GTG incident on 2022-09-06 — TX

Operator
Midcoast Pipelines (East Texas), L.p.
Cause
Equipment Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$0
Incident datetime
2022-09-06 07:15
Report number
Location
TX
Narrative
Midcoast gc received a call 9/6/2022 @ 6:00 a.M. Concerning a "hissing" noise coming from our station. Gc dispatched on call operator to site @ 6:20 a.M. Operator arrived on site at 7:15 a.M. And discovered a nipple had failed casing the release, the operator shutdown compressor at 7:16 a.M. Midcoast operator isolated compressor and depressurized immediately. Midcoast operator put on a spare unit and repaired leak by installing a plug.
Detailed record list
Report Received Date
2022-10-03 00:00:00
Iyear
2022
Report Number
20220105
Supplemental Number
37215
Report Type
Supplemental Final
Operator Id
Name
Midcoast Pipelines (East Texas), L.p.
Operator Street Address
600 Travis Suite 5500
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2022-09-06 08:30:00
Time Zone
Central
Daylight Savings Ind
No
Location Latitude
Location Longitude
Nrc Rpt Num
Nrc Rpt Datetime
2022-09-06 08:53:00
Additional Nrc Report Numbers
1346709
Commodity Released Type
Natural Gas
Unintentional Release
18557.79
Intentional Release
0
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Status When Identified
Normal Operation, Includes Pauses During Maintenance
Shutdown Due Accident Ind
No
Shutdown Explain
Midcoast Was Able To Put On Spare Unit.
Communication State Fed Ind
No
Ignite Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2022-09-06 07:15:00
On Site Datetime
2022-09-06 07:15:00
On Off Shore
Onshore
Onshore State Abbreviation
Tx
Onshore Postal Code
75975
Onshore City Name
Timpson
Onshore County Name
Shelby
Designated Location
Not Applicable
Pipe Fac Name
Grand Oaks Station
Segment Name
Grand Oaks Station
Federal
No
Location Type
Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Onshore Compressor Station Equipment And Piping
Item Involved
Compressor
Installation Year
2008
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Other
Class Location Type
Class 1 Location
Could Be Hca
No
Not Flammable Ind
Not Flammable
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
154679
Est Cost Intentional Release
0
Est Cost Prop Damage
0
Est Cost Emergency
0
Est Cost Other
6
Est Cost Other Details
Installed Threeded Plug
Gas Cost In Mcf
8.335
Prpty
154685
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Wildlife Impact Ind
No
Accident Psig
820
Gas Flow In Pipe In Mcf
95000
Mop Psig
1440
Mop Cfr Section
192.619(A)(2)
Maop Established Date
2008-09-01 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Gas Required Odorized Ind
No
Pipeline Function
Type C Gathering
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
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
Initial response to investigation determined equipment failure locally
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Threaded Connection/coupling Failure
Eq Failure Type
Threaded Connection/coupling Failure
Other Stripped Ind
Pipe Nipple
Additional Vibration Ind
Yes
Eqf Threaded Coupling Ind
Yes
Preparer Name
B***** K****
Preparer Title
Gis Analyst
Preparer Email
B***********@m*************.com
Preparer Telephone
17138212072
Local Contact Name
B***** K****
Local Contact Email
B***********@m*************.com
Local Contact Telephone
17138212072
Authorizer Name
B***** K****
Authorizer Title
Gis Analyst
Authorizer Telephone
17138212072
Authorizer Email
B***********@m*************.com
Narrative
M************************************@ 6:00 a.M. Concerning a "hissing" noise coming from our station. Gc dispatched on call operator to site @ 6:20 a.M. Operator arrived on site at 7:15 a.M. And discovered a nipple had failed casing the release, the operator shutdown compressor at 7:16 a.M. Midcoast operator isolated compressor and depressurized immediately. *****************************************************************************.
Report Received Date 2022-10-03 00:00:00
Iyear 2022
Report Number 20220105
Supplemental Number 37215
Report Type Supplemental Final
Operator Id 31613 PHMSA Enforcement
Name Midcoast Pipelines (East Texas), L.p.
