Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2012-11-26 — TX
Operator
Colorado Interstate Gas Co
Cause
Equipment Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$1,000
Incident datetime
2012-11-26 03:56
Report number
Location
TX
Narrative
Failed hazardous gas detector caused partial station esd. Unit suction esd valve only partially closed due to malfunction in valve actuator causing continuous venting exceeding reporting criteria. Operations personnel secured the area and shut-in the vent valves.
Detailed record list
Report Received Date
2012-12-14 00:00:00
Iyear
2012
Report Number
20120125
Supplemental Number
16387
Report Type
Supplemental Final
Operator Id
2564
Name
Colorado Interstate Gas Co
Operator Street Address
1001 Louisiana St, Suite 1000
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2012-11-26 03:56:00
Location Latitude
41.433889
Location Longitude
-105.935833
Nrc Rpt Num
1031501
Nrc Rpt Datetime
2012-11-26 06:20:00
Commodity Released Type
Natural Gas
Unintentional Release
33806
Intentional Release
0
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
No
Shutdown Explain
Station Was Off-Line At Time Of Incident.
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2012-11-26 03:56:00
On Site Datetime
2012-11-26 04:20:00
On Off Shore
Onshore
Onshore State Abbreviation
Wy
Onshore Postal Code
82070
Onshore City Name
Laramie
Onshore County Name
Albany
Designated Location
Survey Station No.
Designated Name
156+48188
Pipe Fac Name
Laramie Compressor Station
Segment Name
5a
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
Interstate
System Part Involved
Onshore Compressor Station Equipment And Piping
Item Involved
Valve
Valve Type
Auxiliary Or Other Valve
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Failed Hazardous Gas Detector Caused Partial Station Esd. Station Suction Esd Valve Only Partially Closed Due To Malfunction In Valve Actuator Causing Continuous Venting. Operations Personnel Secured The Area And Shut-In The Vent Valves.
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
483
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
60343
Est Cost Intentional Release
0
Est Cost Prop Damage
1000
Est Cost Emergency
800
Est Cost Other
0
Prpty
62143
Accident Psig
651
Mop Psig
850
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
Yes
Scada Conf Ind
Yes
Accident Identifier
Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Or Pack Calculations)
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
Probable cause was confined to station equipment and not under control of the control room. Upon receipt of alarm, gas controller executed notification procedures as required.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Malfunction Of Control/relief Equipment
Eq Failure Type
Malfunction Of Control/relief Equipment
Block Valve Ind
Yes
Other Control Relief Ind
Yes
Other Control Relief Details
Hazardous Gas Detector And Valve Actuator.
Eq Additional Other Ind
Yes
Eq Additional Other Details
Hazardous Gas Detector Replaced And Actuautor Cleaned And Repaired.
Preparer Name
S****** R* D****
Preparer Title
Compliance Engineer
Preparer Email
S************@k***********.com
Preparer Telephone
719 481 1271
Preparer Fax
719 329 5673
Authorizer Name
R*** G*****
Authorizer Title
Director - Engineering Codes And Standards
Authorizer Telephone
713-420-5433
Authorizer Email
G**********@k***********.com
Narrative
Failed hazardous gas detector caused partial station esd. Unit suction esd valve only partially closed due to malfunction in valve actuator causing continuous venting exceeding reporting criteria. Operations personnel secured the area and shut-in the vent valves.
| Report Received Date | 2012-12-14 00:00:00 |
|---|---|
| Iyear | 2012 |
| Report Number | 20120125 |
| Supplemental Number | 16387 |
| Report Type | Supplemental Final |
| Operator Id | 2564 PHMSA Enforcement |
| Name | Colorado Interstate Gas Co |
| Operator Street Address | 1001 Louisiana St, Suite 1000 |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2012-11-26 03:56:00 |
| Location Latitude | 41.433889 Google Maps OpenStreetMap |
| Location Longitude | -105.935833 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1031501 NRC Report How to search |
| Nrc Rpt Datetime | 2012-11-26 06:20:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 33806 |
| Intentional Release | 0 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Station Was Off-Line At Time Of Incident. |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2012-11-26 03:56:00 |
| On Site Datetime | 2012-11-26 04:20:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Wy |
| Onshore Postal Code | 82070 |
| Onshore City Name | Laramie |
| Onshore County Name | Albany |
| Designated Location | Survey Station No. |
| Designated Name | 156+48188 |
| Pipe Fac Name | Laramie Compressor Station |
| Segment Name | 5a |
| 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 | Interstate |
| System Part Involved | Onshore Compressor Station Equipment And Piping |
| Item Involved | Valve |
| Valve Type | Auxiliary Or Other Valve |
| Material Involved | Carbon Steel |
| Release Type | Other |
| Release Type Details | Failed Hazardous Gas Detector Caused Partial Station Esd. Station Suction Esd Valve Only Partially Closed Due To Malfunction In Valve Actuator Causing Continuous Venting. Operations Personnel Secured The Area And Shut-In The Vent Valves. |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 483 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Hca Fatalities Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 60343 |
| Est Cost Intentional Release | 0 |
| Est Cost Prop Damage | 1000 |
| Est Cost Emergency | 800 |
| Est Cost Other | 0 |
| Prpty | 62143 |
| Accident Psig | 651 |
| Mop Psig | 850 |
| 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 | Yes |
| Scada Conf Ind | Yes |
| Accident Identifier | Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Or Pack Calculations) |
| 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 | Probable cause was confined to station equipment and not under control of the control room. Upon receipt of alarm, gas controller executed notification procedures as required. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Malfunction Of Control/relief Equipment |
| Eq Failure Type | Malfunction Of Control/relief Equipment |
| Block Valve Ind | Yes |
| Other Control Relief Ind | Yes |
| Other Control Relief Details | Hazardous Gas Detector And Valve Actuator. |
| Eq Additional Other Ind | Yes |
| Eq Additional Other Details | Hazardous Gas Detector Replaced And Actuautor Cleaned And Repaired. |
| Preparer Name | S****** R* D**** |
| Preparer Title | Compliance Engineer |
| Preparer Email | S************@k***********.com |
| Preparer Telephone | 719 481 1271 |
| Preparer Fax | 719 329 5673 |
| Authorizer Name | R*** G***** |
| Authorizer Title | Director - Engineering Codes And Standards |
| Authorizer Telephone | 713-420-5433 |
| Authorizer Email | G**********@k***********.com |
| Narrative | Failed hazardous gas detector caused partial station esd. Unit suction esd valve only partially closed due to malfunction in valve actuator causing continuous venting exceeding reporting criteria. Operations personnel secured the area and shut-in the vent valves. |
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