GTG incident on 2011-07-29 — TX

Operator
Targa Resources Operating Lp
Cause
Corrosion Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$225,000
Incident datetime
2011-07-29 17:30
Report number
Location
TX
Narrative
On july 29th, 2011, targa resources received notice of gas leak offshore venice, louisiana near the area of targa's offshore pipeline. Helicopter fly-over by targa personnel that day confirmed leaking pipeline was a targa operated pipeline. No-sheen found on the water coming from the leak. Steps were intitiated to reduce pressure in the pipeline for repair process and to source equipment and personnel to complete repair procedure. Repairs were completed on7/31/2011 by installation of repair clamp. Cause of leak was a pin-hole due to internal corrosion.
Detailed record list
Report Received Date
2011-08-25 00:00:00
Iyear
2011
Report Number
20110311
Supplemental Number
15434
Report Type
Supplemental Final
Operator Id
Name
Targa Resources Operating Lp
Operator Street Address
811 Louisiana St Suite 2100
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2011-07-29 12:15:00
Location Latitude
Location Longitude
Nrc Rpt Num
Nrc Rpt Datetime
2011-07-29 13:40:00
Commodity Released Type
Natural Gas
Unintentional Release
2000
Intentional Release
4000
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2011-07-29 17:30:00
Restart Datetime
2011-07-31 18:00:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2011-07-29 17:30:00
On Site Datetime
2011-07-31 14:30:00
On Off Shore
Offshore
Off Water Depth
25
Off Accident Origin
In State Waters
Offshore State Abbreviation
La
Off Instate Area
West Delta
Off Instate Block
26
Offshore County Name
Plaquemine
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
22
Pipe Wall Thickness
0.5
Pipe Smys
52000
Pipe Specification
Api 5l
Pipe Seam Type
Longitudinal Erw - Unknown Frequency
Pipe Manufacturer
Unknown
Pipe Coating Type
Coal Tar
Installation Year
1969
Manufactured Year
1969
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
464
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
9000
Est Cost Intentional Release
18000
Est Cost Prop Damage
225000
Est Cost Emergency
1000
Est Cost Other
0
Prpty
253000
Accident Psig
920
Mop Psig
1182
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
107749
Internal Inspection Ind
Yes
Operation Complications Ind
No
Pipeline Function
Type A Gathering
Scada In Place Ind
No
Accident Identifier
Notification From Public
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
Internal Corrosion
Internal External
Internal Corrosion
Int Visual Exam Results
Localized Pitting
Int Microbiological Ind
Yes
Int Field Exam Basis Ind
Yes
Int Low Point Pipe Loc Ind
Yes
Corrosion Inhibitors
Yes
Corrosion Lining
No
Cleaning Dewatering
No
Corrosion Coupons
No
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Axial Recent Year
1995
Has Hydrtst Conduc Before Ind
Yes
Hydrtst Most Rcnt Year
1969
Hydrtst Most Rcnt Pressure
2128
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
337-583-4630
Authorizer Name
T** H*****
Authorizer Title
Manager Regulatory Compliance
Authorizer Telephone
337-583-4642
Authorizer Email
T******@t*************.com
Narrative
On july 29th, 2011, targa resources received notice of gas leak offshore venice, louisiana near the area of targa's offshore pipeline. Helicopter fly-over by targa personnel that day confirmed leaking pipeline was a targa operated pipeline. No-sheen found on the water coming from the leak. Steps were intitiated to reduce pressure in the pipeline for repair process and to source equipment and personnel to complete repair procedure. Repairs were completed on7/31/2011 by installation of repair clamp. Cause of leak was a pin-hole due to internal corrosion.
Report Received Date 2011-08-25 00:00:00
Iyear 2011
Report Number 20110311
Supplemental Number 15434
Report Type Supplemental Final
Operator Id 32296 PHMSA Enforcement
Name Targa Resources Operating Lp
Operator Street Address 811 Louisiana St Suite 2100
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Local Datetime 2011-07-29 12:15:00
Location Latitude 29.14637 Google Maps OpenStreetMap
Location Longitude -89.48342 Google Maps OpenStreetMap
Nrc Rpt Num 984257 NRC Report How to search
Nrc Rpt Datetime 2011-07-29 13:40:00
Commodity Released Type Natural Gas
Unintentional Release 2000
Intentional Release 4000
Accompanying Liquid 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Shutdown Due Accident Ind Yes
Shutdown Datetime 2011-07-29 17:30:00
Restart Datetime 2011-07-31 18:00:00
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Incident Identified Datetime 2011-07-29 17:30:00
On Site Datetime 2011-07-31 14:30:00
On Off Shore Offshore
Off Water Depth 25
Off Accident Origin In State Waters
Offshore State Abbreviation La
Off Instate Area West Delta
Off Instate Block 26
Offshore County Name Plaquemine
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 22
Pipe Wall Thickness 0.5
Pipe Smys 52000
Pipe Specification Api 5l
Pipe Seam Type Longitudinal Erw - Unknown Frequency
Pipe Manufacturer Unknown
Pipe Coating Type Coal Tar
Installation Year 1969
Manufactured Year 1969
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 464
Heat Damage Ind No
Non Heat Damage Ind No
Hca Fatalities Ind No
Est Cost Oper Paid 0
Est Cost Unintentional Release 9000
Est Cost Intentional Release 18000
Est Cost Prop Damage 225000
Est Cost Emergency 1000
Est Cost Other 0
Prpty 253000
Accident Psig 920
Mop Psig 1182
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 107749
Internal Inspection Ind Yes
Operation Complications Ind No
Pipeline Function Type A Gathering
Scada In Place Ind No
Accident Identifier Notification From Public
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 Internal Corrosion
Internal External Internal Corrosion
Int Visual Exam Results Localized Pitting
Int Microbiological Ind Yes
Int Field Exam Basis Ind Yes
Int Low Point Pipe Loc Ind Yes
Corrosion Inhibitors Yes
Corrosion Lining No
Cleaning Dewatering No
Corrosion Coupons No
Collected Data Ind Yes
Axial Magnetic Flx Lkg Ind Yes
Axial Recent Year 1995
Has Hydrtst Conduc Before Ind Yes
Hydrtst Most Rcnt Year 1969
Hydrtst Most Rcnt Pressure 2128
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 337-583-4630
Authorizer Name T** H*****
Authorizer Title Manager Regulatory Compliance
Authorizer Telephone 337-583-4642
Authorizer Email T******@t*************.com
Narrative On july 29th, 2011, targa resources received notice of gas leak offshore venice, louisiana near the area of targa's offshore pipeline. Helicopter fly-over by targa personnel that day confirmed leaking pipeline was a targa operated pipeline. No-sheen found on the water coming from the leak. Steps were intitiated to reduce pressure in the pipeline for repair process and to source equipment and personnel to complete repair procedure. Repairs were completed on7/31/2011 by installation of repair clamp. Cause of leak was a pin-hole due to internal corrosion.

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