GTG incident on 2015-09-17 — TX

Operator
Kinetica Energy Express Llc
Cause
Corrosion Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$250,000
Incident datetime
2015-09-17 17:45
Report number
Location
TX
Narrative
On 9/17, fieldwood field supply boat observed a leak on kinetica's wc 68cg platform. Kinetica personnel dispatched and confirmed leak on the 20" riser at the +3' elevation. Kinetica personnel closed block valve on the platform to isolate leak from all production. Kinetica land personnel dispatched to close block valve located onshore to completely isolate pipeline. Kinetica began obtaining necessary blowdown/flare equipment in order to evacuate pressure from line. On 9/23, while equipment was being set up to prepare for evacuation of line, condensate began to mist from the leak location causing a slight silvery sheen. Blowdown/flaring of gas from the line began at noon on 9/23 (675psig). Misting and sheen continued until pressure was reduced to 78psig on the morning of 9/24. Jack-up boat and divers were located and dispatched to wc 68cg platform to evaluate leak. Due to location of leak at the +3' elevation on riser, work had to be performed during periods of calm seas. On 10/10, kinetica contractor completed the repair. On 10/11, pipeline was pressured-up to 300psig. Kinetica personnel discovered repair location was leaking. Block valve on platform was closed to once again isolate production. Pipeline evacuated of pressure. Vessel and contractor located and dispatched to location to initiate repairs. Supplemental report will be prepared and submitted upon completion of repair and placement of pipeline back into service.
Detailed record list
Report Received Date
2015-10-16 00:00:00
Iyear
2015
Report Number
20150125
Supplemental Number
16937
Report Type
Supplemental Final
Operator Id
38987
PHMSA Enforcement
Name
Kinetica Energy Express Llc
Operator Street Address
1001 Mckinney Street, Suite 900
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2015-09-17 17:45:00
Location Latitude
29.632371
Google Maps OpenStreetMap
Location Longitude
-93.038343
Google Maps OpenStreetMap
Nrc Rpt Num
1128765
NRC Report How to search
Nrc Rpt Datetime
2015-09-17 18:30:00
Commodity Released Type
Natural Gas
Unintentional Release
260
Intentional Release
6900
Accompanying Liquid
0.1
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2015-09-17 18:53:00
Restart Datetime
2015-11-04 16:30:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2015-09-17 17:45:00
On Site Datetime
2015-09-17 18:15:00
On Off Shore
Offshore
Off Water Depth
33
Off Accident Origin
On The Outer Continental Shelf (Ocs)
Off Ocs Area
West Cameron
Off Ocs Block
68
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
20
Pipe Wall Thickness
0.5
Pipe Smys
42000
Pipe Specification
X-42
Pipe Seam Type
Dsaw
Pipe Manufacturer
National Tube
Pipe Coating Type
Other
Pipe Coating Details
Concrete Coating On Sub-Sea Riser Through Splash Zone
Installation Year
1970
Manufactured Year
1962
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
660
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
650
Est Cost Intentional Release
17250
Est Cost Prop Damage
250000
Est Cost Emergency
3000
Est Cost Other
50000
Est Cost Other Details
Blowdown/flare Equipment
Prpty
320900
Accident Psig
726
Mop Psig
999
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
69484
Internal Inspection Ind
No
Tight Mitered Ind
Yes
Operation Complications Ind
Yes
Other Complications Ind
Yes
Inspect Comp Details
Tool Will Not Fit In Launcher
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
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
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
Pipeline was operating well below mop/maop.
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
Metallurgical Basis Ind
Yes
Underground Location
No
Externally Coated
Yes
Prior Damage
Yes
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
K*** C*******
Preparer Title
Sr. Director
Preparer Email
K************@k**********.com
Preparer Telephone
985-209-2283
Authorizer Name
K*** C*******
Authorizer Title
Sr. Director
Authorizer Telephone
985-209-2283
Authorizer Email
K************@k**********.com
Narrative
On 9/17, fieldwood field supply boat observed a leak on kinetica's wc 68cg platform. Kinetica personnel dispatched and confirmed leak on the 20" riser at the +3' elevation. Kinetica personnel closed block valve on the platform to isolate leak from all production. Kinetica land personnel dispatched to close block valve located onshore to completely isolate pipeline. Kinetica began obtaining necessary blowdown/flare equipment in order to evacuate pressure from line. On 9/23, while equipment was being set up to prepare for evacuation of line, condensate began to mist from the leak location causing a slight silvery sheen. Blowdown/flaring of gas from the line began at noon on 9/23 (675psig). Misting and sheen continued until pressure was reduced to 78psig on the morning of 9/24. Jack-up boat and divers were located and dispatched to wc 68cg platform to evaluate leak. Due to location of leak at the +3' elevation on riser, work had to be performed during periods of calm seas. On 10/10, kinetica contractor completed the repair. On 10/11, pipeline was pressured-up to 300psig. Kinetica personnel discovered repair location was leaking. Block valve on platform was closed to once again isolate production. Pipeline evacuated of pressure. Vessel and contractor located and dispatched to location to initiate repairs. Supplemental report will be prepared and submitted upon completion of repair and placement of pipeline back into service.