Operator Street Address 600 Travis Suite 5500
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Local Datetime 2022-09-06 08:30:00
Time Zone Central
Daylight Savings Ind No
Location Latitude 31.7639314 Google Maps OpenStreetMap
Location Longitude -94.4047525 Google Maps OpenStreetMap
Nrc Rpt Num 1346518 NRC Report How to search
Nrc Rpt Datetime 2022-09-06 08:53:00
Additional Nrc Report Numbers 1346709
Commodity Released Type Natural Gas
Unintentional Release 18557.79
Intentional Release 0
Accompanying Liquid 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Status When Identified Normal Operation, Includes Pauses During Maintenance
Shutdown Due Accident Ind No
Shutdown Explain Midcoast Was Able To Put On Spare Unit.
Communication State Fed Ind No
Ignite Ind No
Num Pub Evacuated 0
Incident Identified Datetime 2022-09-06 07:15:00
On Site Datetime 2022-09-06 07:15:00
On Off Shore Onshore
Onshore State Abbreviation Tx
Onshore Postal Code 75975
Onshore City Name Timpson
Onshore County Name Shelby
Designated Location Not Applicable
Pipe Fac Name Grand Oaks Station
Segment Name Grand Oaks Station
Federal No
Location Type Operator-Controlled Property
Incident Area Type Aboveground
Incident Area Subtype Typical Aboveground Facility Piping Or Appurtenance
Crossing No
Pipe Facility Type Intrastate
System Part Involved Onshore Compressor Station Equipment And Piping
Item Involved Compressor
Installation Year 2008
Manufactured Year Unknown
Material Involved Carbon Steel
Release Type Other
Class Location Type Class 1 Location
Could Be Hca No
Not Flammable Ind Not Flammable
Heat Damage Ind No
Non Heat Damage Ind No
Did Occur In Mca Ind No
Est Cost Oper Paid 0
Est Cost Unintentional Release 154679
Est Cost Intentional Release 0
Est Cost Prop Damage 0
Est Cost Emergency 0
Est Cost Other 6
Est Cost Other Details Installed Threeded Plug
Gas Cost In Mcf 8.335
Prpty 154685
Num Persons Hosp Not Ovnght 0
Num Injured Treated By Emt 0
Num Resident Building Affctd 0
Num Business Building Affctd 0
Wildlife Impact Ind No
Accident Psig 820
Gas Flow In Pipe In Mcf 95000
Mop Psig 1440
Mop Cfr Section 192.619(A)(2) View CFR 49 §192
Maop Established Date 2008-09-01 00:00:00
Maop Reversal Flow Ind No
Accident Pressure Pressure Did Not Exceed Maop
Pressure Restriction Ind No
Gas Required Odorized Ind No
Pipeline Function Type C Gathering
Scada In Place Ind Yes
Scada Operating Ind Yes
Scada Functional Ind Yes
Scada Detection Ind No
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 Initial response to investigation determined equipment failure locally
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Equipment Failure
Cause Details Threaded Connection/coupling Failure
Eq Failure Type Threaded Connection/coupling Failure
Other Stripped Ind Pipe Nipple
Additional Vibration Ind Yes
Eqf Threaded Coupling Ind Yes
Preparer Name B***** K****
Preparer Title Gis Analyst
Preparer Email B***********@m*************.com
Preparer Telephone 17138212072
Local Contact Name B***** K****
Local Contact Email B***********@m*************.com
Local Contact Telephone 17138212072
Authorizer Name B***** K****
Authorizer Title Gis Analyst
Authorizer Telephone 17138212072
Authorizer Email B***********@m*************.com
Narrative M************************************@ 6:00 a.M. Concerning a "hissing" noise coming from our station. Gc dispatched on call operator to site @ 6:20 a.M. Operator arrived on site at 7:15 a.M. And discovered a nipple had failed casing the release, the operator shutdown compressor at 7:16 a.M. Midcoast operator isolated compressor and depressurized immediately. *****************************************************************************.

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