Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2019-11-06 — TX
Operator
Energy Transfer Company
Cause
Incorrect Operation
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)
$0
Incident datetime
2019-11-06 15:13
Report number
Location
TX
Narrative
On november 6, 2019 at approximately 13:15 hrs., energy transfer experienced a flash fire on a regulated class 1 transmission line, the s111 ngl tx kinder morgan to snyder 4 inch. This pipeline is located in scurry county, approximately 2.38 miles northwest of snyder, tx. Two contractors were attempting to reinstall a 4 inch gate valve that had been removed prior to a hydrostatic test on the pipeline. The valve flange and the pipe flange arced, despite being grounded, and ignited some residual ngl vapors causing a flash fire. One of the contractors showed signs of blistering and was taken to the hospital emergency room, treated and released back to work the same day. The 4 inch valve was installed and at approximately 19:00 hrs., november 6, 2019 the pipeline was back in service. This pipeline is under the jurisdiction of the texas railroad commission. On november 12, 2019, this incident was telephonically reported to the national response center (nrc#1263760) at 14:08 and to the txrrc (incident #2090) at 14:18. A 48 hour nrc update was made on november 13, 2019 at 12:33. (nrc#1263836)
Detailed record list
Report Received Date
2019-11-26 00:00:00
Iyear
2019
Report Number
20190357
Supplemental Number
36219
Report Type
Supplemental Final
Operator Id
32099
Name
Energy Transfer Company
Operator Street Address
1300 Main Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2019-11-06 13:15:00
Location Latitude
32.75241
Location Longitude
-100.97514
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
Contractor Working For The Operator
Incident Identified Datetime
2019-11-06 15:13:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
The Pipeline Was Already Shut Down Due To Hydrostatic Testing.
On Site Datetime
2019-11-06 15:13:00
Nrc Rpt Datetime
2019-11-12 15:13:00
Nrc Rpt Num
1263760
Ignite Ind
Yes
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Tx Ngl Kinder Morgan To Snyder
Segment Name
S111
Onshore State Abbreviation
Tx
Onshore Postal Code
79549
Onshore City Name
Snyder
Onshore County Name
Scurry
Designated Location
Milepost/valve Station
Designated Name
34.6 Milepost
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
25
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Flange Assembly
Installation Year
1956
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Flash Fire Due To Ngl Vapors Being Ignited By An Arc Between Flanges
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
2
Est Cost Prop Damage
0
Est Cost Emergency
150
Est Cost Environmental
0
Est Cost Other
0
Prpty
152
Accident Psig
0
Mop Psig
1004
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
10
Internal Inspection Ind
Yes
Operation Complications Ind
No
Pipeline Function
> 20% Smys Regulated Transmission
Scada In Place Ind
No
Cpm In Place Ind
No
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the accident
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Incorrect Operation
Cause Details
Other Incorrect Operation
Operation Type
Other Incorrect Operation
Operation Details
Bonding Jumper Cable Did Not Have Adequate Contact With Bare Metal On The Pipes
Related Other Ind
Yes
Operation Related Details
Bonding Jumper Cable Did Not Have Adequate Contact With Bare Metal On The Pipes.
