GTG incident on 2017-04-18 — IN

Operator
Citizens Gas & Coke Utility
Cause
Incorrect Operation
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$0
Incident datetime
2017-04-18 17:30
Report number
Location
IN
Narrative
The evening of april 18, 2017, a contractor for citizens gas was performing maintenance on a natural gas well that is part of citizens' underground storage facilities near worthington, indiana. At approximately 5:30 p.M., the contractors fluid and gel plug that was set to temporarily contain the well pressure failed and gas began venting from the well. - citizens immediately implemented its well control contingency plan and began working with local fire, police and other agencies to take make-safe actions and to control the well and resume normal operations as quickly as possible. - as a precautionary measure to avoid any accidental ignition sources, eleven (11) nearby homes were evacuated and electric power was shut off to approximately 50 homes. Additionally, portions of state road 67 and local roads near the well site were closed temporarily. - by the evening of april 19, steps were taken to reduce the flow from the well. A valve was installed bringing the well under control and normal, safe operations resumed. All residents that were evacuated from their homes were allowed to return and the local roads that were closed had reopened to traffic. Power has also been restored to all homes affected by the incident. - no injuries or fire occurred as a result of the incident. Nrc reference numbers 1) 1176036 - initial report 4/18/2017 @ 8:29pm 2) call made on 4/19/2017 @ ~6pm to notify that issue had been resolved (no reference number) 3) 1176216 - 48 hour follow-up 4/20/2017 @ 3:44pm -after action review held with external emergency responders and local authorities (5/19/2017) -root cause analysis report investigation complete (7/27/2017) -debriefing with state regulatory commission pipeline safety department (8/31/2017) -well remained out of service from april 2017 (post-incident) through may 2018 -approved plan from continued work to remove legacy tubing from well (4/10/2018) -removed old coil tubing; installed new tubing; successfully logged the well (may 2018) -well placed back in service (5/14/2018)
Detailed record list
Report Received Date
2017-05-18 00:00:00
Iyear
2017
Report Number
20170037
Supplemental Number
31350
Report Type
Supplemental Final
Operator Id
Name
Citizens Gas & Coke Utility
Operator Street Address
2020 N Meridian St
Operator City Name
Indianapolis
Operator State Abbreviation
IN
Operator Postal Code
469202
Local Datetime
2017-04-18 17:30:00
Location Latitude
Location Longitude
Nrc Rpt Num
Nrc Rpt Datetime
2017-04-18 20:29:00
Commodity Released Type
Natural Gas
Unintentional Release
41524
Intentional Release
2010
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
No
Shutdown Explain
Storage Well Blowout; Facilities Were Not In Use
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
20
Incident Identified Datetime
2017-04-18 17:30:00
On Site Datetime
2017-04-18 17:30:00
On Off Shore
Onshore
Onshore State Abbreviation
In
Onshore Postal Code
47465
Onshore City Name
Worthington
Onshore County Name
Greene County
Designated Location
Survey Station No.
Designated Name
Wellhead
Pipe Fac Name
Citizens Gas - Dixon Storage Field
Segment Name
Evans #4 Well
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Belowground Storage Or Aboveground Storage Vessel, Including Attached Appurtenance
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Belowground Storage, Including Associated Equipment And Piping
Item Involved
Underground Gas Storage Or Cavern
Installation Year
2017
Material Involved
Material Other Than Carbon Steel Or Plastic
Material Details
Temporary Liquid And Gel Plug
Release Type
Other
Release Type Details
Well Was Temporarily Killed With A Liquid And Gel Plug Well Kicked Liquid And Gel And Leaked
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
47
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
24474
Est Cost Unintentional Release
142098
Est Cost Intentional Release
6875
Est Cost Prop Damage
0
Est Cost Emergency
38473
Est Cost Other
65813
Est Cost Other Details
Local Emergency Response Escalation To Welll Blowout Contractor
Prpty
277733
Accident Psig
660
Mop Psig
750
Mop Cfr Section
192.619(A)(1)
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Pipeline Function
Transmission Line Of Distribution System
Scada In Place Ind
No
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
