GTG incident on 2014-12-03 — TX

Operator
Sea Robin Pipeline Co
Cause
Corrosion Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$300,000
Incident datetime
2014-12-03 16:30
Report number
Location
TX
Narrative
At approximately 16:30 pm on 12/03/2014, gas control received a call from producer platform personnel at ankor's smi 27ja platform reporting seeing bubbles south of their facility in the smi 27 block. Weather prevented personnel to investigate overnight. The nrc was notified (nrc # 1102618), at 11:30 am on 12/04 of a possible leak. We were able to make a flight on 12/05 and based on the coordinates for the leak, we shut down the pipeline at 15:30 pm on 12/05/14. The pipeline was repaired and restarted at 21:30 pm on 12/12/14.
Detailed record list
Report Received Date
2014-12-31 00:00:00
Iyear
2014
Report Number
20140149
Supplemental Number
16605
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
2014-12-03 16:30:00
Location Latitude
Location Longitude
Nrc Rpt Num
Nrc Rpt Datetime
2014-12-04 11:30:00
Commodity Released Type
Natural Gas
Unintentional Release
4469
Intentional Release
29455
Accompanying Liquid
0.7
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2014-12-05 15:30:00
Restart Datetime
2014-12-12 21:30:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2014-12-03 16:30:00
On Site Datetime
2014-12-05 06:30:00
On Off Shore
Offshore
Off Water Depth
90
Off Accident Origin
On The Outer Continental Shelf (Ocs)
Off Ocs Area
South Marsh Island
Off Ocs Block
27
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
26
Pipe Wall Thickness
0.5
Pipe Smys
60000
Pipe Specification
Api 5lx
Pipe Seam Type
Longitudinal Erw - Unknown Frequency
Pipe Manufacturer
Saw Crispin (S.v.) Dunkerque, France
Pipe Coating Type
Other
Pipe Coating Details
Concrete With Somastic
Installation Year
1970
Manufactured Year
1970
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
634
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
15329
Est Cost Intentional Release
101031
Est Cost Prop Damage
300000
Est Cost Emergency
0
Est Cost Other
0
Prpty
416360
Accident Psig
852
Mop Psig
1250
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
122364
Internal Inspection Ind
No
Tight Mitered Ind
Yes
Operation Complications Ind
No
Pipeline Function
Transmission System
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
Yes
Accident Identifier
Other
Accident Details
Notification From Third Party Personnel On A Nearby Platform
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
Incident due to a small pinhole leak.
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
Leak Located At The 6 O'clock Position.
Corrosion Inhibitors
Yes
Corrosion Lining
No
Cleaning Dewatering
Yes
Corrosion Coupons
Yes
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
N***** H******
Preparer Title
Director - Regulatory Compliance
Preparer Telephone
7138575479
Authorizer Name
N***** H******
Authorizer Title
Director - Regulatory Compliance
Authorizer Telephone
7138575479
Authorizer Email
N*************@e*************.com
Narrative
At approximately 16:30 pm on 12/03/2014, gas control received a call from producer platform personnel at ankor's smi 27ja platform reporting seeing bubbles south of their facility in the smi 27 block. Weather prevented personnel to investigate overnight. The nrc was notified (nrc # 1102618), at 11:30 am on 12/04 of a possible leak. We were able to make a flight on 12/05 and based on the coordinates for the leak, we shut down the pipeline at 15:30 pm on 12/05/14. The pipeline was repaired and restarted at 21:30 pm on 12/12/14.
Report Received Date 2014-12-31 00:00:00
Iyear 2014
Report Number 20140149
Supplemental Number 16605
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 2014-12-03 16:30:00
Location Latitude 28.87892 Google Maps OpenStreetMap
Location Longitude -92.14027 Google Maps OpenStreetMap
Nrc Rpt Num 1102618 NRC Report How to search
Nrc Rpt Datetime 2014-12-04 11:30:00
Commodity Released Type Natural Gas
Unintentional Release 4469
Intentional Release 29455
Accompanying Liquid 0.7
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Shutdown Due Accident Ind Yes
Shutdown Datetime 2014-12-05 15:30:00
Restart Datetime 2014-12-12 21:30:00
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Incident Identified Datetime 2014-12-03 16:30:00
On Site Datetime 2014-12-05 06:30:00
On Off Shore Offshore
Off Water Depth 90
Off Accident Origin On The Outer Continental Shelf (Ocs)
Off Ocs Area South Marsh Island
Off Ocs Block 27
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 26
Pipe Wall Thickness 0.5
Pipe Smys 60000
Pipe Specification Api 5lx
Pipe Seam Type Longitudinal Erw - Unknown Frequency
Pipe Manufacturer Saw Crispin (S.v.) Dunkerque, France
Pipe Coating Type Other
Pipe Coating Details Concrete With Somastic
Installation Year 1970
Manufactured Year 1970
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 634
Heat Damage Ind No
Non Heat Damage Ind No
Hca Fatalities Ind No
Est Cost Oper Paid 0
Est Cost Unintentional Release 15329
Est Cost Intentional Release 101031
Est Cost Prop Damage 300000
Est Cost Emergency 0
Est Cost Other 0
Prpty 416360
Accident Psig 852
Mop Psig 1250
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 122364
Internal Inspection Ind No
Tight Mitered Ind Yes
Operation Complications Ind No
Pipeline Function Transmission System
Scada In Place Ind Yes
Scada Operating Ind Yes
Scada Functional Ind Yes
Scada Detection Ind No
Scada Conf Ind Yes
Accident Identifier Other
Accident Details Notification From Third Party Personnel On A Nearby Platform
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 Incident due to a small pinhole leak.
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 Leak Located At The 6 O'clock Position.
Corrosion Inhibitors Yes
Corrosion Lining No
Cleaning Dewatering Yes
Corrosion Coupons Yes
Collected Data Ind No
Has Hydrtst Conduc Before Ind No
Direct Asmnt Conducted No
Non Destructive Exam Ind No
Preparer Name N***** H******
Preparer Title Director - Regulatory Compliance
Preparer Telephone 7138575479
Authorizer Name N***** H******
Authorizer Title Director - Regulatory Compliance
Authorizer Telephone 7138575479
Authorizer Email N*************@e*************.com
Narrative At approximately 16:30 pm on 12/03/2014, gas control received a call from producer platform personnel at ankor's smi 27ja platform reporting seeing bubbles south of their facility in the smi 27 block. Weather prevented personnel to investigate overnight. The nrc was notified (nrc # 1102618), at 11:30 am on 12/04 of a possible leak. We were able to make a flight on 12/05 and based on the coordinates for the leak, we shut down the pipeline at 15:30 pm on 12/05/14. The pipeline was repaired and restarted at 21:30 pm on 12/12/14.

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