HL incident on 2017-10-12 — OH

Operator
Marathon Pipe Line Llc
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$2,000
Incident datetime
2017-10-12 16:20
Report number
Location
OH
Narrative
On october 12, 2017 contract crews were on-site to perform excavation of an anomaly that was discovered during an ili tool run. While beginning excavation, the crew encountered contaminated soil and identified a pinhole leak. A repair clamp was immediately installed to stop the release and repair the anomaly. The contaminated soil was cleaned-up and disposed of. The cause of the external corrosion is due to wax coating inadequacies, the cp environment and tool technology capabilities.
Detailed record list
Report Received Date
2017-11-08 00:00:00
Iyear
2017
Report Number
20170359
Supplemental Number
23065
Report Type
Supplemental Final
Operator Id
Name
Marathon Pipe Line Llc
Operator Street Address
539 South Main Street
Operator City Name
Findlay
Operator State Abbreviation
OH
Operator Postal Code
45840
Local Datetime
2017-10-12 16:20:00
Location Latitude
Location Longitude
Commodity Released Type
Crude Oil
Unintentional Release Bbls
4
Recovered Bbls
4
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Contractor Working For The Operator
Incident Identified Datetime
2017-10-12 16:20:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
The Line Was Shutdown By Schedule.
On Site Datetime
2017-10-12 18:20:00
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Remotely Controlled
Num Pub Evacuated
0
Pipe Fac Name
Basin To Byron 8 Inch Crude
Segment Name
Greybull Airport Booster - Byron 8 Inch
Onshore State Abbreviation
Wy
Onshore Postal Code
82412
Onshore City Name
Byron
Onshore County Name
Big Horn
Designated Location
Milepost/valve Station
Designated Name
27.98
Federal
Yes
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
52
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
8
Pipe Wall Thickness
0.219
Pipe Smys
42000
Pipe Specification
Api 5l
Pipe Seam Type
Erw - High Frequency
Pipe Manufacturer
Republic
Pipe Coating Type
Cold Applied Tape
Installation Year
1978
Manufactured Year
1978
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
204
Est Cost Prop Damage
2000
Est Cost Emergency
20335
Est Cost Environmental
0
Est Cost Other
0
Prpty
22539
Accident Psig
35
Mop Psig
1464
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
212320
Internal Inspection Ind
Yes
Operation Complications 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
Yes, specify investigation result(s): (select all that apply)
Invest Schedule Ind
Yes
Invest No Control Room Ind
Yes
Invest No Controller Ind
Yes
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
External Corrosion
Internal External
External Corrosion
Visual Exam Results
Localized Pitting
Galvanic Corrosion Ind
Yes
Field Exam Basis Ind
Yes
Underground Location
Yes
Under Cathodic Protection Ind
Yes
Cathodic Pro Start Year
1978
Shielding Evident
Unknown
Cathodic Survey Type
Yes
Close Interval Survey Ind
Yes
Close Interval Survey Year
2017
Prior Damage
Yes
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Geometry Deformation Ind
Yes
Axial Recent Year
2017
Geometry Recent Year
2017
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
D******* S***
Preparer Title
Hes Professional
Preparer Email
D*****@m****************.com
Preparer Telephone
419-421-2121
Prepared Date
2018-01-24 00:00:00
Authorizer Name
R****** W* B*****
Authorizer Telephone
419-421-2121
Authorizer Title
Regulatory And Compliance Supervisor
Authorizer Email
R*******@m****************.com
Narrative
On october 12, 2017 contract crews were on-site to perform excavation of an anomaly that was discovered during an ili tool run. While beginning excavation, the crew encountered contaminated soil and identified a pinhole leak. A repair clamp was immediately installed to stop the release and repair the anomaly. The contaminated soil was cleaned-up and disposed of. The cause of the external corrosion is due to wax coating inadequacies, the cp environment and tool technology capabilities.
