GTG incident on 2015-09-09 — TX

Operator
El Paso Natural Gas Co
Cause
Notification Issue
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$28,407
Incident datetime
2015-09-09 14:30
Report number
Location
TX
Narrative
On september 9, 2015 kinder morgan (km) operations personnel received a call of a possible line strike on epng 2125 line from atmos. The line 2125 is located near farwell, texas in parmer county, texas. Km operations specialist at station 169 (hereford) received a call (2:30 pm-local time) from an atmos employee stating that he thought our epng line had been struck. Km ops dispatched three (3) operation specialists to the alleged line strike site to verify the line strike. There were visible signs around the vicinity. The km specialist, who arrived on site, confirmed that the 8" epng 2125 line had been struck and was venting gas. His time of arrival at the scene was 3:30 pm local time. Km discovered that the pipeline had gouge in it and learned that a county road maintainer was digging a bar ditch for the local farmer and accidentally struck the line. Mainline valves 6 and 7 were closed to isolate the line and immediately started repairs and all repair work concluded on 9/10/15 at 8:50 pm. The control room for epng received an alarm on the epng scada system and immediately started working with our field measurement technician to troubleshoot the root cause of the alarm. Given the remote location of the site, it took our field km personnel some time to arrive on site and confirm that our epng line was struck and releasing gas. Upon confirmation of the line strike and release of gas, km personnel immediately started isolating the line segment affected by a 3rd party line strike.
Detailed record list
Report Received Date
2015-10-07 00:00:00
Iyear
2015
Report Number
20150119
Supplemental Number
17527
Report Type
Supplemental Final
Operator Id
Name
El Paso Natural Gas Co
Operator Street Address
1001 Louisiana St, Ste 1000
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002-5089
Local Datetime
2015-09-09 14:30:00
Location Latitude
Location Longitude
Nrc Rpt Num
Nrc Rpt Datetime
2015-09-09 17:09:00
Commodity Released Type
Natural Gas
Unintentional Release
3550
Intentional Release
630
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2015-09-09 16:30:00
Restart Datetime
2015-09-10 20:50:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2015-09-09 14:30:00
On Site Datetime
2015-09-09 16:30:00
On Off Shore
Onshore
Onshore State Abbreviation
Tx
Onshore Postal Code
79325
Onshore City Name
Farwell
Onshore County Name
Parmer
Designated Location
Milepost
Designated Name
Mp 37+4500
Pipe Fac Name
Epng
Segment Name
Line 2125
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
42
Crossing
No
Pipe Facility Type
Interstate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
8
Pipe Wall Thickness
0.188
Pipe Smys
30000
Pipe Specification
Api 5l
Pipe Seam Type
Longitudinal Erw - Low Frequency
Pipe Manufacturer
Lone Star Steel
Pipe Coating Type
Coal Tar
Installation Year
1959
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Mechanical Puncture
Puncture Axial
2.4
Puncture Circum
2.4
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
155
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
9727
Est Cost Intentional Release
1726
Est Cost Prop Damage
28407
Est Cost Emergency
2780
Est Cost Other
0
Prpty
42640
Accident Psig
539
Mop Psig
793
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
62574
Internal Inspection 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
Yes
Scada Conf Ind
Yes
Accident Identifier
Notification From Public
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
Gas control did not contribute to incident.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Excavation Damage
Cause Details
Excavation Damage By Third Party
Ex Party Type
Excavation Damage By Third Party
Prior Notification Ind
No
Notify Cga Dirt
Yes
Private Row Ind
Yes
Private Subtype
Private Landowner
Excavator Type
County
Excavator Equipment
Grader/scraper
Work Performed
Grading
One Call Notified Ind
No
Service Interruption
Yes
Service Interruption Hours
28
Root Cause Category
Notification Issue
Root Cause Type
No Notification Made To The One-Call Center/811
Preparer Name
K**** B******
Preparer Title
Pipeline Engineer I-Compliance
Preparer Email
K************@k***********.com
Preparer Telephone
7134206633
Authorizer Name
R*** G*****
Authorizer Title
Director - Compliance - Codes And Standards
Authorizer Telephone
713-420-5433
Authorizer Email
R**********@k***********.com
Narrative
On september 9, 2015 kinder morgan (km) operations personnel received a call of a possible line strike on epng 2125 line from atmos. The line 2125 is located near farwell, texas in parmer county, texas. Km operations specialist at station 169 (hereford) received a call (2:30 pm-local time) from an atmos employee stating that he thought our epng line had been struck. Km ops dispatched three (3) operation specialists to the alleged line strike site to verify the line strike. There were visible signs around the vicinity. The km specialist, who arrived on site, confirmed that the 8" epng 2125 line had been struck and was venting gas. His time of arrival at the scene was 3:30 pm local time. Km discovered that the pipeline had gouge in it and learned that a county road maintainer was digging a bar ditch for the local farmer and accidentally struck the line. Mainline valves 6 and 7 were closed to isolate the line and immediately started repairs and all repair work concluded on 9/10/15 at 8:50 pm. The control room for epng received an alarm on the epng scada system and immediately started working with our field measurement technician to troubleshoot the root cause of the alarm. Given the remote location of the site, it took our field km personnel some time to arrive on site and confirm that our epng line was struck and releasing gas. Upon confirmation of the line strike and release of gas, km personnel immediately started isolating the line segment affected by a 3rd party line strike.