Category Type
Routine Maintenance
Operator Qualification Ind
Yes
Qualified Individuals
Yes, They Were Qualified For The Task(S)
Preparer Name
C**** P******
Preparer Title
Dot Compliance Specialist
Preparer Email
C************@e*************.com
Preparer Telephone
713-989-4464
Prepared Date
2022-01-10 00:00:00
Authorizer Name
C**** K*****
Authorizer Telephone
9795319036
Authorizer Title
Manager - Regulatory Compliance
Authorizer Email
C***********@e*************.com
Narrative
On november 6, 2019 at approximately 13:15 hrs., energy transfer experienced a flash fire on a regulated class 1 transmission line, the s111 ngl tx kinder morgan to snyder 4 inch. This pipeline is located in scurry county, approximately 2.38 miles northwest of snyder, tx. Two contractors were attempting to reinstall a 4 inch gate valve that had been removed prior to a hydrostatic test on the pipeline. The valve flange and the pipe flange arced, despite being grounded, and ignited some residual ngl vapors causing a flash fire. One of the contractors showed signs of blistering and was taken to the hospital emergency room, treated and released back to work the same day. The 4 inch valve was installed and at approximately 19:00 hrs., november 6, 2019 the pipeline was back in service. This pipeline is under the jurisdiction of the texas railroad commission. On november 12, 2019, this incident was telephonically reported to the national response center (nrc#1263760) at 14:08 and to the txrrc (incident #2090) at 14:18. A 48 hour nrc update was made on november 13, 2019 at 12:33. (nrc#1263836)
| Report Received Date | 2019-11-26 00:00:00 |
|---|---|
| Iyear | 2019 |
| Report Number | 20190357 |
| Supplemental Number | 36219 |
| Report Type | Supplemental Final |
| Operator Id | 32099 PHMSA Enforcement |
| Name | Energy Transfer Company |
| Operator Street Address | 1300 Main Street |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2019-11-06 13:15:00 |
| Location Latitude | 32.75241 Google Maps OpenStreetMap |
| Location Longitude | -100.97514 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 | Contractor Working For The Operator |
| Incident Identified Datetime | 2019-11-06 15:13:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | The Pipeline Was Already Shut Down Due To Hydrostatic Testing. |
| On Site Datetime | 2019-11-06 15:13:00 |
| Nrc Rpt Datetime | 2019-11-12 15:13:00 |
| Nrc Rpt Num | 1263760 NRC Report How to search |
| Ignite Ind | Yes |
| Explode Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Tx Ngl Kinder Morgan To Snyder |
| Segment Name | S111 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 79549 |
| Onshore City Name | Snyder |
| Onshore County Name | Scurry |
| Designated Location | Milepost/valve Station |
| Designated Name | 34.6 Milepost |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 25 |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| Item Involved | Flange Assembly |
| Installation Year | 1956 |
| Material Involved | Carbon Steel |
| Release Type | Other |
| Release Type Details | Flash Fire Due To Ngl Vapors Being Ignited By An Arc Between Flanges |
| 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 | 2 |
| Est Cost Prop Damage | 0 |
| Est Cost Emergency | 150 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 152 |
| Accident Psig | 0 |
| Mop Psig | 1004 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 10 |
| Internal Inspection Ind | Yes |
| Operation Complications Ind | No |
| Pipeline Function | > 20% Smys Regulated Transmission |
| Scada In Place Ind | No |
| Cpm In Place Ind | No |
| Investigation Status | No, the facility was not monitored by a controller(s) at the time of the accident |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Incorrect Operation |
| Cause Details | Other Incorrect Operation |
| Operation Type | Other Incorrect Operation |
| Operation Details | Bonding Jumper Cable Did Not Have Adequate Contact With Bare Metal On The Pipes |
| Related Other Ind | Yes |
| Operation Related Details | Bonding Jumper Cable Did Not Have Adequate Contact With Bare Metal On The Pipes. |
| Category Type | Routine Maintenance |
| Operator Qualification Ind | Yes |
| Qualified Individuals | Yes, They Were Qualified For The Task(S) |
| Preparer Name | C**** P****** |
| Preparer Title | Dot Compliance Specialist |
| Preparer Email | C************@e*************.com |
| Preparer Telephone | 713-989-4464 |
| Prepared Date | 2022-01-10 00:00:00 |
| Authorizer Name | C**** K***** |
| Authorizer Telephone | 9795319036 |
| Authorizer Title | Manager - Regulatory Compliance |
| Authorizer Email | C***********@e*************.com |
| Narrative | On november 6, 2019 at approximately 13:15 hrs., energy transfer experienced a flash fire on a regulated class 1 transmission line, the s111 ngl tx kinder morgan to snyder 4 inch. This pipeline is located in scurry county, approximately 2.38 miles northwest of snyder, tx. Two contractors were attempting to reinstall a 4 inch gate valve that had been removed prior to a hydrostatic test on the pipeline. The valve flange and the pipe flange arced, despite being grounded, and ignited some residual ngl vapors causing a flash fire. One of the contractors showed signs of blistering and was taken to the hospital emergency room, treated and released back to work the same day. The 4 inch valve was installed and at approximately 19:00 hrs., november 6, 2019 the pipeline was back in service. This pipeline is under the jurisdiction of the texas railroad commission. On november 12, 2019, this incident was telephonically reported to the national response center (nrc#1263760) at 14:08 and to the txrrc (incident #2090) at 14:18. A 48 hour nrc update was made on november 13, 2019 at 12:33. (nrc#1263836) |
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