Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2022-08-11 — OK
Operator
Mid-Continent Market Center
Cause
Material Failure Of Pipe Or Weld
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$19,500
Incident datetime
2022-08-11 21:05
Report number
Location
OK
Narrative
On 8/11/22, an incident occurred on the mcmc 1204 pipeline. Operations responded and discovered a pipeline rupture approximately 7 miles southwest of kingman, ks. The pipeline was isolated, blown down, and damaged section of pipe removed for metallurgical analysis. Gas loss was calculated at 4.11 mmcf. Update: the third party failure analysis report on the ruptured pipe segment indicated within the pipe body material, there were internal defects and areas within the microstructure of low material properties. These were most likely due to vintage steel making processes and pipe manufacturing methods (estimate pipe manufactured in the 1940s). The defects and cracks seen today probably either initiated and / or became bigger during the pipe's crude oil service prior to 1955 in unknown operating conditions. These internal defects, while not an issue at the start of the pipeline natural gas service in 1955, were either already internal cracks or were internal crack initiation sites. Over the course of almost seventy years, the normal fluctuation in pipeline pressures grew and / or initiated internal cracks to the point that the effective pipe wall thickness was not enough to contain normal operating pressures. This led to the pipe wall bulge that created crack initiation sites on the internal pipe surface that became cracks propagated by fatigue and eventually led to the pipe segment rupture. The lap weld seam did not appear to be a factor in this incident. Submitted by brent theede 3/15/2023.
Detailed record list
Report Received Date
2022-09-09 00:00:00
Iyear
2022
Report Number
20220099
Supplemental Number
37837
Report Type
Supplemental Final
Operator Id
32363
Name
Mid-Continent Market Center
Operator Street Address
100 West Fifth Street
Operator City Name
Tulsa
Operator State Abbreviation
OK
Operator Postal Code
74103-4298
Local Datetime
2022-08-11 21:01:00
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
37.58702
Location Longitude
-98.23551
Nrc Rpt Num
1344257
Nrc Rpt Datetime
2022-08-11 22:51:00
Additional Nrc Report Numbers
1344347
Commodity Released Type
Natural Gas
Unintentional Release
4110
Intentional Release
307
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
Yes
Shutdown Datetime
2022-08-11 21:30:00
Restart Datetime
2022-08-15 19:00:00
Ignite Ind
No
Upstream Action Taken
Valve Closure
Upstream Valve Close Datetime
2022-08-11 21:30:00
Downstream Action Taken
Valve Closure
Downstream Vlv Close Datetime
2022-08-11 20:10:00
Num Pub Evacuated
0
Incident Identified Datetime
2022-08-11 21:05:00
On Site Datetime
2022-08-11 21:05:00
On Off Shore
Onshore
Onshore State Abbreviation
Ks
Onshore Postal Code
67068
Onshore City Name
Not Within A Municipality
Onshore County Name
Kingman
Designated Location
Milepost
Designated Name
7m Sw Kingman
Pipe Fac Name
Mid-Continent Market Center
Segment Name
1204
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
48
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
12.75
Puddle Weld Ind
No
Pipe Wall Thickness
0.375
Pipe Smys
35000
Pipe Specification
Grade B - .375 Wall
Pipe Seam Type
Lap Welded
Pipe Manufacturer
Unknown
Pipe Coating Type
Coal Tar
Coating Applied Ind
Unknown
Installation Year
1955
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Rupture
Rupture Orient
Longitudinal
Rupture Length
84
Rupture Width
12
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
226
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
1500
Est Cost Unintentional Release
33825
Est Cost Intentional Release
2527
Est Cost Prop Damage
19500
Est Cost Emergency
1100
Est Cost Other
0
Gas Cost In Mcf
8.23
Prpty
58452
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
659
Gas Flow In Pipe In Mcf
5000
Mop Psig
660
Mop Cfr Section
192.619(C)
Maop Established Date
1970-11-12 00:00:00
Maop Reversal Flow Ind
Bi-Directional
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Gas Required Odorized Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Remotely Controlled
Length Segment Isolated
89760
Internal Inspection Ind
No
Diameter Change Ind
Yes
Operation Complications Ind
Yes
Other Complications Ind
Yes
Inspect Comp Details
Nominal Pipe Size Changes
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 Emergency Responder
Investigation Status
Yes, specify investigation result(s): (select all that apply)
Invest Schedule Ind
Yes
Invest No Control Room Ind
Yes
Invest Other Ind
Yes
Invest Other Ind Details
Three Pressure Indicators Dropped From 656 Psi To 5 Psi With No Response From Controller. There Was No Response From The Control Room Until The Call Was Received From The Emergency Responders.
