Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2014-02-27 — TX
Operator
Acadian Gas Pipeline System
Cause
Incorrect Operation
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$0
Incident datetime
2014-02-27 09:25
Report number
Location
TX
Narrative
The 6 inch chico b pipeline relief valve opened to atmosphere due to the controller failing to respond to high pressure alarm. Pipeline control followed established procedures to evaluate the controller response; the controller was re-trained and re-qualified to prevent reoccurrence. The relief valve functioned properly of which resulted in the intentional release to the atmosphere. Pursuant to operator judgment that it was a significant event due to the sensitivity of the circumstance where incident occurred, the nrc was notified based on the information available at the time.
Detailed record list
Report Received Date
2014-03-28 00:00:00
Iyear
2014
Report Number
20140033
Supplemental Number
16415
Report Type
Supplemental Final
Operator Id
Name
Acadian Gas Pipeline System
Operator Street Address
1100 Louisiana St.
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2014-02-27 09:25:00
Location Latitude
30.019769
Location Longitude
-91.137862
Nrc Rpt Num
1075268
Nrc Rpt Datetime
2014-02-27 11:12:00
Commodity Released Type
Natural Gas
Unintentional Release
0
Intentional Release
5335
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
No
Shutdown Explain
Relief Valve Relieved To Atmosphere
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2014-02-27 09:25:00
On Site Datetime
2014-02-27 09:25:00
On Off Shore
Onshore
Onshore State Abbreviation
La
Onshore Postal Code
70341
Onshore City Name
Grand Bayou
Onshore County Name
Assumption Parish
Designated Location
Milepost
Designated Name
2436+21
Pipe Fac Name
Chico B
Segment Name
307-0100
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
Relief Valve
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Relief Valve Opened To Atmosphere.
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
430
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
29769
Est Cost Prop Damage
0
Est Cost Emergency
0
Est Cost Other
0
Prpty
29769
Accident Psig
902
Mop Psig
909
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
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Investigation Status
Yes, specify investigation result(s): (select all that apply)
Invest Incorrect Action Ind
Yes
Employee Drug Test Ind
Yes
Contractor Drug Test Ind
No
Num Employees Tested
1
Num Employees Failed
0
Cause
Incorrect Operation
Cause Details
Other Incorrect Operation
Operation Type
Other Incorrect Operation
Operation Details
Controller Failing To Respond To High Pressure Alarm.
Related Failure Follow Ind
Yes
Category Type
Normal Operating Conditions
Operator Qualification Ind
Yes
Qualified Individuals
Yes, They Were Qualified For The Task(S)
Preparer Name
N***** L* G*** J**
Preparer Title
Senior Pipeline Compliance Specialist
Preparer Email
N****@e****.com
Preparer Telephone
9854934629
Authorizer Name
N***** L* G*** J**
Authorizer Title
Senior Pipeline Compliance Specialist
Authorizer Telephone
9854934629
Authorizer Email
N****@e****.com
Narrative
The 6 inch chico b pipeline relief valve opened to atmosphere due to the controller failing to respond to high pressure alarm. Pipeline control followed established procedures to evaluate the controller response; the controller was re-trained and re-qualified to prevent reoccurrence. The relief valve functioned properly of which resulted in the intentional release to the atmosphere. Pursuant to operator judgment that it was a significant event due to the sensitivity of the circumstance where incident occurred, the nrc was notified based on the information available at the time.
| Report Received Date | 2014-03-28 00:00:00 |
|---|---|
| Iyear | 2014 |
| Report Number | 20140033 |
| Supplemental Number | 16415 |
| Report Type | Supplemental Final |
| Operator Id | 3 PHMSA Enforcement |
| Name | Acadian Gas Pipeline System |
| Operator Street Address | 1100 Louisiana St. |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2014-02-27 09:25:00 |
| Location Latitude | 30.019769 Google Maps OpenStreetMap |
| Location Longitude | -91.137862 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1075268 NRC Report How to search |
| Nrc Rpt Datetime | 2014-02-27 11:12:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 0 |
| Intentional Release | 5335 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Relief Valve Relieved To Atmosphere |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2014-02-27 09:25:00 |
| On Site Datetime | 2014-02-27 09:25:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | La |
| Onshore Postal Code | 70341 |
| Onshore City Name | Grand Bayou |
| Onshore County Name | Assumption Parish |
| Designated Location | Milepost |
| Designated Name | 2436+21 |
| Pipe Fac Name | Chico B |
| Segment Name | 307-0100 |
| 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 | Relief Valve |
| Material Involved | Carbon Steel |
| Release Type | Other |
| Release Type Details | Relief Valve Opened To Atmosphere. |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 430 |
| 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 | 29769 |
| Est Cost Prop Damage | 0 |
| Est Cost Emergency | 0 |
| Est Cost Other | 0 |
| Prpty | 29769 |
| Accident Psig | 902 |
| Mop Psig | 909 |
| 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 | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Investigation Status | Yes, specify investigation result(s): (select all that apply) |
| Invest Incorrect Action Ind | Yes |
| Employee Drug Test Ind | Yes |
| Contractor Drug Test Ind | No |
| Num Employees Tested | 1 |
| Num Employees Failed | 0 |
| Cause | Incorrect Operation |
| Cause Details | Other Incorrect Operation |
| Operation Type | Other Incorrect Operation |
| Operation Details | Controller Failing To Respond To High Pressure Alarm. |
| Related Failure Follow Ind | Yes |
| Category Type | Normal Operating Conditions |
| Operator Qualification Ind | Yes |
| Qualified Individuals | Yes, They Were Qualified For The Task(S) |
| Preparer Name | N***** L* G*** J** |
| Preparer Title | Senior Pipeline Compliance Specialist |
| Preparer Email | N****@e****.com |
| Preparer Telephone | 9854934629 |
| Authorizer Name | N***** L* G*** J** |
| Authorizer Title | Senior Pipeline Compliance Specialist |
| Authorizer Telephone | 9854934629 |
| Authorizer Email | N****@e****.com |
| Narrative | The 6 inch chico b pipeline relief valve opened to atmosphere due to the controller failing to respond to high pressure alarm. Pipeline control followed established procedures to evaluate the controller response; the controller was re-trained and re-qualified to prevent reoccurrence. The relief valve functioned properly of which resulted in the intentional release to the atmosphere. Pursuant to operator judgment that it was a significant event due to the sensitivity of the circumstance where incident occurred, the nrc was notified based on the information available at the time. |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA