GTG incident on 2014-11-17 — TX

Operator
Texas Eastern Transmission Lp (Spectra Energy Corp)
Cause
Other Outside Force Damage
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$2,000,000
Incident datetime
2014-11-17 07:30
Report number
Location
TX
Narrative
On the morning of november 17, 2014, a large barge was being pushed by a tug in 15 foot seas when the tug lost power. The tug could not regain power in a timely manner. An anchor was dropped which snagged texas eastern transmission lp's 16-inch line 41-a-5 natural gas transmission pipeline in east cameron block 321. The anchor completely severed the pipeline causing a substantial release of natural gas.
Detailed record list
Report Received Date
2014-12-12 00:00:00
Iyear
2014
Report Number
20140135
Supplemental Number
16676
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
2014-11-17 07:30:00
Location Latitude
Location Longitude
Nrc Rpt Num
Nrc Rpt Datetime
2014-11-17 07:45:00
Commodity Released Type
Natural Gas
Unintentional Release
223
Intentional Release
26800
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2014-11-17 08:47:00
Still Shutdown Ind
Yes
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
35
Incident Identified Datetime
2014-11-17 07:30:00
On Site Datetime
2014-11-17 09:05:00
On Off Shore
Offshore
Off Water Depth
200
Off Accident Origin
On The Outer Continental Shelf (Ocs)
Off Ocs Area
East Cameron
Off Ocs Block
321
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
16
Pipe Wall Thickness
0.375
Pipe Smys
52000
Pipe Specification
Api-5l X52
Pipe Seam Type
Seamless
Pipe Manufacturer
U.s. Steel
Pipe Coating Type
Other
Pipe Coating Details
Concrete And Somastic
Installation Year
1975
Manufactured Year
1975
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Line Severed By Barge Anchor
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
419
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
836
Est Cost Intentional Release
92460
Est Cost Prop Damage
2000000
Est Cost Emergency
0
Est Cost Other
0
Prpty
2093296
Accident Psig
680
Mop Psig
1440
Mop Cfr Section
192.619(A)(2)
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Length Segment Isolated
306398
Internal Inspection Ind
No
Other Restrictions Ind
Yes
Operation Complications Ind
Yes
Low Op Pressure Ind
Yes
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
Information about the event was received immediately upon occurrence by the nearby platform operator. Texas eastern pipeline was the only pipeline in the vicinity. Controller actions would not have impacted the company response.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Outside Force Damage
Cause Details
Routine Or Normal Fishing Or Other Maritime Activity Not Engaged In Excavation
Outside Force Type
Routine Or Normal Fishing Or Other Maritime Activity Not Engaged In Excavation
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
N***** A****
Authorizer Title
Manager Operational Compliance
Authorizer Telephone
713-627-5008
Authorizer Email
N******@s************.com
Narrative
On the morning of november 17, 2014, a large barge was being pushed by a tug in 15 foot seas when the tug lost power. The tug could not regain power in a timely manner. An anchor was dropped which snagged texas eastern transmission lp's 16-inch line 41-a-5 natural gas transmission pipeline in east cameron block 321. The anchor completely severed the pipeline causing a substantial release of natural gas.
Report Received Date 2014-12-12 00:00:00
Iyear 2014
Report Number 20140135
Supplemental Number 16676
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 2014-11-17 07:30:00
Location Latitude 28.5531666 Google Maps OpenStreetMap
Location Longitude -92.793333 Google Maps OpenStreetMap
Nrc Rpt Num 1101220 NRC Report How to search
Nrc Rpt Datetime 2014-11-17 07:45:00
Commodity Released Type Natural Gas
Unintentional Release 223
Intentional Release 26800
Accompanying Liquid 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Shutdown Due Accident Ind Yes
Shutdown Datetime 2014-11-17 08:47:00
Still Shutdown Ind Yes
Ignite Ind No
Explode Ind No
Num Pub Evacuated 35
Incident Identified Datetime 2014-11-17 07:30:00
On Site Datetime 2014-11-17 09:05:00
On Off Shore Offshore
Off Water Depth 200
Off Accident Origin On The Outer Continental Shelf (Ocs)
Off Ocs Area East Cameron
Off Ocs Block 321
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 16
Pipe Wall Thickness 0.375
Pipe Smys 52000
Pipe Specification Api-5l X52
Pipe Seam Type Seamless
Pipe Manufacturer U.s. Steel
Pipe Coating Type Other
Pipe Coating Details Concrete And Somastic
Installation Year 1975
Manufactured Year 1975
Material Involved Carbon Steel
Release Type Other
Release Type Details Line Severed By Barge Anchor
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 419
Heat Damage Ind No
Non Heat Damage Ind No
Hca Fatalities Ind No
Est Cost Oper Paid 0
Est Cost Unintentional Release 836
Est Cost Intentional Release 92460
Est Cost Prop Damage 2000000
Est Cost Emergency 0
Est Cost Other 0
Prpty 2093296
Accident Psig 680
Mop Psig 1440
Mop Cfr Section 192.619(A)(2) 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 306398
Internal Inspection Ind No
Other Restrictions Ind Yes
Operation Complications Ind Yes
Low Op Pressure Ind Yes
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 Information about the event was received immediately upon occurrence by the nearby platform operator. Texas eastern pipeline was the only pipeline in the vicinity. Controller actions would not have impacted the company response.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Other Outside Force Damage
Cause Details Routine Or Normal Fishing Or Other Maritime Activity Not Engaged In Excavation
Outside Force Type Routine Or Normal Fishing Or Other Maritime Activity Not Engaged In Excavation
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 N***** A****
Authorizer Title Manager Operational Compliance
Authorizer Telephone 713-627-5008
Authorizer Email N******@s************.com
Narrative On the morning of november 17, 2014, a large barge was being pushed by a tug in 15 foot seas when the tug lost power. The tug could not regain power in a timely manner. An anchor was dropped which snagged texas eastern transmission lp's 16-inch line 41-a-5 natural gas transmission pipeline in east cameron block 321. The anchor completely severed the pipeline causing a substantial release of natural gas.

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