GTG incident on 2017-06-09 — TX

Operator
Texas Eastern Transmission, Lp (Spectra Energy Partners, Lp)
Cause
Equipment Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$3,000
Incident datetime
2017-06-09 14:00
Report number
Location
TX
Narrative
On june 9, 2017 enbridge personnel were aboard the west cameron block 272 platform when a gas release was discovered at a 1/2-inch diameter zerk on a texas eastern transmission, lp 30-inch line 41 check valve. The cause of the leak was due to external corrosion in the threads on the zerk. Replacement of the zerk was performed and the pipeline was returned to service july 1, 2017.
Detailed record list
Report Received Date
2017-07-06 00:00:00
Iyear
2017
Report Number
20170054
Supplemental Number
17400
Report Type
Supplemental Final
Operator Id
Name
Texas Eastern Transmission, Lp (Spectra Energy Partners, Lp)
Operator Street Address
915 North Eldridge Parkway
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77079
Local Datetime
2017-06-09 14:00:00
Location Latitude
Location Longitude
Nrc Rpt Num
Nrc Rpt Datetime
2017-06-09 14:55:00
Commodity Released Type
Natural Gas
Unintentional Release
11400
Intentional Release
48500
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2017-06-09 14:00:00
Restart Datetime
2017-07-01 12:00:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2017-06-09 14:00:00
On Site Datetime
2017-06-09 14:00:00
On Off Shore
Offshore
Off Water Depth
80
Off Accident Origin
On The Outer Continental Shelf (Ocs)
Off Ocs Area
West Cameron
Off Ocs Block
272
Off Area Accident Type
Platform
Pipe Facility Type
Interstate
System Part Involved
Offshore Platform, Including Platform-Mounted Equipment And Piping
Item Involved
Valve
Valve Type
Auxiliary Or Other Valve
Installation Year
1978
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Seal Or Packing
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
786
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
34200
Est Cost Intentional Release
145500
Est Cost Prop Damage
3000
Est Cost Emergency
0
Est Cost Other
0
Prpty
182700
Accident Psig
900
Mop Psig
1440
Mop Cfr Section
192.619(A)(1)
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Pipeline Function
Transmission System
Scada In Place Ind
No
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
The valve grease zerk failure could not be attributed to control room actions.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Threaded Connection/coupling Failure
Eq Failure Type
Threaded Connection/coupling Failure
Other Stripped Ind
Other
Other Stripped Details
Grease Zerk
Eq Additional Other Ind
Yes
Eq Additional Other Details
External Corrosion In The Threading
Preparer Name
D***** T**********
Preparer Title
Senior Technical Advisor
Preparer Email
D*****************@e*******.com
Preparer Telephone
713-627-5573
Authorizer Name
N***** A****
Authorizer Title
Operational Compliance Supervisor
Authorizer Telephone
713-627-5008
Authorizer Email
N***********@e*******.com
Narrative
On june 9, 2017 enbridge personnel were aboard the west cameron block 272 platform when a gas release was discovered at a 1/2-inch diameter zerk on a texas eastern transmission, lp 30-inch line 41 check valve. The cause of the leak was due to external corrosion in the threads on the zerk. Replacement of the zerk was performed and the pipeline was returned to service july 1, 2017.
Report Received Date 2017-07-06 00:00:00
Iyear 2017
Report Number 20170054
Supplemental Number 17400
Report Type Supplemental Final
Operator Id 19235 PHMSA Enforcement
Name Texas Eastern Transmission, Lp (Spectra Energy Partners, Lp)
Operator Street Address 915 North Eldridge Parkway
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77079
Local Datetime 2017-06-09 14:00:00
Location Latitude 28.9208333 Google Maps OpenStreetMap
Location Longitude -93.0316666 Google Maps OpenStreetMap
Nrc Rpt Num 1180720 NRC Report How to search
Nrc Rpt Datetime 2017-06-09 14:55:00
Commodity Released Type Natural Gas
Unintentional Release 11400
Intentional Release 48500
Accompanying Liquid 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Shutdown Due Accident Ind Yes
Shutdown Datetime 2017-06-09 14:00:00
Restart Datetime 2017-07-01 12:00:00
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Incident Identified Datetime 2017-06-09 14:00:00
On Site Datetime 2017-06-09 14:00:00
On Off Shore Offshore
Off Water Depth 80
Off Accident Origin On The Outer Continental Shelf (Ocs)
Off Ocs Area West Cameron
Off Ocs Block 272
Off Area Accident Type Platform
Pipe Facility Type Interstate
System Part Involved Offshore Platform, Including Platform-Mounted Equipment And Piping
Item Involved Valve
Valve Type Auxiliary Or Other Valve
Installation Year 1978
Material Involved Carbon Steel
Release Type Leak
Leak Type Seal Or Packing
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 786
Heat Damage Ind No
Non Heat Damage Ind No
Hca Fatalities Ind No
Est Cost Oper Paid 0
Est Cost Unintentional Release 34200
Est Cost Intentional Release 145500
Est Cost Prop Damage 3000
Est Cost Emergency 0
Est Cost Other 0
Prpty 182700
Accident Psig 900
Mop Psig 1440
Mop Cfr Section 192.619(A)(1) View CFR 49 §192
Accident Pressure Pressure Did Not Exceed Maop
Pressure Restriction Ind No
Pipeline Function Transmission System
Scada In Place Ind No
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 The valve grease zerk failure could not be attributed to control room actions.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Equipment Failure
Cause Details Threaded Connection/coupling Failure
Eq Failure Type Threaded Connection/coupling Failure
Other Stripped Ind Other
Other Stripped Details Grease Zerk
Eq Additional Other Ind Yes
Eq Additional Other Details External Corrosion In The Threading
Preparer Name D***** T**********
Preparer Title Senior Technical Advisor
Preparer Email D*****************@e*******.com
Preparer Telephone 713-627-5573
Authorizer Name N***** A****
Authorizer Title Operational Compliance Supervisor
Authorizer Telephone 713-627-5008
Authorizer Email N***********@e*******.com
Narrative On june 9, 2017 enbridge personnel were aboard the west cameron block 272 platform when a gas release was discovered at a 1/2-inch diameter zerk on a texas eastern transmission, lp 30-inch line 41 check valve. The cause of the leak was due to external corrosion in the threads on the zerk. Replacement of the zerk was performed and the pipeline was returned to service july 1, 2017.

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