Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2019-11-22 — TX
Operator
Dixie Pipeline Company 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)
$115,000
Incident datetime
2019-11-22 11:50
Report number
Location
TX
Narrative
On 11:50 on november 22, 2019, enterprise employee identified a small propane leak on the packing of the valve at maringouin valve station that resulted in 4 gallons being released. A third-party company tried to mitigate the leak with repacking the valve, but was unsuccessful. At 22:15, it was determined that the valve replacement was the best repair option and would exceed $50,000 making it a reportable nrc leak. The pipeline was purged in nitrogen in order to replace the valve before returning to service. Initial nrc call was placed on november 22, 2019 at 22:30. 48 hour nrc update #1264771 was placed on november 24, 2019 at 11:07. Investigation of the valve determined the injector valve packing piping cracked while adding more packing to the valve steam. This part could not be replaced safely due to the valve body not bleeding to zero pressure. The pipeline was shutdown for a total of 44hrs.
Detailed record list
Report Received Date
2019-12-09 00:00:00
Iyear
2019
Report Number
20190369
Supplemental Number
33203
Report Type
Supplemental Final
Operator Id
3445
Name
Dixie Pipeline Company Llc
Operator Street Address
1100 Louisiana St.
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2019-11-22 11:50:00
Location Latitude
30.4963
Location Longitude
-91.561273
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Other Hvl
Commodity Details
Propane
Unintentional Release Bbls
0.1
Intentional Release Bbls
10
Recovered Bbls
0.1
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2019-11-22 11:50:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2019-11-24 21:00:00
Restart Datetime
2019-11-26 17:00:00
On Site Datetime
2019-11-22 11:50:00
Nrc Rpt Datetime
2019-11-22 22:30:00
Nrc Rpt Num
1264674
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Dixie Pipeline - Lid 120
Segment Name
Maringouin Valve Station
Onshore State Abbreviation
La
Onshore Postal Code
70757
Onshore City Name
Maringouin
Onshore County Name
Pointe Coupee
Designated Location
Milepost/valve Station
Designated Name
Mp 214
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Other
Incident Area Details
Valve Site
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Other
Item Involved Details
Packing On The Valve
Installation Year
1978
Material Involved
Material Other Than Carbon Steel
Material Details
Valve Packing
Release Type
Leak
Leak Type
Seal Or Packing
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
420
Est Cost Prop Damage
115000
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
115420
Accident Psig
230
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
52113
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
Controller's actions did not contribute to the release.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Non-Threaded Connection Failure
Eq Failure Type
Non-Threaded Connection Failure
Other Non Threaded Ind
Seal (Not Pump Seal) Or Packing
Eq Additional Other Ind
Yes
Eq Additional Other Details
Normal Wear And Tear
Preparer Name
N***** L* G*** J**
Preparer Title
Pipeline Compliance Specialist
Preparer Email
N****@e****.com
Preparer Telephone
985 493 4629
Prepared Date
2020-01-17 00:00:00
Authorizer Name
S**** D****
Authorizer Telephone
713 381 5585
Authorizer Title
Compliance Manager
Authorizer Email
S******@e****.com
Narrative
On 11:50 on november 22, 2019, enterprise employee identified a small propane leak on the packing of the valve at maringouin valve station that resulted in 4 gallons being released. A third-party company tried to mitigate the leak with repacking the valve, but was unsuccessful. At 22:15, it was determined that the valve replacement was the best repair option and would exceed $50,000 making it a reportable nrc leak. The pipeline was purged in nitrogen in order to replace the valve before returning to service. Initial nrc call was placed on november 22, 2019 at 22:30. 48 hour nrc update #1264771 was placed on november 24, 2019 at 11:07. Investigation of the valve determined the injector valve packing piping cracked while adding more packing to the valve steam. This part could not be replaced safely due to the valve body not bleeding to zero pressure. The pipeline was shutdown for a total of 44hrs.
| Report Received Date | 2019-12-09 00:00:00 |
|---|---|
| Iyear | 2019 |
| Report Number | 20190369 |
| Supplemental Number | 33203 |
| Report Type | Supplemental Final |
| Operator Id | 3445 PHMSA Enforcement |
| Name | Dixie Pipeline Company Llc |
| Operator Street Address | 1100 Louisiana St. |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2019-11-22 11:50:00 |
| Location Latitude | 30.4963 Google Maps OpenStreetMap |
| Location Longitude | -91.561273 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 | Propane |
| Unintentional Release Bbls | 0.1 |
| Intentional Release Bbls | 10 |
| Recovered Bbls | 0.1 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2019-11-22 11:50:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2019-11-24 21:00:00 |
| Restart Datetime | 2019-11-26 17:00:00 |
| On Site Datetime | 2019-11-22 11:50:00 |
| Nrc Rpt Datetime | 2019-11-22 22:30:00 |
| Nrc Rpt Num | 1264674 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 | Dixie Pipeline - Lid 120 |
| Segment Name | Maringouin Valve Station |
| Onshore State Abbreviation | La |
| Onshore Postal Code | 70757 |
| Onshore City Name | Maringouin |
| Onshore County Name | Pointe Coupee |
| Designated Location | Milepost/valve Station |
| Designated Name | Mp 214 |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Other |
| Incident Area Details | Valve Site |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Other |
| Item Involved Details | Packing On The Valve |
| Installation Year | 1978 |
| Material Involved | Material Other Than Carbon Steel |
| Material Details | Valve Packing |
| Release Type | Leak |
| Leak Type | Seal Or Packing |
| 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 | 420 |
| Est Cost Prop Damage | 115000 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 115420 |
| Accident Psig | 230 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 52113 |
| 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 | Controller's actions did not contribute to the release. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Non-Threaded Connection Failure |
| Eq Failure Type | Non-Threaded Connection Failure |
| Other Non Threaded Ind | Seal (Not Pump Seal) Or Packing |
| Eq Additional Other Ind | Yes |
| Eq Additional Other Details | Normal Wear And Tear |
| Preparer Name | N***** L* G*** J** |
| Preparer Title | Pipeline Compliance Specialist |
| Preparer Email | N****@e****.com |
| Preparer Telephone | 985 493 4629 |
| Prepared Date | 2020-01-17 00:00:00 |
| Authorizer Name | S**** D**** |
| Authorizer Telephone | 713 381 5585 |
| Authorizer Title | Compliance Manager |
| Authorizer Email | S******@e****.com |
| Narrative | On 11:50 on november 22, 2019, enterprise employee identified a small propane leak on the packing of the valve at maringouin valve station that resulted in 4 gallons being released. A third-party company tried to mitigate the leak with repacking the valve, but was unsuccessful. At 22:15, it was determined that the valve replacement was the best repair option and would exceed $50,000 making it a reportable nrc leak. The pipeline was purged in nitrogen in order to replace the valve before returning to service. Initial nrc call was placed on november 22, 2019 at 22:30. 48 hour nrc update #1264771 was placed on november 24, 2019 at 11:07. Investigation of the valve determined the injector valve packing piping cracked while adding more packing to the valve steam. This part could not be replaced safely due to the valve body not bleeding to zero pressure. The pipeline was shutdown for a total of 44hrs. |
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