Report Received Date 2017-11-08 00:00:00
Iyear 2017
Report Number 20170359
Supplemental Number 23065
Report Type Supplemental Final
Operator Id 32147 PHMSA Enforcement
Name Marathon Pipe Line Llc
Operator Street Address 539 South Main Street
Operator City Name Findlay
Operator State Abbreviation OH
Operator Postal Code 45840
Local Datetime 2017-10-12 16:20:00
Location Latitude 44.679531 Google Maps OpenStreetMap
Location Longitude -108.359569 Google Maps OpenStreetMap
Commodity Released Type Crude Oil
Unintentional Release Bbls 4
Recovered Bbls 4
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Local Operating Personnel, Including Contractors
Operator Type Contractor Working For The Operator
Incident Identified Datetime 2017-10-12 16:20:00
System Part Involved Onshore Pipeline, Including Valve Sites
On Off Shore Onshore
Shutdown Due Accident Ind No
Shutdown Explain The Line Was Shutdown By Schedule.
On Site Datetime 2017-10-12 18:20:00
Nrc Rpt Num Nrc Notification Not Required NRC Report How to search
Ignite Ind No
Explode Ind No
Upstream Valve Type Ind Manual
Downstream Valve Type Ind Remotely Controlled
Num Pub Evacuated 0
Pipe Fac Name Basin To Byron 8 Inch Crude
Segment Name Greybull Airport Booster - Byron 8 Inch
Onshore State Abbreviation Wy
Onshore Postal Code 82412
Onshore City Name Byron
Onshore County Name Big Horn
Designated Location Milepost/valve Station
Designated Name 27.98
Federal Yes
Location Type Pipeline Right-Of-Way
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 52
Crossing No
Pipe Facility Type Interstate
Item Involved Pipe
Pipe Type Pipe Body
Pipe Diameter 8
Pipe Wall Thickness 0.219
Pipe Smys 42000
Pipe Specification Api 5l
Pipe Seam Type Erw - High Frequency
Pipe Manufacturer Republic
Pipe Coating Type Cold Applied Tape
Installation Year 1978
Manufactured Year 1978
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 204
Est Cost Prop Damage 2000
Est Cost Emergency 20335
Est Cost Environmental 0
Est Cost Other 0
Prpty 22539
Accident Psig 35
Mop Psig 1464
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
Length Segment Isolated 212320
Internal Inspection Ind Yes
Operation Complications 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 Yes, specify investigation result(s): (select all that apply)
Invest Schedule Ind Yes
Invest No Control Room Ind Yes
Invest No Controller Ind Yes
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Corrosion Failure
Cause Details External Corrosion
Internal External External Corrosion
Visual Exam Results Localized Pitting
Galvanic Corrosion Ind Yes
Field Exam Basis Ind Yes
Underground Location Yes
Under Cathodic Protection Ind Yes
Cathodic Pro Start Year 1978
Shielding Evident Unknown
Cathodic Survey Type Yes
Close Interval Survey Ind Yes
Close Interval Survey Year 2017
Prior Damage Yes
Collected Data Ind Yes
Axial Magnetic Flx Lkg Ind Yes
Geometry Deformation Ind Yes
Axial Recent Year 2017
Geometry Recent Year 2017
Has Hydrtst Conduc Before Ind No
Direct Asmnt Conducted No
Non Destructive Exam Ind No
Preparer Name D******* S***
Preparer Title Hes Professional
Preparer Email D*****@m****************.com
Preparer Telephone 419-421-2121
Prepared Date 2018-01-24 00:00:00
Authorizer Name R****** W* B*****
Authorizer Telephone 419-421-2121
Authorizer Title Regulatory And Compliance Supervisor
Authorizer Email R*******@m****************.com
Narrative On october 12, 2017 contract crews were on-site to perform excavation of an anomaly that was discovered during an ili tool run. While beginning excavation, the crew encountered contaminated soil and identified a pinhole leak. A repair clamp was immediately installed to stop the release and repair the anomaly. The contaminated soil was cleaned-up and disposed of. The cause of the external corrosion is due to wax coating inadequacies, the cp environment and tool technology capabilities.

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