GTG incident on 2015-08-20 — TX

Operator
Sea Robin Pipeline Co
Cause
Corrosion Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$200,000
Incident datetime
2015-08-20 12:00
Report number
Location
TX
Narrative
At approximately 9:30 am on 8/18/2015, gas control received a call from the united states coast guard reporting seeing bubbles in the area near a sea robin pipeline in the south timbalier 189 area. The nrc was notified (nrc # 1125967), at 9:30 am on 8/18/15 of a possible leak. We were able to make a flight on 8/18/15 and based on the coordinates for the leak, we shut down the pipeline at 10:30 am on 8/21/15. It took 2 days to get the dsv on site due to weather. The pipeline was repaired and restarted at 2:30 am on 9/1/2015.
Detailed record list
Report Received Date
2015-09-17 00:00:00
Iyear
2015
Report Number
20150113
Supplemental Number
16860
Report Type
Original Final
Operator Id
Name
Sea Robin Pipeline Co
Operator Street Address
1300 Main Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2015-08-18 09:30:00
Location Latitude
Location Longitude
Nrc Rpt Num
Nrc Rpt Datetime
2015-08-18 09:30:00
Commodity Released Type
Natural Gas
Unintentional Release
6881
Intentional Release
1940
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2015-08-21 10:30:00
Restart Datetime
2015-09-01 02:30:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2015-08-20 12:00:00
On Site Datetime
2015-08-20 08:00:00
On Off Shore
Offshore
Off Water Depth
80
Off Accident Origin
On The Outer Continental Shelf (Ocs)
Off Ocs Area
Ship Shoal
Off Ocs Block
189
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
10
Pipe Wall Thickness
0.365
Pipe Smys
52000
Pipe Specification
Api 5lx
Pipe Seam Type
Longitudinal Erw - Unknown Frequency
Pipe Manufacturer
Jones & Laughlin
Pipe Coating Type
Coal Tar
Installation Year
1972
Manufactured Year
1972
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
239
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
19060
Est Cost Intentional Release
5374
Est Cost Prop Damage
200000
Est Cost Emergency
0
Est Cost Other
0
Prpty
224434
Accident Psig
958
Mop Psig
1200
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
56911
Internal Inspection Ind
No
Diameter Change Ind
Yes
Operation Complications Ind
Yes
Low Flow 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
United States Coast Guard
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
Leak was too small for scada to detect.
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
Pinhole Leak
Int Other Corrosion Ind
Yes
Int Corrosion Type Details
Low Flow
Int Other Basis Ind
Yes
Int Corrosion Basis Details
Historical Data
Int Other Loc Ind
Yes
Corrosion Location Details
6 O'clock Position
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
Yes
Exm Handl Ultrasonic Rcnt Year
2015
Exm Handl Ultrasonic Rcnt Ind
Yes
Preparer Name
N***** H******
Preparer Title
Director - Regulatory Compliance
Preparer Email
N*************@e*************.com
Preparer Telephone
7138575479
Authorizer Name
N***** H******
Authorizer Title
Director - Regulatory Compliance
Authorizer Telephone
7138575479
Authorizer Email
N*************@e*************.com
Narrative
At approximately 9:30 am on 8/18/2015, gas control received a call from the united states coast guard reporting seeing bubbles in the area near a sea robin pipeline in the south timbalier 189 area. The nrc was notified (nrc # 1125967), at 9:30 am on 8/18/15 of a possible leak. We were able to make a flight on 8/18/15 and based on the coordinates for the leak, we shut down the pipeline at 10:30 am on 8/21/15. It took 2 days to get the dsv on site due to weather. The pipeline was repaired and restarted at 2:30 am on 9/1/2015.
Report Received Date 2015-09-17 00:00:00
Iyear 2015
Report Number 20150113
Supplemental Number 16860
Report Type Original Final
Operator Id 18152 PHMSA Enforcement
Name Sea Robin Pipeline Co
Operator Street Address 1300 Main Street
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Local Datetime 2015-08-18 09:30:00
Location Latitude 28.560694 Google Maps OpenStreetMap
Location Longitude -90.806411 Google Maps OpenStreetMap
Nrc Rpt Num 1125967 NRC Report How to search
Nrc Rpt Datetime 2015-08-18 09:30:00
Commodity Released Type Natural Gas
Unintentional Release 6881
Intentional Release 1940
Accompanying Liquid 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Shutdown Due Accident Ind Yes
Shutdown Datetime 2015-08-21 10:30:00
Restart Datetime 2015-09-01 02:30:00
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Incident Identified Datetime 2015-08-20 12:00:00
On Site Datetime 2015-08-20 08:00:00
On Off Shore Offshore
Off Water Depth 80
Off Accident Origin On The Outer Continental Shelf (Ocs)
Off Ocs Area Ship Shoal
Off Ocs Block 189
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 10
Pipe Wall Thickness 0.365
Pipe Smys 52000
Pipe Specification Api 5lx
Pipe Seam Type Longitudinal Erw - Unknown Frequency
Pipe Manufacturer Jones & Laughlin
Pipe Coating Type Coal Tar
Installation Year 1972
Manufactured Year 1972
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 239
Heat Damage Ind No
Non Heat Damage Ind No
Hca Fatalities Ind No
Est Cost Oper Paid 0
Est Cost Unintentional Release 19060
Est Cost Intentional Release 5374
Est Cost Prop Damage 200000
Est Cost Emergency 0
Est Cost Other 0
Prpty 224434
Accident Psig 958
Mop Psig 1200
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 56911
Internal Inspection Ind No
Diameter Change Ind Yes
Operation Complications Ind Yes
Low Flow 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 United States Coast Guard
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 Leak was too small for scada to detect.
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 Pinhole Leak
Int Other Corrosion Ind Yes
Int Corrosion Type Details Low Flow
Int Other Basis Ind Yes
Int Corrosion Basis Details Historical Data
Int Other Loc Ind Yes
Corrosion Location Details 6 O'clock Position
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 Yes
Exm Handl Ultrasonic Rcnt Year 2015
Exm Handl Ultrasonic Rcnt Ind Yes
Preparer Name N***** H******
Preparer Title Director - Regulatory Compliance
Preparer Email N*************@e*************.com
Preparer Telephone 7138575479
Authorizer Name N***** H******
Authorizer Title Director - Regulatory Compliance
Authorizer Telephone 7138575479
Authorizer Email N*************@e*************.com
Narrative At approximately 9:30 am on 8/18/2015, gas control received a call from the united states coast guard reporting seeing bubbles in the area near a sea robin pipeline in the south timbalier 189 area. The nrc was notified (nrc # 1125967), at 9:30 am on 8/18/15 of a possible leak. We were able to make a flight on 8/18/15 and based on the coordinates for the leak, we shut down the pipeline at 10:30 am on 8/21/15. It took 2 days to get the dsv on site due to weather. The pipeline was repaired and restarted at 2:30 am on 9/1/2015.

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