GTG incident on 2012-08-13 — TX

Operator
Texas Eastern Transmission Lp (Spectra Energy Corp)
Cause
Corrosion Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$600,000
Incident datetime
2012-08-13 08:15
Report number
Location
TX
Narrative
Indications of bubbles on the water surface in west cameron 549 were reported by a platform operator on august 13, 2012. Upon investigation it was determined the leak was caused by a pinhole leak resulting from internal corrosion. A leak clamp was installed for permanenet repair.
Detailed record list
Report Received Date
2012-09-10 00:00:00
Iyear
2012
Report Number
20120091
Supplemental Number
16193
Report Type
Supplemental Final
Operator Id
Name
Texas Eastern Transmission Lp (Spectra Energy Corp)
Operator Street Address
915 North Eldridge Parkway
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77079
Local Datetime
2012-08-13 08:15:00
Location Latitude
Location Longitude
Nrc Rpt Num
Nrc Rpt Datetime
2012-08-13 12:00:00
Commodity Released Type
Natural Gas
Unintentional Release
400
Intentional Release
13766
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2012-08-15 11:45:00
Restart Datetime
2012-08-17 18:00:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2012-08-13 08:15:00
On Site Datetime
2012-08-13 10:00:00
On Off Shore
Offshore
Off Water Depth
195
Off Accident Origin
On The Outer Continental Shelf (Ocs)
Off Ocs Area
West Cameron
Off Ocs Block
549
Off Area Accident Type
Below Water, Pipe Buried Or Jetted Below Seabed
Pipe Facility Type
Interstate
System Part Involved
Offshore Pipeline, Including Riser And Riser Bend
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
20
Pipe Wall Thickness
0.406
Pipe Smys
52000
Pipe Specification
Api-5l X-52
Pipe Seam Type
Seamless
Pipe Manufacturer
Us Steel
Pipe Coating Type
Other
Pipe Coating Details
Concrete And Somastic
Installation Year
1975
Manufactured Year
1975
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
524
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
1200
Est Cost Intentional Release
41298
Est Cost Prop Damage
600000
Est Cost Emergency
0
Est Cost Other
0
Prpty
642498
Accident Psig
858
Mop Psig
1440
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
106022
Internal Inspection Ind
No
Other Inspection Ind
Yes
Internal Inspection Details
No Platform From Which To Launch/receive
Operation Complications Ind
Yes
Other Complications Ind
Yes
Inspect Comp Details
No Platform From Which To Launch/receive
Pipeline Function
Transmission System
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Accident Identifier
Other
Accident Details
Third Party Platform Operator Observation
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
The leak was too small to be identified by control room personnel. A review of operating records found abnormal operating conditions did not cause or contribute to this incident.
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
Localized Pitting
Int Microbiological Ind
Yes
Int Field Exam Basis Ind
Yes
Int Low Point Pipe Loc Ind
Yes
Corrosion Inhibitors
Yes
Corrosion Lining
No
Cleaning Dewatering
No
Corrosion Coupons
Yes
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
D***** T**********
Preparer Title
Senior Technical Advisor
Preparer Email
D************@s************.com
Preparer Telephone
713-627-5573
Preparer Fax
713-386-4468
Authorizer Name
R*** K*****
Authorizer Title
Director Of Operational Compliance
Authorizer Telephone
713-627-6388
Authorizer Email
R*******@s************.com
Narrative
Indications of bubbles on the water surface in west cameron 549 were reported by a platform operator on august 13, 2012. Upon investigation it was determined the leak was caused by a pinhole leak resulting from internal corrosion. A leak clamp was installed for permanenet repair.
Report Received Date 2012-09-10 00:00:00
Iyear 2012
Report Number 20120091
Supplemental Number 16193
Report Type Supplemental Final
Operator Id 19235 PHMSA Enforcement
Name Texas Eastern Transmission Lp (Spectra Energy Corp)
Operator Street Address 915 North Eldridge Parkway
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77079
Local Datetime 2012-08-13 08:15:00
Location Latitude 28.2907083 Google Maps OpenStreetMap
Location Longitude -93.3531119 Google Maps OpenStreetMap
Nrc Rpt Num 1020906 NRC Report How to search
Nrc Rpt Datetime 2012-08-13 12:00:00
Commodity Released Type Natural Gas
Unintentional Release 400
Intentional Release 13766
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Shutdown Due Accident Ind Yes
Shutdown Datetime 2012-08-15 11:45:00
Restart Datetime 2012-08-17 18:00:00
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Incident Identified Datetime 2012-08-13 08:15:00
On Site Datetime 2012-08-13 10:00:00
On Off Shore Offshore
Off Water Depth 195
Off Accident Origin On The Outer Continental Shelf (Ocs)
Off Ocs Area West Cameron
Off Ocs Block 549
Off Area Accident Type Below Water, Pipe Buried Or Jetted Below Seabed
Pipe Facility Type Interstate
System Part Involved Offshore Pipeline, Including Riser And Riser Bend
Item Involved Pipe
Pipe Type Pipe Body
Pipe Diameter 20
Pipe Wall Thickness 0.406
Pipe Smys 52000
Pipe Specification Api-5l X-52
Pipe Seam Type Seamless
Pipe Manufacturer Us Steel
Pipe Coating Type Other
Pipe Coating Details Concrete And Somastic
Installation Year 1975
Manufactured Year 1975
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 524
Heat Damage Ind No
Non Heat Damage Ind No
Hca Fatalities Ind No
Est Cost Oper Paid 0
Est Cost Unintentional Release 1200
Est Cost Intentional Release 41298
Est Cost Prop Damage 600000
Est Cost Emergency 0
Est Cost Other 0
Prpty 642498
Accident Psig 858
Mop Psig 1440
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 106022
Internal Inspection Ind No
Other Inspection Ind Yes
Internal Inspection Details No Platform From Which To Launch/receive
Operation Complications Ind Yes
Other Complications Ind Yes
Inspect Comp Details No Platform From Which To Launch/receive
Pipeline Function Transmission System
Scada In Place Ind Yes
Scada Operating Ind Yes
Scada Functional Ind Yes
Scada Detection Ind No
Scada Conf Ind No
Accident Identifier Other
Accident Details Third Party Platform Operator Observation
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 The leak was too small to be identified by control room personnel. A review of operating records found abnormal operating conditions did not cause or contribute to this incident.
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 Localized Pitting
Int Microbiological Ind Yes
Int Field Exam Basis Ind Yes
Int Low Point Pipe Loc Ind Yes
Corrosion Inhibitors Yes
Corrosion Lining No
Cleaning Dewatering No
Corrosion Coupons Yes
Collected Data Ind No
Has Hydrtst Conduc Before Ind No
Direct Asmnt Conducted No
Non Destructive Exam Ind No
Preparer Name D***** T**********
Preparer Title Senior Technical Advisor
Preparer Email D************@s************.com
Preparer Telephone 713-627-5573
Preparer Fax 713-386-4468
Authorizer Name R*** K*****
Authorizer Title Director Of Operational Compliance
Authorizer Telephone 713-627-6388
Authorizer Email R*******@s************.com
Narrative Indications of bubbles on the water surface in west cameron 549 were reported by a platform operator on august 13, 2012. Upon investigation it was determined the leak was caused by a pinhole leak resulting from internal corrosion. A leak clamp was installed for permanenet repair.

All rights reserved. Copyright © by ClearPHMSA