Report Received Date 2015-10-07 00:00:00
Iyear 2015
Report Number 20150119
Supplemental Number 17527
Report Type Supplemental Final
Operator Id 4280 PHMSA Enforcement
Name El Paso Natural Gas Co
Operator Street Address 1001 Louisiana St, Ste 1000
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002-5089
Local Datetime 2015-09-09 14:30:00
Location Latitude 34.36301 Google Maps OpenStreetMap
Location Longitude -102.97029 Google Maps OpenStreetMap
Nrc Rpt Num 1128021 NRC Report How to search
Nrc Rpt Datetime 2015-09-09 17:09:00
Commodity Released Type Natural Gas
Unintentional Release 3550
Intentional Release 630
Accompanying Liquid 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Shutdown Due Accident Ind Yes
Shutdown Datetime 2015-09-09 16:30:00
Restart Datetime 2015-09-10 20:50:00
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Incident Identified Datetime 2015-09-09 14:30:00
On Site Datetime 2015-09-09 16:30:00
On Off Shore Onshore
Onshore State Abbreviation Tx
Onshore Postal Code 79325
Onshore City Name Farwell
Onshore County Name Parmer
Designated Location Milepost
Designated Name Mp 37+4500
Pipe Fac Name Epng
Segment Name Line 2125
Federal No
Location Type Pipeline Right-Of-Way
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 42
Crossing No
Pipe Facility Type Interstate
System Part Involved Onshore Pipeline, Including Valve Sites
Item Involved Pipe
Pipe Type Pipe Body
Pipe Diameter 8
Pipe Wall Thickness 0.188
Pipe Smys 30000
Pipe Specification Api 5l
Pipe Seam Type Longitudinal Erw - Low Frequency
Pipe Manufacturer Lone Star Steel
Pipe Coating Type Coal Tar
Installation Year 1959
Manufactured Year Unknown
Material Involved Carbon Steel
Release Type Mechanical Puncture
Puncture Axial 2.4
Puncture Circum 2.4
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 155
Heat Damage Ind No
Non Heat Damage Ind No
Hca Fatalities Ind No
Est Cost Oper Paid 0
Est Cost Unintentional Release 9727
Est Cost Intentional Release 1726
Est Cost Prop Damage 28407
Est Cost Emergency 2780
Est Cost Other 0
Prpty 42640
Accident Psig 539
Mop Psig 793
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 62574
Internal Inspection 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 Yes
Scada Conf Ind Yes
Accident Identifier Notification From Public
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 Gas control did not contribute to incident.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Excavation Damage
Cause Details Excavation Damage By Third Party
Ex Party Type Excavation Damage By Third Party
Prior Notification Ind No
Notify Cga Dirt Yes
Private Row Ind Yes
Private Subtype Private Landowner
Excavator Type County
Excavator Equipment Grader/scraper
Work Performed Grading
One Call Notified Ind No
Service Interruption Yes
Service Interruption Hours 28
Root Cause Category Notification Issue
Root Cause Type No Notification Made To The One-Call Center/811
Preparer Name K**** B******
Preparer Title Pipeline Engineer I-Compliance
Preparer Email K************@k***********.com
Preparer Telephone 7134206633
Authorizer Name R*** G*****
Authorizer Title Director - Compliance - Codes And Standards
Authorizer Telephone 713-420-5433
Authorizer Email R**********@k***********.com
Narrative On september 9, 2015 kinder morgan (km) operations personnel received a call of a possible line strike on epng 2125 line from atmos. The line 2125 is located near farwell, texas in parmer county, texas. Km operations specialist at station 169 (hereford) received a call (2:30 pm-local time) from an atmos employee stating that he thought our epng line had been struck. Km ops dispatched three (3) operation specialists to the alleged line strike site to verify the line strike. There were visible signs around the vicinity. The km specialist, who arrived on site, confirmed that the 8" epng 2125 line had been struck and was venting gas. His time of arrival at the scene was 3:30 pm local time. Km discovered that the pipeline had gouge in it and learned that a county road maintainer was digging a bar ditch for the local farmer and accidentally struck the line. Mainline valves 6 and 7 were closed to isolate the line and immediately started repairs and all repair work concluded on 9/10/15 at 8:50 pm. The control room for epng received an alarm on the epng scada system and immediately started working with our field measurement technician to troubleshoot the root cause of the alarm. Given the remote location of the site, it took our field km personnel some time to arrive on site and confirm that our epng line was struck and releasing gas. Upon confirmation of the line strike and release of gas, km personnel immediately started isolating the line segment affected by a 3rd party line strike.

All rights reserved. Copyright © by ClearPHMSA