Employee Drug Test Ind
Yes
Contractor Drug Test Ind
No
Num Employees Tested
1
Num Employees Failed
0
Cause
Material Failure Of Pipe Or Weld
Cause Details
Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field)
Pwjf Failure Type
Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field)
Metallurgical Ind
Yes
Other Factor
Yes
Other Factor Details
See Narrative.
Pwf Additional Other Ind
Yes
Additional Other Details
See Narrative.
Post Constr Pressure Test Val
Unknown
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
B**** T*****
Preparer Title
Supervisor - Regulatory Compliance
Preparer Email
B***********@o****.com
Preparer Telephone
6208203047
Local Contact Name
B**** T*****
Local Contact Email
B***********@o****.com
Local Contact Telephone
6208203047
Authorizer Name
B**** T*****
Authorizer Title
Supervisor - Regulatory Compliance
Authorizer Telephone
6208203047
Authorizer Email
B***********@o****.com
Narrative
On 8/11/22, an incident occurred on the mcmc 1204 pipeline. Operations responded and discovered a pipeline rupture approximately 7 miles southwest of kingman, ks. The pipeline was isolated, blown down, and damaged section of pipe removed for metallurgical analysis. Gas loss was calculated at 4.11 mmcf. Update: the third party failure analysis report on the ruptured pipe segment indicated within the pipe body material, there were internal defects and areas within the microstructure of low material properties. These were most likely due to vintage steel making processes and pipe manufacturing methods (estimate pipe manufactured in the 1940s). The defects and cracks seen today probably either initiated and / or became bigger during the pipe's crude oil service prior to 1955 in unknown operating conditions. These internal defects, while not an issue at the start of the pipeline natural gas service in 1955, were either already internal cracks or were internal crack initiation sites. Over the course of almost seventy years, the normal fluctuation in pipeline pressures grew and / or initiated internal cracks to the point that the effective pipe wall thickness was not enough to contain normal operating pressures. This led to the pipe wall bulge that created crack initiation sites on the internal pipe surface that became cracks propagated by fatigue and eventually led to the pipe segment rupture. The lap weld seam did not appear to be a factor in this incident. Submitted by brent theede 3/15/2023.
| Report Received Date | 2022-09-09 00:00:00 |
|---|---|
| Iyear | 2022 |
| Report Number | 20220099 |
| Supplemental Number | 37837 |
| Report Type | Supplemental Final |
| Operator Id | 32363 PHMSA Enforcement |
| Name | Mid-Continent Market Center |
| Operator Street Address | 100 West Fifth Street |
| Operator City Name | Tulsa |
| Operator State Abbreviation | OK |
| Operator Postal Code | 74103-4298 |
| Local Datetime | 2022-08-11 21:01:00 |
| Time Zone | Central |
| Daylight Savings Ind | Yes |
| Location Latitude | 37.58702 Google Maps OpenStreetMap |
| Location Longitude | -98.23551 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1344257 NRC Report How to search |
| Nrc Rpt Datetime | 2022-08-11 22:51:00 |
| Additional Nrc Report Numbers | 1344347 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 4110 |
| Intentional Release | 307 |
| 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 | Yes |
| Shutdown Datetime | 2022-08-11 21:30:00 |
| Restart Datetime | 2022-08-15 19:00:00 |
| Ignite Ind | No |
| Upstream Action Taken | Valve Closure |
| Upstream Valve Close Datetime | 2022-08-11 21:30:00 |
| Downstream Action Taken | Valve Closure |
| Downstream Vlv Close Datetime | 2022-08-11 20:10:00 |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2022-08-11 21:05:00 |
| On Site Datetime | 2022-08-11 21:05:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Ks |
| Onshore Postal Code | 67068 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Kingman |
| Designated Location | Milepost |
| Designated Name | 7m Sw Kingman |
| Pipe Fac Name | Mid-Continent Market Center |
| Segment Name | 1204 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 48 |
| Other Underground Facilities | No |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 12.75 |
| Puddle Weld Ind | No |
| Pipe Wall Thickness | 0.375 |
| Pipe Smys | 35000 |
| Pipe Specification | Grade B - .375 Wall |
| Pipe Seam Type | Lap Welded |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Coal Tar |
