Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2017-06-29 — TX
Operator
Texas Gas Transmission, Llc
Cause
Equipment Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$0
Incident datetime
2017-06-29 10:20
Report number
Location
TX
Narrative
A relief valve at the columbia compressor station prematurely activated. Maop of 810 psig was exceeded; recorded pressure of 820 psig was documented. Maop exceedance was not 110% or more. Relief valve was set at 843 psig. The operator at the station worked with controller to shut in the valve. The relief valve will be removed.
Detailed record list
Report Received Date
2017-07-27 00:00:00
Iyear
2017
Report Number
20170063
Supplemental Number
17390
Report Type
Original Final
Operator Id
19270
Name
Texas Gas Transmission, Llc
Operator Street Address
9 Greenway Plaza Suite 2800
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77046
Local Datetime
2017-06-29 10:20:00
Location Latitude
32.158717
Location Longitude
-92.092431
Nrc Rpt Num
1182633
Nrc Rpt Datetime
2017-06-29 11:15:00
Commodity Released Type
Natural Gas
Unintentional Release
26710
Intentional Release
0
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
No
Shutdown Explain
This Event Caused No Interruption In Service.
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2017-06-29 10:20:00
On Site Datetime
2017-06-29 10:57:00
On Off Shore
Onshore
Onshore State Abbreviation
La
Onshore Postal Code
71418
Onshore City Name
Columbia
Onshore County Name
Caldwell
Designated Location
Milepost
Designated Name
59.4155
Pipe Fac Name
Columbia Compressor Station
Segment Name
Bae
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
Relief Valve
Installation Year
1968
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Relief Valve Vented Prematurely.
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
157
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
86540
Est Cost Intentional Release
0
Est Cost Prop Damage
0
Est Cost Emergency
0
Est Cost Other
0
Prpty
86540
Accident Psig
820
Mop Psig
810
Mop Cfr Section
192.619(A)(1)
Accident Pressure
Pressure Exceeded Maop, But Did Not Exceed The Applicable Allowance In 192.201
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
Notification From Public
Investigation Status
Yes, specify investigation result(s): (select all that apply)
Invest No Control Room Ind
Yes
Invest No Controller Ind
Yes
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
Relief Valve Ind
Yes
Additional Overpressure Ind
Yes
Preparer Name
S****** M********
Preparer Title
Pa Oq And Event Support Program Leader
Preparer Email
S****************@b*****.com
Preparer Telephone
2706886357
Preparer Fax
2706886948
Authorizer Name
J****** B* M******
Authorizer Title
Manager Codes And Standards
Authorizer Telephone
2706886361
Authorizer Email
J***********@b*****.com
Narrative
A relief valve at the columbia compressor station prematurely activated. Maop of 810 psig was exceeded; recorded pressure of 820 psig was documented. Maop exceedance was not 110% or more. Relief valve was set at 843 psig. The operator at the station worked with controller to shut in the valve. The relief valve will be removed.
| Report Received Date | 2017-07-27 00:00:00 |
|---|---|
| Iyear | 2017 |
| Report Number | 20170063 |
| Supplemental Number | 17390 |
| Report Type | Original Final |
| Operator Id | 19270 PHMSA Enforcement |
| Name | Texas Gas Transmission, Llc |
| Operator Street Address | 9 Greenway Plaza Suite 2800 |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77046 |
| Local Datetime | 2017-06-29 10:20:00 |
| Location Latitude | 32.158717 Google Maps OpenStreetMap |
| Location Longitude | -92.092431 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1182633 NRC Report How to search |
| Nrc Rpt Datetime | 2017-06-29 11:15:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 26710 |
| Intentional Release | 0 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | This Event Caused No Interruption In Service. |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2017-06-29 10:20:00 |
| On Site Datetime | 2017-06-29 10:57:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | La |
| Onshore Postal Code | 71418 |
| Onshore City Name | Columbia |
| Onshore County Name | Caldwell |
| Designated Location | Milepost |
| Designated Name | 59.4155 |
| Pipe Fac Name | Columbia Compressor Station |
| Segment Name | Bae |
| 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 | Relief Valve |
| Installation Year | 1968 |
| Material Involved | Carbon Steel |
| Release Type | Other |
| Release Type Details | Relief Valve Vented Prematurely. |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 157 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Hca Fatalities Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 86540 |
| Est Cost Intentional Release | 0 |
| Est Cost Prop Damage | 0 |
| Est Cost Emergency | 0 |
| Est Cost Other | 0 |
| Prpty | 86540 |
| Accident Psig | 820 |
| Mop Psig | 810 |
| Mop Cfr Section | 192.619(A)(1) View CFR 49 §192 |
| Accident Pressure | Pressure Exceeded Maop, But Did Not Exceed The Applicable Allowance In 192.201 |
| 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 | Notification From Public |
| Investigation Status | Yes, specify investigation result(s): (select all that apply) |
| Invest No Control Room Ind | Yes |
| Invest No Controller Ind | Yes |
| 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 |
| Relief Valve Ind | Yes |
| Additional Overpressure Ind | Yes |
| Preparer Name | S****** M******** |
| Preparer Title | Pa Oq And Event Support Program Leader |
| Preparer Email | S****************@b*****.com |
| Preparer Telephone | 2706886357 |
| Preparer Fax | 2706886948 |
| Authorizer Name | J****** B* M****** |
| Authorizer Title | Manager Codes And Standards |
| Authorizer Telephone | 2706886361 |
| Authorizer Email | J***********@b*****.com |
| Narrative | A relief valve at the columbia compressor station prematurely activated. Maop of 810 psig was exceeded; recorded pressure of 820 psig was documented. Maop exceedance was not 110% or more. Relief valve was set at 843 psig. The operator at the station worked with controller to shut in the valve. The relief valve will be removed. |
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