
Est Cost Other
0
Prpty
39100
Accident Psig
938
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
53008
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 controller was not a contributing factor to the accident
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Material Failure Of Pipe Or Weld
Cause Details
Design-, Construction-, Installation-, Or Fabrication-Related
Field Exam Ind
Yes
Failure Type
Design-, Construction-, Installation-, Or Fabrication-Related
Other Factor
Yes
Other Factor Details
Field Examination Revealed Pinhole Leak On Pipe Seam.
Pwf Additional Other Ind
Yes
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Geometry Deformation Ind
Yes
Axial Recent Year
2012
Geometry Recent Year
2012
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
R****** R*****
Preparer Title
Sr. Pipeline Compliance Engineer
Preparer Email
R*******@e****.com
Preparer Telephone
713-381-6841
Prepared Date
2018-07-03 00:00:00
Authorizer Name
R****** R*****
Authorizer Telephone
713-381-6841
Authorizer Title
Sr. Pipeline Compliance Engineer
Authorizer Email
R*******@e****.com
Narrative
At 17:26 on 4/5/2017 an aerial patrol noticed dead vegetation over enterprise's quanah pipeline. The same day at 19:00 an employee was dispatched to the site and did not see or smell any vapors. On 4/8 an employee was dispatched again and detected lel readings, indicating a leak on enterprise's pipeline. Approximately 1 bbl was estimated to have been released. The line was shut down and blocked in at 22:00 on 4/8. The site was excavated and a pinhole leak in the pipe seam was discovered. A sleeve was installed over the leak and the pipeline resumed operation at 17:00 on 4/11. At 21:49 on 4/8 it was expected that the total cost would exceed $50,000, necessitating the nrc call made at 22:17. 3/8/18: updated accident time and closed report. 7/3/2018: updated report and submitted final.
| Report Received Date | 2017-05-03 00:00:00 |
|---|---|
| Iyear | 2017 |
| Report Number | 20170143 |
| Supplemental Number | 30584 |
| 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 | 2017-04-05 17:26:00 |
| Location Latitude | 31.521032 Google Maps OpenStreetMap |
| Location Longitude | -101.545231 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 | 1 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Air Patrol |
| Operator Type | Contractor Working For The Operator |
| Incident Identified Datetime | 2017-04-05 17:26:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2017-04-08 22:00:00 |
| Restart Datetime | 2017-04-11 17:03:00 |
| On Site Datetime | 2017-04-05 19:00:00 |
| Nrc Rpt Datetime | 2017-04-08 22:17:00 |
| Nrc Rpt Num | 1175193 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 | Sonora To Roberts Ranch |
| Segment Name | C82 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 76932 |
| Onshore City Name | Stiles |
| Onshore County Name | Reagan |
| Designated Location | Milepost/valve Station |
| Designated Name | Mp 91.5 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 36 |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| Item Involved | Pipe |
| Pipe Type | Pipe Seam |
| Pipe Diameter | 8 |
| Pipe Wall Thickness | 0.188 |
| Pipe Smys | 52000 |
| Pipe Specification | Api 5-L-X-52 |
| Pipe Seam Type | Erw - Low Frequency |
| Pipe Manufacturer | Us Steel |
| Pipe Coating Type | Other |
| Pipe Coating Details | Polyken Tape |
| Installation Year | 1977 |
| Manufactured Year | 1977 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Pinhole |
| 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 | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 100 |
| Est Cost Prop Damage | 30000 |
| Est Cost Emergency | 1000 |
| Est Cost Environmental | 8000 |
| Est Cost Other | 0 |
| Prpty | 39100 |
| Accident Psig | 938 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 53008 |
| 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 controller was not a contributing factor to the accident |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Material Failure Of Pipe Or Weld |
| Cause Details | Design-, Construction-, Installation-, Or Fabrication-Related |
| Field Exam Ind | Yes |
| Failure Type | Design-, Construction-, Installation-, Or Fabrication-Related |
| Other Factor | Yes |
| Other Factor Details | Field Examination Revealed Pinhole Leak On Pipe Seam. |
| Pwf Additional Other Ind | Yes |
| Collected Data Ind | Yes |
| Axial Magnetic Flx Lkg Ind | Yes |
| Geometry Deformation Ind | Yes |
| Axial Recent Year | 2012 |
| Geometry Recent Year | 2012 |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | R****** R***** |
| Preparer Title | Sr. Pipeline Compliance Engineer |
| Preparer Email | R*******@e****.com |
| Preparer Telephone | 713-381-6841 |
| Prepared Date | 2018-07-03 00:00:00 |
| Authorizer Name | R****** R***** |
| Authorizer Telephone | 713-381-6841 |
| Authorizer Title | Sr. Pipeline Compliance Engineer |
| Authorizer Email | R*******@e****.com |
| Narrative | At 17:26 on 4/5/2017 an aerial patrol noticed dead vegetation over enterprise's quanah pipeline. The same day at 19:00 an employee was dispatched to the site and did not see or smell any vapors. On 4/8 an employee was dispatched again and detected lel readings, indicating a leak on enterprise's pipeline. Approximately 1 bbl was estimated to have been released. The line was shut down and blocked in at 22:00 on 4/8. The site was excavated and a pinhole leak in the pipe seam was discovered. A sleeve was installed over the leak and the pipeline resumed operation at 17:00 on 4/11. At 21:49 on 4/8 it was expected that the total cost would exceed $50,000, necessitating the nrc call made at 22:17. 3/8/18: updated accident time and closed report. 7/3/2018: updated report and submitted final. |
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