HL incident on 2010-06-28 — OK

Operator
Explorer Pipeline Co
Cause
Corrosion Failure
Commodity
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$125,000
Incident datetime
2010-06-28 08:30
Report number
Location
OK
Narrative
On june 28, 2010 at approximately 08:30 an explorer pipeline technician arrived at the chatsworth, il pump station and identified product inside a vault utilized for a pipeline pig sig. On june 28, 2010 at approximately 16:00 a contractor began excavating the area to determine the source. On june 29, 2010 at 09:00 a 2 inch station line was identified as the source. The 2" section of pipe was cut-out and submitted for metallurgical testing. The final metalurdical report indicated the pitting resembles microbe induced corrosion. All free-phase product was recovered and any petroleum impacted soil from the release was excavated, tested and properly disposal. The highest pressure the previous 30-days was 464.8 psi. Supplement report was generated to enter the information PHMSA requested in part c3a to 3h, but system will not allow data to be entered into the system. Communicated information about part c to phmsas central region.
Detailed record list
Report Received Date
2010-07-27 00:00:00
Iyear
2010
Report Number
20100157
Supplemental Number
18532
Report Type
Supplemental Final
Operator Id
Name
Explorer Pipeline Co
Operator Street Address
Po Box 2650
Operator City Name
Tulsa
Operator State Abbreviation
OK
Operator Postal Code
74101
Local Datetime
2010-06-28 08:30:00
Location Latitude
Location Longitude
Commodity Released Type
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Commodity Subtype
Gasoline (Non-Ethanol)
Unintentional Release Bbls
3
Recovered Bbls
3
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2010-06-28 08:30:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
Station Was Isolated And Mainline Did Not Need To Be Shut Down.
On Site Datetime
2010-06-28 16:00:00
Nrc Rpt Datetime
2010-06-29 10:23:00
Nrc Rpt Num
Ignite Ind
No
Explode Ind
No
Pipe Fac Name
Chatsworth Pump Station
Segment Name
24 Inch System
Onshore State Abbreviation
Il
Onshore Postal Code
61775
Onshore City Name
Strawn
Onshore County Name
Livingston
Designated Location
Milepost/valve Station
Designated Name
563.5
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
48
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Weld, Including Heat-Affected Zone
Pipe Diameter
2
Pipe Wall Thickness
0.375
Pipe Smys
35000
Pipe Specification
Api-5l
Pipe Seam Type
Seamless
Pipe Manufacturer
Unspecified
Pipe Coating Type
Other
Pipe Coating Details
Unspecified
Weld Subtype
Pipe Girth Weld
Installation Year
1978
Manufactured Year
1971
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
0
Est Cost Prop Damage
125000
Est Cost Emergency
10000
Est Cost Environmental
0
Est Cost Other
0
Prpty
135000
Accident Psig
131.2
Mop Psig
973
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Pipeline Function
> 20% Smys Regulated Transmission
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Cpm In Place Ind
Yes
Cpm Operating Ind
Yes
Cpm Functional Ind
Yes
Cpm Detection Ind
No
Cpm Conf Ind
No
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
Incident involved a seep from a small crack in a weld on a 2 inch station line. Controller's response was reviewed and no further action necessary.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
Internal Corrosion
Internal External
Internal Corrosion
Int Visual Exam Results
Localized Pitting
Int Microbiological Ind
Yes
Int Metallurgical Basis Ind
Yes
Int Other Loc Ind
Yes
Corrosion Location Details
2 3/8 Inch Od Station Refill Lines Into A Pump Station.
Corrosion Inhibitors
Yes
Corrosion Lining
No
Cleaning Dewatering
Not Applicable - Not Mainline Pipe
Corrosion Coupons
Not Applicable - Not Mainline Pipe
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
K**** E* B****
Preparer Title
Dot Administrator
Preparer Email
K*****@e***.com
Preparer Telephone
9184935104
Prepared Date
2013-09-10 00:00:00
Authorizer Name
J** S****
Authorizer Telephone
9184935143
Authorizer Title
Director Hsse
Authorizer Email
J*****@e***.com
Narrative
On june 28, 2010 at approximately 08:30 an explorer pipeline technician arrived at the chatsworth, il pump station and identified product inside a vault utilized for a pipeline pig sig. On june 28, 2010 at approximately 16:00 a contractor began excavating the area to determine the source. On june 29, 2010 at 09:00 a 2 inch station line was identified as the source. The 2" section of pipe was cut-out and submitted for metallurgical testing. The final metalurdical report indicated the pitting resembles microbe induced corrosion. All free-phase product was recovered and any petroleum impacted soil from the release was excavated, tested and properly disposal. The highest pressure the previous 30-days was 464.8 psi. Supplement report was generated to enter the information PHMSA requested in part c3a to 3h, but system will not allow data to be entered into the system. Communicated information about part c to phmsas central region.
