Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2011-05-24 — TX
Operator
Enogex Llc
Cause
Natural Force Damage
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$1,200,000
Incident datetime
2011-05-24 16:00
Report number
Location
TX
Narrative
A comprehensive inspection was performed to determine the full extent of the damage following a tornado struck the enogex metering and pipeline facility adjacent to the devon canna plant. Extensive damage to a ultrasonic meter, control valve, pressure monitor valve, isolation valve, efm, scada equipment, gas quality monitoring equipment including a gas chromatograph as well as above ground piping prevents the repair of this facility. All metering equipment and piping that connects the devon plant outlet to our l-300 was removed and the entire facility was redesigned and constructed. Update march 5, 2013: completed section e.5.F.
Detailed record list
Report Received Date
2011-06-23 00:00:00
Iyear
2011
Report Number
20110195
Supplemental Number
15788
Report Type
Supplemental Final
Operator Id
26330
Name
Enogex Llc
Operator Street Address
1300 Main Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2011-05-24 16:00:00
Location Latitude
35.5366
Location Longitude
-98.1038
Nrc Rpt Num
977425
Nrc Rpt Datetime
2011-05-25 17:13:00
Commodity Released Type
Natural Gas
Unintentional Release
1773
Intentional Release
0
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2011-05-24 16:30:00
Still Shutdown Ind
Yes
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2011-05-24 16:00:00
On Site Datetime
2011-05-24 16:15:00
On Off Shore
Onshore
Onshore State Abbreviation
Ok
Onshore Postal Code
73014
Onshore City Name
Calumet
Onshore County Name
Canadian
Designated Location
Milepost
Pipe Fac Name
Devon Canna Plant
Segment Name
L-300
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 Regulator/metering Station Equipment And Piping
Item Involved
Other
Item Involved Details
All Piping In Meter Yard
Installation Year
2010
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Flying Debris Caused By Tornado Destroyed Instrumentation, Damaged Above Ground Piping, And Broke Three 1 Inch Pipe Nipples.
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
398
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
7322
Est Cost Intentional Release
0
Est Cost Prop Damage
1200000
Est Cost Emergency
400
Est Cost Other
0
Prpty
1207722
Accident Psig
700
Mop Psig
1300
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
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
Yes
Accident Identifier
Other
Accident Details
Notification From Devon Plant Employees
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
Incident was caused by an act of god, I.E. Tornado.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Natural Force Damage
Cause Details
High Winds
Natural Force Type
High Winds
Nf Extreme Weather Ind
Yes
Nf Tornado Ind
Yes
Preparer Name
M*** R***
Preparer Title
Manager Ehs Assessment And Compliance
Preparer Email
R*****@o**.com
Preparer Telephone
405 558-4685
Preparer Fax
405 557-8618
Authorizer Name
P*** M B*****
Authorizer Title
Vp Operations
Authorizer Telephone
405 525-7788
Authorizer Email
B*******@o**.com
Narrative
A comprehensive inspection was performed to determine the full extent of the damage following a tornado struck the enogex metering and pipeline facility adjacent to the devon canna plant. Extensive damage to a ultrasonic meter, control valve, pressure monitor valve, isolation valve, efm, scada equipment, gas quality monitoring equipment including a gas chromatograph as well as above ground piping prevents the repair of this facility. All metering equipment and piping that connects the devon plant outlet to our l-300 was removed and the entire facility was redesigned and constructed. Update march 5, 2013: completed section e.5.F.
| Report Received Date | 2011-06-23 00:00:00 |
|---|---|
| Iyear | 2011 |
| Report Number | 20110195 |
| Supplemental Number | 15788 |
| Report Type | Supplemental Final |
| Operator Id | 26330 PHMSA Enforcement |
| Name | Enogex Llc |
| Operator Street Address | 1300 Main Street |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2011-05-24 16:00:00 |
| Location Latitude | 35.5366 Google Maps OpenStreetMap |
| Location Longitude | -98.1038 Google Maps OpenStreetMap |
| Nrc Rpt Num | 977425 NRC Report How to search |
| Nrc Rpt Datetime | 2011-05-25 17:13:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 1773 |
| Intentional Release | 0 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2011-05-24 16:30:00 |
| Still Shutdown Ind | Yes |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2011-05-24 16:00:00 |
| On Site Datetime | 2011-05-24 16:15:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Ok |
| Onshore Postal Code | 73014 |
| Onshore City Name | Calumet |
| Onshore County Name | Canadian |
| Designated Location | Milepost |
| Pipe Fac Name | Devon Canna Plant |
| Segment Name | L-300 |
| 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 Regulator/metering Station Equipment And Piping |
| Item Involved | Other |
| Item Involved Details | All Piping In Meter Yard |
| Installation Year | 2010 |
| Material Involved | Carbon Steel |
| Release Type | Other |
| Release Type Details | Flying Debris Caused By Tornado Destroyed Instrumentation, Damaged Above Ground Piping, And Broke Three 1 Inch Pipe Nipples. |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 398 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Hca Fatalities Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 7322 |
| Est Cost Intentional Release | 0 |
| Est Cost Prop Damage | 1200000 |
| Est Cost Emergency | 400 |
| Est Cost Other | 0 |
| Prpty | 1207722 |
| Accident Psig | 700 |
| Mop Psig | 1300 |
| 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 | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | No |
| Scada Conf Ind | Yes |
| Accident Identifier | Other |
| Accident Details | Notification From Devon Plant Employees |
| 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 | Incident was caused by an act of god, I.E. Tornado. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Natural Force Damage |
| Cause Details | High Winds |
| Natural Force Type | High Winds |
| Nf Extreme Weather Ind | Yes |
| Nf Tornado Ind | Yes |
| Preparer Name | M*** R*** |
| Preparer Title | Manager Ehs Assessment And Compliance |
| Preparer Email | R*****@o**.com |
| Preparer Telephone | 405 558-4685 |
| Preparer Fax | 405 557-8618 |
| Authorizer Name | P*** M B***** |
| Authorizer Title | Vp Operations |
| Authorizer Telephone | 405 525-7788 |
| Authorizer Email | B*******@o**.com |
| Narrative | A comprehensive inspection was performed to determine the full extent of the damage following a tornado struck the enogex metering and pipeline facility adjacent to the devon canna plant. Extensive damage to a ultrasonic meter, control valve, pressure monitor valve, isolation valve, efm, scada equipment, gas quality monitoring equipment including a gas chromatograph as well as above ground piping prevents the repair of this facility. All metering equipment and piping that connects the devon plant outlet to our l-300 was removed and the entire facility was redesigned and constructed. Update march 5, 2013: completed section e.5.F. |
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