| Coating Applied Ind | Unknown |
| Installation Year | 1955 |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Rupture |
| Rupture Orient | Longitudinal |
| Rupture Length | 84 |
| Rupture Width | 12 |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 226 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Did Occur In Mca Ind | No |
| Est Cost Oper Paid | 1500 |
| Est Cost Unintentional Release | 33825 |
| Est Cost Intentional Release | 2527 |
| Est Cost Prop Damage | 19500 |
| Est Cost Emergency | 1100 |
| Est Cost Other | 0 |
| Gas Cost In Mcf | 8.23 |
| Prpty | 58452 |
| 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 | 659 |
| Gas Flow In Pipe In Mcf | 5000 |
| Mop Psig | 660 |
| Mop Cfr Section | 192.619(C) View CFR 49 §192 |
| Maop Established Date | 1970-11-12 00:00:00 |
| Maop Reversal Flow Ind | Bi-Directional |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Gas Required Odorized Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Remotely Controlled |
| Length Segment Isolated | 89760 |
| Internal Inspection Ind | No |
| Diameter Change Ind | Yes |
| Operation Complications Ind | Yes |
| Other Complications Ind | Yes |
| Inspect Comp Details | Nominal Pipe Size Changes |
| 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 Emergency Responder |
| Investigation Status | Yes, specify investigation result(s): (select all that apply) |
| Invest Schedule Ind | Yes |
| Invest No Control Room Ind | Yes |
| Invest Other Ind | Yes |
| Invest Other Ind Details | Three Pressure Indicators Dropped From 656 Psi To 5 Psi With No Response From Controller. There Was No Response From The Control Room Until The Call Was Received From The Emergency Responders. |
| Employee Drug Test Ind | Yes |
| Contractor Drug Test Ind | No |
| Num Employees Tested | 1 |
| Num Employees Failed | 0 |
| Cause | Material Failure Of Pipe Or Weld |
| Cause Details | Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field) |
| Pwjf Failure Type | Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field) |
| Metallurgical Ind | Yes |
| Other Factor | Yes |
| Other Factor Details | See Narrative. |
| Pwf Additional Other Ind | Yes |
| Additional Other Details | See Narrative. |
| Post Constr Pressure Test Val | Unknown |
| Collected Data Ind | No |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | B**** T***** |
| Preparer Title | Supervisor - Regulatory Compliance |
| Preparer Email | B***********@o****.com |
| Preparer Telephone | 6208203047 |
| Local Contact Name | B**** T***** |
| Local Contact Email | B***********@o****.com |
| Local Contact Telephone | 6208203047 |
| Authorizer Name | B**** T***** |
| Authorizer Title | Supervisor - Regulatory Compliance |
| Authorizer Telephone | 6208203047 |
| Authorizer Email | B***********@o****.com |
| Narrative | On 8/11/22, an incident occurred on the mcmc 1204 pipeline. Operations responded and discovered a pipeline rupture approximately 7 miles southwest of kingman, ks. The pipeline was isolated, blown down, and damaged section of pipe removed for metallurgical analysis. Gas loss was calculated at 4.11 mmcf. Update: the third party failure analysis report on the ruptured pipe segment indicated within the pipe body material, there were internal defects and areas within the microstructure of low material properties. These were most likely due to vintage steel making processes and pipe manufacturing methods (estimate pipe manufactured in the 1940s). The defects and cracks seen today probably either initiated and / or became bigger during the pipe's crude oil service prior to 1955 in unknown operating conditions. These internal defects, while not an issue at the start of the pipeline natural gas service in 1955, were either already internal cracks or were internal crack initiation sites. Over the course of almost seventy years, the normal fluctuation in pipeline pressures grew and / or initiated internal cracks to the point that the effective pipe wall thickness was not enough to contain normal operating pressures. This led to the pipe wall bulge that created crack initiation sites on the internal pipe surface that became cracks propagated by fatigue and eventually led to the pipe segment rupture. The lap weld seam did not appear to be a factor in this incident. Submitted by brent theede 3/15/2023. |
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