Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2010-12-08 — TX
Operator
Tennessee Gas Pipeline Co (El Paso)
Cause
Corrosion Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$110,000
Incident datetime
2010-12-08 16:25
Report number
Location
TX
Narrative
On december 8, 2010, tennessee gas pipeline (tgp) operations personnel at the company's east bernard compressor station (station 17) heard a loud noise approximately 1,100 feet south of their location. Tgp gas control observed a corresponding pressure drop in the pipeline near the station. A 24-inch pipe had ruptured without gas ignition. The cause has been determined to be internal corrosion.
Detailed record list
Report Received Date
2011-01-06 00:00:00
Iyear
2010
Report Number
20110002
Supplemental Number
15289
Report Type
Supplemental Final
Operator Id
19160
Name
Tennessee Gas Pipeline Co (El Paso)
Operator Street Address
1001 Louisiana St
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2010-12-08 16:25:00
Location Latitude
29.531381
Location Longitude
-96.1425
Nrc Rpt Num
961743
Nrc Rpt Datetime
2010-12-08 17:38:00
Commodity Released Type
Natural Gas
Unintentional Release
69908
Intentional Release
0
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2010-12-08 16:25:00
Restart Datetime
2011-01-27 15:45:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
2
Incident Identified Datetime
2010-12-08 16:25:00
On Site Datetime
2010-12-08 16:25:00
On Off Shore
Onshore
Onshore State Abbreviation
Tx
Onshore Postal Code
77435-9487
Onshore City Name
East Bernard
Onshore County Name
Wharton
Designated Location
Milepost
Designated Name
0
Pipe Fac Name
East Bernard Station 17
Segment Name
High Pressure Gas Gathering Header
Federal
No
Location Type
Operator-Controlled Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
39
Crossing
No
Pipe Facility Type
Interstate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
24
Pipe Wall Thickness
0.5
Pipe Smys
40000
Pipe Specification
Api 5l Or Equivalent
Pipe Seam Type
Other
Pipe Seam Details
Unknown.
Pipe Manufacturer
A.o. Smith
Pipe Coating Type
Coal Tar
Installation Year
1947
Manufactured Year
1947
Material Involved
Carbon Steel
Release Type
Rupture
Rupture Orient
Longitudinal
Rupture Length
141
Rupture Width
24
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
454
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
600000
Est Cost Intentional Release
0
Est Cost Prop Damage
110000
Est Cost Emergency
5000
Est Cost Other
0
Prpty
715000
Accident Psig
717
Mop Psig
750
Mop Cfr Section
Not On Omb-Approved Form When Submitted
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Length Segment Isolated
46780
Internal Inspection Ind
No
Other Inspection Ind
Yes
Internal Inspection Details
Segment Containing Failure Is A Capped "stub" Of Pipe Thus Rendering A Configuration That Does Not Accommodate An Internal Inspection Tool.
Operation Complications 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
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
Operating pressures were in normal range.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
Internal Corrosion
Internal External
Internal Corrosion
Int Visual Exam Results
Other
Int Visual Exam Details
Mic Deteriorating The Inside Wall Of The Pipe.
Int Microbiological Ind
Yes
Int Metallurgical Basis Ind
Yes
Int Other Loc Ind
Yes
Corrosion Location Details
Dead End (Weld Cap).
Corrosion Inhibitors
No
Corrosion Lining
No
Cleaning Dewatering
Not Applicable - Not Mainline Pipe
Corrosion Coupons
No
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
K****** C P*****
Preparer Title
Manager - Dot Compliance Field Support
Preparer Email
K*********@e*****.com
Preparer Telephone
2053257554
Preparer Fax
2053253729
Authorizer Name
K****** C P*****
Authorizer Title
Manager - Dot Compliance Field Support
Authorizer Telephone
2053257554
Authorizer Email
K*********@e*****.com
Narrative
On december 8, 2010, tennessee gas pipeline (tgp) operations personnel at the company's east bernard compressor station (station 17) heard a loud noise approximately 1,100 feet south of their location. Tgp gas control observed a corresponding pressure drop in the pipeline near the station. A 24-inch pipe had ruptured without gas ignition. The cause has been determined to be internal corrosion.
