Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2014-12-09 — LA
Operator
Legacy Resources Co Lp
Cause
Other Incident Cause
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$400,000
Incident datetime
2014-12-09 08:47
Report number
Location
LA
Narrative
An unknown vessel ran over the structural platform and well. The actuator and stem on the uppermaster tree valve was sheared off and could not close. Gas was bubbling out of the uppermaster. Divers were dispatched and found that the stem of the manual lower master valve was also bent by the unknown vessel. Divers were able to relieve control pressure to the scssv and it closed, stopping the leak. Divers removed all valves above lower master valveand installed a new valve and closed it. The well has been plugged and abandoned, the stucture is being cleared and flowlines abandoned. No supplemental report will be filed.
Detailed record list
Report Received Date
2014-12-17 00:00:00
Iyear
2014
Report Number
20140140
Supplemental Number
16580
Report Type
Original Final
Operator Id
31836
Name
Legacy Resources Co Lp
Operator Street Address
1423 W. Causeway Approach
Operator City Name
Mandeville
Operator State Abbreviation
LA
Operator Postal Code
70471
Local Datetime
2014-12-09 01:00:00
Location Latitude
30.28689
Location Longitude
88.06815
Nrc Rpt Num
1102980
Nrc Rpt Datetime
2014-12-09 09:12:00
Commodity Released Type
Natural Gas
Unintentional Release
73.5
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2014-12-09 17:53:00
Still Shutdown Ind
Yes
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2014-12-09 08:47:00
On Site Datetime
2014-12-09 16:30:00
On Off Shore
Offshore
Off Water Depth
13
Off Accident Origin
In State Waters
Offshore State Abbreviation
Al
Off Instate Area
Mobile Bay
Off Instate Block
Block 76
Offshore County Name
Mobile
Off Area Accident Type
Platform
Pipe Facility Type
Intrastate
System Part Involved
Offshore Platform, Including Platform-Mounted Equipment And Piping
Item Involved
Other
Item Involved Details
Wellhead
Installation Year
2003
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Actuator & Stem Sheared Off
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
96
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
296
Est Cost Intentional Release
0
Est Cost Prop Damage
400000
Est Cost Emergency
200000
Est Cost Other
0
Prpty
600296
Accident Psig
580
Mop Psig
5000
Mop Cfr Section
Not On Omb-Approved Form When Submitted
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Pipeline Function
Offshore Gathering
Scada In Place Ind
No
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Contractor Working For The Operator
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the incident
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Incident Cause
Cause Details
Miscellaneous
Other Type
Miscellaneous
Misc Details
Investigation Is Complete, It Is Believed That A Unknown Vessel Ran Over Well & Platform
Preparer Name
J***** D****
Preparer Title
Plans And Water Quality Manager
Preparer Email
J*****@h*************.com
Preparer Telephone
337-839-1075
Authorizer Name
T** F*****
Authorizer Title
Production Manager
Authorizer Telephone
337-237-4761
Authorizer Email
T********@l****************.com
Narrative
An unknown vessel ran over the structural platform and well. The actuator and stem on the uppermaster tree valve was sheared off and could not close. Gas was bubbling out of the uppermaster. Divers were dispatched and found that the stem of the manual lower master valve was also bent by the unknown vessel. Divers were able to relieve control pressure to the scssv and it closed, stopping the leak. Divers removed all valves above lower master valveand installed a new valve and closed it. The well has been plugged and abandoned, the stucture is being cleared and flowlines abandoned. No supplemental report will be filed.
| Report Received Date | 2014-12-17 00:00:00 |
|---|---|
| Iyear | 2014 |
| Report Number | 20140140 |
| Supplemental Number | 16580 |
| Report Type | Original Final |
| Operator Id | 31836 PHMSA Enforcement |
| Name | Legacy Resources Co Lp |
| Operator Street Address | 1423 W. Causeway Approach |
| Operator City Name | Mandeville |
| Operator State Abbreviation | LA |
| Operator Postal Code | 70471 |
| Local Datetime | 2014-12-09 01:00:00 |
| Location Latitude | 30.28689 Google Maps OpenStreetMap |
| Location Longitude | 88.06815 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1102980 NRC Report How to search |
| Nrc Rpt Datetime | 2014-12-09 09:12:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 73.5 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2014-12-09 17:53:00 |
| Still Shutdown Ind | Yes |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2014-12-09 08:47:00 |
| On Site Datetime | 2014-12-09 16:30:00 |
| On Off Shore | Offshore |
| Off Water Depth | 13 |
| Off Accident Origin | In State Waters |
| Offshore State Abbreviation | Al |
| Off Instate Area | Mobile Bay |
| Off Instate Block | Block 76 |
| Offshore County Name | Mobile |
| Off Area Accident Type | Platform |
| Pipe Facility Type | Intrastate |
| System Part Involved | Offshore Platform, Including Platform-Mounted Equipment And Piping |
| Item Involved | Other |
| Item Involved Details | Wellhead |
| Installation Year | 2003 |
| Material Involved | Carbon Steel |
| Release Type | Other |
| Release Type Details | Actuator & Stem Sheared Off |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 96 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Hca Fatalities Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 296 |
| Est Cost Intentional Release | 0 |
| Est Cost Prop Damage | 400000 |
| Est Cost Emergency | 200000 |
| Est Cost Other | 0 |
| Prpty | 600296 |
| Accident Psig | 580 |
| Mop Psig | 5000 |
| 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 | Offshore Gathering |
| Scada In Place Ind | No |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Contractor Working For The Operator |
| Investigation Status | No, the facility was not monitored by a controller(s) at the time of the incident |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Other Incident Cause |
| Cause Details | Miscellaneous |
| Other Type | Miscellaneous |
| Misc Details | Investigation Is Complete, It Is Believed That A Unknown Vessel Ran Over Well & Platform |
| Preparer Name | J***** D**** |
| Preparer Title | Plans And Water Quality Manager |
| Preparer Email | J*****@h*************.com |
| Preparer Telephone | 337-839-1075 |
| Authorizer Name | T** F***** |
| Authorizer Title | Production Manager |
| Authorizer Telephone | 337-237-4761 |
| Authorizer Email | T********@l****************.com |
| Narrative | An unknown vessel ran over the structural platform and well. The actuator and stem on the uppermaster tree valve was sheared off and could not close. Gas was bubbling out of the uppermaster. Divers were dispatched and found that the stem of the manual lower master valve was also bent by the unknown vessel. Divers were able to relieve control pressure to the scssv and it closed, stopping the leak. Divers removed all valves above lower master valveand installed a new valve and closed it. The well has been plugged and abandoned, the stucture is being cleared and flowlines abandoned. No supplemental report will be filed. |
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