Report Received Date 2010-07-27 00:00:00
Iyear 2010
Report Number 20100157
Supplemental Number 18532
Report Type Supplemental Final
Operator Id 4805 PHMSA Enforcement
Name Explorer Pipeline Co
Operator Street Address Po Box 2650
Operator City Name Tulsa
Operator State Abbreviation OK
Operator Postal Code 74101
Local Datetime 2010-06-28 08:30:00
Location Latitude 40.647936 Google Maps OpenStreetMap
Location Longitude -88.340732 Google Maps OpenStreetMap
Commodity Released Type Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Commodity Subtype Gasoline (Non-Ethanol)
Unintentional Release Bbls 3
Recovered Bbls 3
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Local Operating Personnel, Including Contractors
Operator Type Operator Employee
Incident Identified Datetime 2010-06-28 08:30:00
System Part Involved Onshore Pump/meter Station Equipment And Piping
On Off Shore Onshore
Shutdown Due Accident Ind No
Shutdown Explain Station Was Isolated And Mainline Did Not Need To Be Shut Down.
On Site Datetime 2010-06-28 16:00:00
Nrc Rpt Datetime 2010-06-29 10:23:00
Nrc Rpt Num 945896 NRC Report How to search
Ignite Ind No
Explode Ind No
Pipe Fac Name Chatsworth Pump Station
Segment Name 24 Inch System
Onshore State Abbreviation Il
Onshore Postal Code 61775
Onshore City Name Strawn
Onshore County Name Livingston
Designated Location Milepost/valve Station
Designated Name 563.5
Federal No
Location Type Totally Contained On Operator-Controlled Property
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 48
Crossing No
Pipe Facility Type Interstate
Item Involved Weld, Including Heat-Affected Zone
Pipe Diameter 2
Pipe Wall Thickness 0.375
Pipe Smys 35000
Pipe Specification Api-5l
Pipe Seam Type Seamless
Pipe Manufacturer Unspecified
Pipe Coating Type Other
Pipe Coating Details Unspecified
Weld Subtype Pipe Girth Weld
Installation Year 1978
Manufactured Year 1971
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
Wildlife Impact Ind No
Soil Contamination Yes
Long Term Assessment No
Remediation Ind No
Water Contam Ind No
Could Be Hca No
Commodity Reached Hca No
Est Cost Oper Paid 0
Est Cost Gas Released 0
Est Cost Prop Damage 125000
Est Cost Emergency 10000
Est Cost Environmental 0
Est Cost Other 0
Prpty 135000
Accident Psig 131.2
Mop Psig 973
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
Pipeline Function > 20% Smys Regulated Transmission
Scada In Place Ind Yes
Scada Operating Ind Yes
Scada Functional Ind Yes
Scada Detection Ind No
Scada Conf Ind No
Cpm In Place Ind Yes
Cpm Operating Ind Yes
Cpm Functional Ind Yes
Cpm Detection Ind No
Cpm Conf Ind No
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 Incident involved a seep from a small crack in a weld on a 2 inch station line. Controller's response was reviewed and no further action necessary.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Corrosion Failure
Cause Details Internal Corrosion
Internal External Internal Corrosion
Int Visual Exam Results Localized Pitting
Int Microbiological Ind Yes
Int Metallurgical Basis Ind Yes
Int Other Loc Ind Yes
Corrosion Location Details 2 3/8 Inch Od Station Refill Lines Into A Pump Station.
Corrosion Inhibitors Yes
Corrosion Lining No
Cleaning Dewatering Not Applicable - Not Mainline Pipe
Corrosion Coupons Not Applicable - Not Mainline Pipe
Collected Data Ind No
Has Hydrtst Conduc Before Ind No
Direct Asmnt Conducted No
Non Destructive Exam Ind No
Preparer Name K**** E* B****
Preparer Title Dot Administrator
Preparer Email K*****@e***.com
Preparer Telephone 9184935104
Prepared Date 2013-09-10 00:00:00
Authorizer Name J** S****
Authorizer Telephone 9184935143
Authorizer Title Director Hsse
Authorizer Email J*****@e***.com
Narrative On june 28, 2010 at approximately 08:30 an explorer pipeline technician arrived at the chatsworth, il pump station and identified product inside a vault utilized for a pipeline pig sig. On june 28, 2010 at approximately 16:00 a contractor began excavating the area to determine the source. On june 29, 2010 at 09:00 a 2 inch station line was identified as the source. The 2" section of pipe was cut-out and submitted for metallurgical testing. The final metalurdical report indicated the pitting resembles microbe induced corrosion. All free-phase product was recovered and any petroleum impacted soil from the release was excavated, tested and properly disposal. The highest pressure the previous 30-days was 464.8 psi. Supplement report was generated to enter the information PHMSA requested in part c3a to 3h, but system will not allow data to be entered into the system. Communicated information about part c to phmsas central region.

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