Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2014-06-01 — TX
Operator
Wtg Gas Transmission Company
Cause
Equipment Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
1 fatality
0 injuries
Property damage (nominal)
$1,400
Incident datetime
2014-06-01 21:35
Report number
Location
TX
Narrative
Wtg gas transmission company was in the process of de-pressuring compressor unit #7 to perform maintenance on the unit. An employee began opening the 2' blow-down, releasing gas to the atmosphere. During the venting process, a screwed fitting separated, with a part of the loose vent piping fatally striking the employee. The vent valve was closed securing the release.
Detailed record list
Report Received Date
2014-06-30 00:00:00
Iyear
2014
Report Number
20140071
Supplemental Number
16460
Report Type
Supplemental Final
Operator Id
31968
Name
Wtg Gas Transmission Company
Operator Street Address
303 Veterans Airpark Lane
Operator City Name
Midland
Operator State Abbreviation
TX
Operator Postal Code
79705
Local Datetime
2014-06-01 19:45:00
Location Latitude
32.220428
Location Longitude
-102.104747
Nrc Rpt Num
1084567
Nrc Rpt Datetime
2014-06-01 21:45:00
Commodity Released Type
Natural Gas
Unintentional Release
0
Intentional Release
906.6
Accompanying Liquid
0
Fatality Ind
Yes
Num Emp Fatalities
1
Num Contr Fatalities
0
Num Er Fatalities
0
Num Worker Fatalities
0
Num Gp Fatalities
0
Fatal
1
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2014-06-01 22:05:00
Restart Datetime
2014-06-03 14:00:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2014-06-01 21:35:00
On Site Datetime
2014-06-01 22:05:00
On Off Shore
Onshore
Onshore State Abbreviation
Tx
Onshore Postal Code
79701
Onshore City Name
Midland
Onshore County Name
Martin
Designated Location
Milepost
Pipe Fac Name
Snyder Mainline
Segment Name
Martin County 3 Compressor Station
Federal
No
Location Type
Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Onshore Compressor Station Equipment And Piping
Item Involved
Drain Lines
Installation Year
2013
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Compressor Blow Down Vent Piping Was Connected By Threaded Fittings. During An Intentional Blow Down Of The Compressor, A Threaded Connection Between A Straight Run Of Pipe And A 90 Degree Failed.
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
235
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
0
Est Cost Intentional Release
4570
Est Cost Prop Damage
1400
Est Cost Emergency
2000
Est Cost Other
0
Prpty
7970
Accident Psig
525
Mop Psig
800
Mop Cfr Section
Not On Omb-Approved Form When Submitted
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Pipeline Function
Transmission System
Scada In Place Ind
No
Accident Identifier
Notification From Public
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 incident occurred during a maintenance activity. The control room did not have a role with the incident.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Threaded Connection/coupling Failure
Eq Failure Type
Threaded Connection/coupling Failure
Other Stripped Ind
Threaded Fitting
Additional Support Ind
Yes
Preparer Name
R** R**
Preparer Title
Director Of Integrity Management
Preparer Email
R****@w***********.com
Preparer Telephone
806.358.1321
Preparer Fax
806.354.0797
Authorizer Name
B*** B***
Authorizer Title
Operations Manager
Authorizer Telephone
432.682.4349
Authorizer Email
B****@w***********.com
Narrative
Wtg gas transmission company was in the process of de-pressuring compressor unit #7 to perform maintenance on the unit. An employee began opening the 2' blow-down, releasing gas to the atmosphere. During the venting process, a screwed fitting separated, with a part of the loose vent piping fatally striking the employee. The vent valve was closed securing the release.
| Report Received Date | 2014-06-30 00:00:00 |
|---|---|
| Iyear | 2014 |
| Report Number | 20140071 |
| Supplemental Number | 16460 |
| Report Type | Supplemental Final |
| Operator Id | 31968 PHMSA Enforcement |
| Name | Wtg Gas Transmission Company |
| Operator Street Address | 303 Veterans Airpark Lane |
| Operator City Name | Midland |
| Operator State Abbreviation | TX |
| Operator Postal Code | 79705 |
| Local Datetime | 2014-06-01 19:45:00 |
| Location Latitude | 32.220428 Google Maps OpenStreetMap |
| Location Longitude | -102.104747 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1084567 NRC Report How to search |
| Nrc Rpt Datetime | 2014-06-01 21:45:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 0 |
| Intentional Release | 906.6 |
| Accompanying Liquid | 0 |
| Fatality Ind | Yes |
| Num Emp Fatalities | 1 |
| Num Contr Fatalities | 0 |
| Num Er Fatalities | 0 |
| Num Worker Fatalities | 0 |
| Num Gp Fatalities | 0 |
| Fatal | 1 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2014-06-01 22:05:00 |
| Restart Datetime | 2014-06-03 14:00:00 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2014-06-01 21:35:00 |
| On Site Datetime | 2014-06-01 22:05:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 79701 |
| Onshore City Name | Midland |
| Onshore County Name | Martin |
| Designated Location | Milepost |
| Pipe Fac Name | Snyder Mainline |
| Segment Name | Martin County 3 Compressor Station |
| Federal | No |
| Location Type | Operator-Controlled Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| System Part Involved | Onshore Compressor Station Equipment And Piping |
| Item Involved | Drain Lines |
| Installation Year | 2013 |
| Material Involved | Carbon Steel |
| Release Type | Other |
| Release Type Details | Compressor Blow Down Vent Piping Was Connected By Threaded Fittings. During An Intentional Blow Down Of The Compressor, A Threaded Connection Between A Straight Run Of Pipe And A 90 Degree Failed. |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 235 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Hca Fatalities Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 0 |
| Est Cost Intentional Release | 4570 |
| Est Cost Prop Damage | 1400 |
| Est Cost Emergency | 2000 |
| Est Cost Other | 0 |
| Prpty | 7970 |
| Accident Psig | 525 |
| Mop Psig | 800 |
| Mop Cfr Section | Not On Omb-Approved Form When Submitted View CFR 49 §192 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Pipeline Function | Transmission System |
| Scada In Place Ind | No |
| Accident Identifier | Notification From Public |
| 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 incident occurred during a maintenance activity. The control room did not have a role with the incident. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Threaded Connection/coupling Failure |
| Eq Failure Type | Threaded Connection/coupling Failure |
| Other Stripped Ind | Threaded Fitting |
| Additional Support Ind | Yes |
| Preparer Name | R** R** |
| Preparer Title | Director Of Integrity Management |
| Preparer Email | R****@w***********.com |
| Preparer Telephone | 806.358.1321 |
| Preparer Fax | 806.354.0797 |
| Authorizer Name | B*** B*** |
| Authorizer Title | Operations Manager |
| Authorizer Telephone | 432.682.4349 |
| Authorizer Email | B****@w***********.com |
| Narrative | Wtg gas transmission company was in the process of de-pressuring compressor unit #7 to perform maintenance on the unit. An employee began opening the 2' blow-down, releasing gas to the atmosphere. During the venting process, a screwed fitting separated, with a part of the loose vent piping fatally striking the employee. The vent valve was closed securing the release. |
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