GTG incident on 2015-10-05 — TX

Operator
Targa Resources Operating Llc
Cause
Corrosion Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$492,000
Incident datetime
2015-10-05 16:12
Report number
Location
TX
Narrative
Targa received notification of a potential leak on a riser to the platform at st 131 on 10/5/2015. Targa responded and identified the leak as originating from targa's 8 inch pipeline riser. Targa classified the leak as a non-reportable incident because the volume of gas lost and cost of property damage and repair would not meet the level required to classify as an incident. Upon additional evaluation of the cost to repair, targa determined on october 9, 2015 that the cost to repair the pipeline would exceed $50,000 and reported the leak as an incident.
Detailed record list
Report Received Date
2015-11-04 00:00:00
Iyear
2015
Report Number
20150131
Supplemental Number
16917
Report Type
Supplemental Final
Operator Id
Name
Targa Resources Operating Llc
Operator Street Address
811 Louisiana St Suite 2100
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2015-10-09 09:30:00
Location Latitude
Location Longitude
Nrc Rpt Num
Nrc Rpt Datetime
2015-10-09 10:30:00
Commodity Released Type
Natural Gas
Unintentional Release
400
Intentional Release
10
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2015-10-05 13:00:00
Restart Datetime
2015-11-10 09:00:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2015-10-05 16:12:00
On Site Datetime
2015-10-05 16:12:00
On Off Shore
Offshore
Off Water Depth
140
Off Accident Origin
On The Outer Continental Shelf (Ocs)
Off Ocs Area
South Timbalier
Off Ocs Block
131
Off Area Accident Type
Splash Zone Of Riser
Pipe Facility Type
Interstate
System Part Involved
Offshore Pipeline, Including Riser And Riser Bend
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
8.625
Pipe Wall Thickness
0.5
Pipe Smys
35000
Pipe Specification
Api 5l
Pipe Seam Type
Seamless
Pipe Manufacturer
Unknown
Pipe Coating Type
Composite
Installation Year
1977
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
170
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
30
Est Cost Prop Damage
492000
Est Cost Emergency
0
Est Cost Other
0
Prpty
493230
Accident Psig
820
Mop Psig
1440
Mop Cfr Section
192.619(A)(1)
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Length Segment Isolated
4500
Internal Inspection Ind
No
Diameter Change Ind
Yes
Tight Mitered Ind
Yes
Operation Complications Ind
Yes
Low Flow Ind
Yes
Pipeline Function
Offshore Gathering
Scada In Place Ind
No
Accident Identifier
Other
Accident Details
Platform Operator Personnel Notified Company
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the incident
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
External Corrosion
Internal External
External Corrosion
Visual Exam Results
Localized Pitting
Atmosphere Corrosion Ind
Yes
Field Exam Basis Ind
Yes
Underground Location
No
Externally Coated
Yes
Prior Damage
No
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
T** H*****
Preparer Title
Manager Regulatory Compliance
Preparer Email
T******@t************.com
Preparer Telephone
(337) 583-4642
Preparer Fax
3375834630
Authorizer Name
T** H*****
Authorizer Title
Manager Regulatory Compliance
Authorizer Telephone
(337) 583-4642
Authorizer Email
T******@t*************.com
Narrative
Targa received notification of a potential leak on a riser to the platform at st 131 on 10/5/2015. Targa responded and identified the leak as originating from targa's 8 inch pipeline riser. Targa classified the leak as a non-reportable incident because the volume of gas lost and cost of property damage and repair would not meet the level required to classify as an incident. Upon additional evaluation of the cost to repair, targa determined on october 9, 2015 that the cost to repair the pipeline would exceed $50,000 and reported the leak as an incident.
Report Received Date 2015-11-04 00:00:00
Iyear 2015
Report Number 20150131
Supplemental Number 16917
Report Type Supplemental Final
Operator Id 32296 PHMSA Enforcement
Name Targa Resources Operating Llc
Operator Street Address 811 Louisiana St Suite 2100
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Local Datetime 2015-10-09 09:30:00
Location Latitude 28.67305 Google Maps OpenStreetMap
Location Longitude -90.156814 Google Maps OpenStreetMap
Nrc Rpt Num 1130473 NRC Report How to search
Nrc Rpt Datetime 2015-10-09 10:30:00
Commodity Released Type Natural Gas
Unintentional Release 400
Intentional Release 10
Accompanying Liquid 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Shutdown Due Accident Ind Yes
Shutdown Datetime 2015-10-05 13:00:00
Restart Datetime 2015-11-10 09:00:00
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Incident Identified Datetime 2015-10-05 16:12:00
On Site Datetime 2015-10-05 16:12:00
On Off Shore Offshore
Off Water Depth 140
Off Accident Origin On The Outer Continental Shelf (Ocs)
Off Ocs Area South Timbalier
Off Ocs Block 131
Off Area Accident Type Splash Zone Of Riser
Pipe Facility Type Interstate
System Part Involved Offshore Pipeline, Including Riser And Riser Bend
Item Involved Pipe
Pipe Type Pipe Body
Pipe Diameter 8.625
Pipe Wall Thickness 0.5
Pipe Smys 35000
Pipe Specification Api 5l
Pipe Seam Type Seamless
Pipe Manufacturer Unknown
Pipe Coating Type Composite
Installation Year 1977
Manufactured Year Unknown
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 170
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 30
Est Cost Prop Damage 492000
Est Cost Emergency 0
Est Cost Other 0
Prpty 493230
Accident Psig 820
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
Upstream Valve Type Ind Manual
Downstream Valve Type Ind Manual
Length Segment Isolated 4500
Internal Inspection Ind No
Diameter Change Ind Yes
Tight Mitered Ind Yes
Operation Complications Ind Yes
Low Flow Ind Yes
Pipeline Function Offshore Gathering
Scada In Place Ind No
Accident Identifier Other
Accident Details Platform Operator Personnel Notified Company
Investigation Status No, the facility was not monitored by a controller(s) at the time of the incident
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Corrosion Failure
Cause Details External Corrosion
Internal External External Corrosion
Visual Exam Results Localized Pitting
Atmosphere Corrosion Ind Yes
Field Exam Basis Ind Yes
Underground Location No
Externally Coated Yes
Prior Damage No
Collected Data Ind No
Has Hydrtst Conduc Before Ind No
Direct Asmnt Conducted No
Non Destructive Exam Ind No
Preparer Name T** H*****
Preparer Title Manager Regulatory Compliance
Preparer Email T******@t************.com
Preparer Telephone (337) 583-4642
Preparer Fax 3375834630
Authorizer Name T** H*****
Authorizer Title Manager Regulatory Compliance
Authorizer Telephone (337) 583-4642
Authorizer Email T******@t*************.com
Narrative Targa received notification of a potential leak on a riser to the platform at st 131 on 10/5/2015. Targa responded and identified the leak as originating from targa's 8 inch pipeline riser. Targa classified the leak as a non-reportable incident because the volume of gas lost and cost of property damage and repair would not meet the level required to classify as an incident. Upon additional evaluation of the cost to repair, targa determined on october 9, 2015 that the cost to repair the pipeline would exceed $50,000 and reported the leak as an incident.

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