Report Received Date 2015-10-16 00:00:00
Iyear 2015
Report Number 20150125
Supplemental Number 16937
Report Type Supplemental Final
Operator Id 38987 PHMSA Enforcement
Name Kinetica Energy Express Llc
Operator Street Address 1001 Mckinney Street, Suite 900
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Local Datetime 2015-09-17 17:45:00
Location Latitude 29.632371 Google Maps OpenStreetMap
Location Longitude -93.038343 Google Maps OpenStreetMap
Nrc Rpt Num 1128765 NRC Report How to search
Nrc Rpt Datetime 2015-09-17 18:30:00
Commodity Released Type Natural Gas
Unintentional Release 260
Intentional Release 6900
Accompanying Liquid 0.1
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Shutdown Due Accident Ind Yes
Shutdown Datetime 2015-09-17 18:53:00
Restart Datetime 2015-11-04 16:30:00
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Incident Identified Datetime 2015-09-17 17:45:00
On Site Datetime 2015-09-17 18:15:00
On Off Shore Offshore
Off Water Depth 33
Off Accident Origin On The Outer Continental Shelf (Ocs)
Off Ocs Area West Cameron
Off Ocs Block 68
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 20
Pipe Wall Thickness 0.5
Pipe Smys 42000
Pipe Specification X-42
Pipe Seam Type Dsaw
Pipe Manufacturer National Tube
Pipe Coating Type Other
Pipe Coating Details Concrete Coating On Sub-Sea Riser Through Splash Zone
Installation Year 1970
Manufactured Year 1962
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 660
Heat Damage Ind No
Non Heat Damage Ind No
Hca Fatalities Ind No
Est Cost Oper Paid 0
Est Cost Unintentional Release 650
Est Cost Intentional Release 17250
Est Cost Prop Damage 250000
Est Cost Emergency 3000
Est Cost Other 50000
Est Cost Other Details Blowdown/flare Equipment
Prpty 320900
Accident Psig 726
Mop Psig 999
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 69484
Internal Inspection Ind No
Tight Mitered Ind Yes
Operation Complications Ind Yes
Other Complications Ind Yes
Inspect Comp Details Tool Will Not Fit In Launcher
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 Local Operating Personnel, Including Contractors
Operator Type Operator Employee
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 Pipeline was operating well below mop/maop.
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
Metallurgical Basis Ind Yes
Underground Location No
Externally Coated Yes
Prior Damage Yes
Collected Data Ind No
Has Hydrtst Conduc Before Ind No
Direct Asmnt Conducted No
Non Destructive Exam Ind No
Preparer Name K*** C*******
Preparer Title Sr. Director
Preparer Email K************@k**********.com
Preparer Telephone 985-209-2283
Authorizer Name K*** C*******
Authorizer Title Sr. Director
Authorizer Telephone 985-209-2283
Authorizer Email K************@k**********.com
Narrative On 9/17, fieldwood field supply boat observed a leak on kinetica's wc 68cg platform. Kinetica personnel dispatched and confirmed leak on the 20" riser at the +3' elevation. Kinetica personnel closed block valve on the platform to isolate leak from all production. Kinetica land personnel dispatched to close block valve located onshore to completely isolate pipeline. Kinetica began obtaining necessary blowdown/flare equipment in order to evacuate pressure from line. On 9/23, while equipment was being set up to prepare for evacuation of line, condensate began to mist from the leak location causing a slight silvery sheen. Blowdown/flaring of gas from the line began at noon on 9/23 (675psig). Misting and sheen continued until pressure was reduced to 78psig on the morning of 9/24. Jack-up boat and divers were located and dispatched to wc 68cg platform to evaluate leak. Due to location of leak at the +3' elevation on riser, work had to be performed during periods of calm seas. On 10/10, kinetica contractor completed the repair. On 10/11, pipeline was pressured-up to 300psig. Kinetica personnel discovered repair location was leaking. Block valve on platform was closed to once again isolate production. Pipeline evacuated of pressure. Vessel and contractor located and dispatched to location to initiate repairs. Supplemental report will be prepared and submitted upon completion of repair and placement of pipeline back into service.
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