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
Incorrect Operation
Cause Details
Damage By Operator Or Operator's Contractor Not Related To Excavation And Not Due To Motorized Vehicle/equipment Damage
Operation Type
Damage By Operator Or Operator's Contractor Not Related To Excavation And Not Due To Motorized Vehicle/equipment Damage
Related Failure Follow Ind
Yes
Category Type
Other Maintenance
Operator Qualification Ind
No
Preparer Name
M****** W B******
Preparer Title
Director Gas Supply
Preparer Email
M*******@c******************.com
Preparer Telephone
3179276111
Preparer Fax
3179276111
Authorizer Name
C********** H B****
Authorizer Title
Vice President Of Energy Operations
Authorizer Telephone
3179274604
Authorizer Email
C*****@c******************.com
Narrative
T**********************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************@ ***********************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************
Report Received Date 2017-05-18 00:00:00
Iyear 2017
Report Number 20170037
Supplemental Number 31350
Report Type Supplemental Final
Operator Id 2392 PHMSA Enforcement
Name Citizens Gas & Coke Utility
Operator Street Address 2020 N Meridian St
Operator City Name Indianapolis
Operator State Abbreviation IN
Operator Postal Code 469202
Local Datetime 2017-04-18 17:30:00
Location Latitude 39.06654 Google Maps OpenStreetMap
Location Longitude -87.03437 Google Maps OpenStreetMap
Nrc Rpt Num 1176036 NRC Report How to search
Nrc Rpt Datetime 2017-04-18 20:29:00
Commodity Released Type Natural Gas
Unintentional Release 41524
Intentional Release 2010
Accompanying Liquid 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Shutdown Due Accident Ind No
Shutdown Explain Storage Well Blowout; Facilities Were Not In Use
Ignite Ind No
Explode Ind No
Num Pub Evacuated 20
Incident Identified Datetime 2017-04-18 17:30:00
On Site Datetime 2017-04-18 17:30:00
On Off Shore Onshore
Onshore State Abbreviation In
Onshore Postal Code 47465
Onshore City Name Worthington
Onshore County Name Greene County
Designated Location Survey Station No.
Designated Name Wellhead
Pipe Fac Name Citizens Gas - Dixon Storage Field
Segment Name Evans #4 Well
Federal No
Location Type Pipeline Right-Of-Way
Incident Area Type Belowground Storage Or Aboveground Storage Vessel, Including Attached Appurtenance
Crossing No
Pipe Facility Type Intrastate
System Part Involved Belowground Storage, Including Associated Equipment And Piping
Item Involved Underground Gas Storage Or Cavern
Installation Year 2017
Material Involved Material Other Than Carbon Steel Or Plastic
Material Details Temporary Liquid And Gel Plug
Release Type Other
Release Type Details Well Was Temporarily Killed With A Liquid And Gel Plug Well Kicked Liquid And Gel And Leaked
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 47
Heat Damage Ind No
Non Heat Damage Ind No
Hca Fatalities Ind No
Est Cost Oper Paid 24474
Est Cost Unintentional Release 142098
Est Cost Intentional Release 6875
Est Cost Prop Damage 0
Est Cost Emergency 38473
Est Cost Other 65813
Est Cost Other Details Local Emergency Response Escalation To Welll Blowout Contractor
Prpty 277733
Accident Psig 660
Mop Psig 750
Mop Cfr Section 192.619(A)(1) View CFR 49 §192
Accident Pressure Pressure Did Not Exceed Maop
Pressure Restriction Ind No
Pipeline Function Transmission Line Of Distribution System
Scada In Place Ind No
Accident Identifier Local Operating Personnel, Including Contractors
Operator Type Operator Employee
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 Incorrect Operation
Cause Details Damage By Operator Or Operator's Contractor Not Related To Excavation And Not Due To Motorized Vehicle/equipment Damage
Operation Type Damage By Operator Or Operator's Contractor Not Related To Excavation And Not Due To Motorized Vehicle/equipment Damage
Related Failure Follow Ind Yes
Category Type Other Maintenance
Operator Qualification Ind No
Preparer Name M****** W B******
Preparer Title Director Gas Supply
Preparer Email M*******@c******************.com
Preparer Telephone 3179276111
Preparer Fax 3179276111
Authorizer Name C********** H B****
Authorizer Title Vice President Of Energy Operations
Authorizer Telephone 3179274604
Authorizer Email C*****@c******************.com
Narrative T**********************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************@ ***********************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************

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