| Report Received Date | 2011-01-06 00:00:00 |
|---|---|
| Iyear | 2010 |
| Report Number | 20110002 |
| Supplemental Number | 15289 |
| Report Type | Supplemental Final |
| Operator Id | 19160 PHMSA Enforcement |
| Name | Tennessee Gas Pipeline Co (El Paso) |
| Operator Street Address | 1001 Louisiana St |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2010-12-08 16:25:00 |
| Location Latitude | 29.531381 Google Maps OpenStreetMap |
| Location Longitude | -96.1425 Google Maps OpenStreetMap |
| Nrc Rpt Num | 961743 NRC Report How to search |
| Nrc Rpt Datetime | 2010-12-08 17:38:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 69908 |
| Intentional Release | 0 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2010-12-08 16:25:00 |
| Restart Datetime | 2011-01-27 15:45:00 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 2 |
| Incident Identified Datetime | 2010-12-08 16:25:00 |
| On Site Datetime | 2010-12-08 16:25:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77435-9487 |
| Onshore City Name | East Bernard |
| Onshore County Name | Wharton |
| Designated Location | Milepost |
| Designated Name | 0 |
| Pipe Fac Name | East Bernard Station 17 |
| Segment Name | High Pressure Gas Gathering Header |
| Federal | No |
| Location Type | Operator-Controlled Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 39 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 24 |
| Pipe Wall Thickness | 0.5 |
| Pipe Smys | 40000 |
| Pipe Specification | Api 5l Or Equivalent |
| Pipe Seam Type | Other |
| Pipe Seam Details | Unknown. |
| Pipe Manufacturer | A.o. Smith |
| Pipe Coating Type | Coal Tar |
| Installation Year | 1947 |
| Manufactured Year | 1947 |
| Material Involved | Carbon Steel |
| Release Type | Rupture |
| Rupture Orient | Longitudinal |
| Rupture Length | 141 |
| Rupture Width | 24 |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 454 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Hca Fatalities Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 600000 |
| Est Cost Intentional Release | 0 |
| Est Cost Prop Damage | 110000 |
| Est Cost Emergency | 5000 |
| Est Cost Other | 0 |
| Prpty | 715000 |
| Accident Psig | 717 |
| Mop Psig | 750 |
| 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 |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Length Segment Isolated | 46780 |
| Internal Inspection Ind | No |
| Other Inspection Ind | Yes |
| Internal Inspection Details | Segment Containing Failure Is A Capped "stub" Of Pipe Thus Rendering A Configuration That Does Not Accommodate An Internal Inspection Tool. |
| Operation Complications 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 | 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 | Operating pressures were in normal range. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Corrosion Failure |
| Cause Details | Internal Corrosion |
| Internal External | Internal Corrosion |
| Int Visual Exam Results | Other |
| Int Visual Exam Details | Mic Deteriorating The Inside Wall Of The Pipe. |
| Int Microbiological Ind | Yes |
| Int Metallurgical Basis Ind | Yes |
| Int Other Loc Ind | Yes |
| Corrosion Location Details | Dead End (Weld Cap). |
| Corrosion Inhibitors | No |
| Corrosion Lining | No |
| Cleaning Dewatering | Not Applicable - Not Mainline Pipe |
| Corrosion Coupons | No |
| Collected Data Ind | No |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | K****** C P***** |
| Preparer Title | Manager - Dot Compliance Field Support |
| Preparer Email | K*********@e*****.com |
| Preparer Telephone | 2053257554 |
| Preparer Fax | 2053253729 |
| Authorizer Name | K****** C P***** |
| Authorizer Title | Manager - Dot Compliance Field Support |
| Authorizer Telephone | 2053257554 |
| Authorizer Email | K*********@e*****.com |
| Narrative | On december 8, 2010, tennessee gas pipeline (tgp) operations personnel at the company's east bernard compressor station (station 17) heard a loud noise approximately 1,100 feet south of their location. Tgp gas control observed a corresponding pressure drop in the pipeline near the station. A 24-inch pipe had ruptured without gas ignition. The cause has been determined to be internal corrosion. |
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