HL incident on 2012-10-10 — TX

Operator
Enterprise Crude Pipeline Llc
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$160,862
Incident datetime
2012-10-10 06:30
Report number
Location
TX
Narrative
Cushing east facility was making a delivery of crude oil on the 16-inch c66 pipeline to magellan when a leak was discovered near the north manifold. The line was immediately shutdown and notifications were made. There were no injuries and no water was impacted as a result of this leak. It is estimated that 75 bbls of oil was released. The leak was not on the c66 pipeline. It was in the north manifold area on a dead leg of piping. After excavting the line, the leak appears to be internal corrosion on an elbow in the line. The pipe was shipped 10/11/2012 to a lab in houston for metallurgical testing. Attached is the failure analysis report. The leak occurred on a dead leg as indcated in the attached site drawing. Attached are photo's of the leak site, incident investigation report, deadleg action plan, site drawing, and failure analysis report from stress engineering. The dead leg action plan has assessed 18 dead legs to be removed or drained. There are 10 dead legs ranked as high risk - 8 of these has been completed. The remaining items on the plan will continue to be drained or removed from service.
Detailed record list
Report Received Date
2012-11-08 00:00:00
Iyear
2012
Report Number
20120319
Supplemental Number
18861
Report Type
Supplemental Final
Operator Id
Name
Enterprise Crude Pipeline Llc
Operator Street Address
1100 Louisiana Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2012-10-10 05:30:00
Location Latitude
Location Longitude
Commodity Released Type
Crude Oil
Unintentional Release Bbls
75
Recovered Bbls
50
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Controller
Operator Type
Operator Employee
Incident Identified Datetime
2012-10-10 06:30:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2012-10-10 06:35:00
Restart Datetime
2012-10-12 08:00:00
On Site Datetime
2012-10-10 06:40:00
Nrc Rpt Datetime
2012-10-10 07:15:00
Nrc Rpt Num
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Automatic
Downstream Valve Type Ind
Automatic
Num Pub Evacuated
0
Pipe Fac Name
Cushing East
Segment Name
C66
Onshore State Abbreviation
Ok
Onshore Postal Code
74023
Onshore City Name
Cushing
Onshore County Name
Lincoln
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
60
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
16
Pipe Wall Thickness
0.375
Pipe Smys
42000
Pipe Specification
Unknown
Pipe Seam Type
Erw - High Frequency
Pipe Manufacturer
Unknown
Pipe Coating Type
Fusion Bonded Epoxy(Fbe)
Manufactured Year
2005
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
No
Remediation Ind
Yes
Soil Remed Ind
Yes
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
7500
Est Cost Prop Damage
160862
Est Cost Emergency
18130
Est Cost Environmental
7035
Est Cost Other
0
Prpty
193527
Accident Psig
200
Mop Psig
350
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
200
Internal Inspection Ind
No
Tight Mitered Ind
Yes
Other Restrictions Ind
Yes
Operation Complications Ind
Yes
Low Flow Ind
Yes
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
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
Pressure did not exceed limits and scada did not inidicate a release.
Employee Drug Test Ind
Yes
Contractor Drug Test Ind
No
Num Employees Tested
1
Num Employees Failed
0
Cause
Corrosion Failure
Cause Details
Internal Corrosion
Internal External
Internal Corrosion
Int Visual Exam Results
Localized Pitting
Int Water Acid Ind
Yes
Int Microbiological Ind
Yes
Int Field Exam Basis Ind
Yes
Int Elbow Loc Ind
Yes
Corrosion Inhibitors
No
Cleaning Dewatering
No
Corrosion Coupons
Yes
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
Yes
Hydrtst Most Rcnt Year
2005
Hydrtst Most Rcnt Pressure
442
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
N*** B******
Preparer Title
Sr. Pipeline Compliance Specialist
Preparer Email
W********@e****.com
Preparer Telephone
713-381-3536
Prepared Date
2013-12-19 00:00:00
Authorizer Name
N*** B******
Authorizer Telephone
713-381-3536
Authorizer Title
Sr. Pipeline Compliance Specialist
Authorizer Email
W********@e****.com
Narrative
Cushing east facility was making a delivery of crude oil on the 16-inch c66 pipeline to magellan when a leak was discovered near the north manifold. The line was immediately shutdown and notifications were made. There were no injuries and no water was impacted as a result of this leak. It is estimated that 75 bbls of oil was released. The leak was not on the c66 pipeline. It was in the north manifold area on a dead leg of piping. After excavting the line, the leak appears to be internal corrosion on an elbow in the line. The pipe was shipped 10/11/2012 to a lab in houston for metallurgical testing. Attached is the failure analysis report. The leak occurred on a dead leg as indcated in the attached site drawing. Attached are photo's of the leak site, incident investigation report, deadleg action plan, site drawing, and failure analysis report from stress engineering. The dead leg action plan has assessed 18 dead legs to be removed or drained. There are 10 dead legs ranked as high risk - 8 of these has been completed. The remaining items on the plan will continue to be drained or removed from service.
Report Received Date 2012-11-08 00:00:00
Iyear 2012
Report Number 20120319
Supplemental Number 18861
Report Type Supplemental Final
Operator Id 30829 PHMSA Enforcement
Name Enterprise Crude Pipeline Llc
Operator Street Address 1100 Louisiana Street
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Local Datetime 2012-10-10 05:30:00
Location Latitude 35.939625 Google Maps OpenStreetMap
Location Longitude -96.747821 Google Maps OpenStreetMap
Commodity Released Type Crude Oil
Unintentional Release Bbls 75
Recovered Bbls 50
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Controller
Operator Type Operator Employee
Incident Identified Datetime 2012-10-10 06:30:00
System Part Involved Onshore Pipeline, Including Valve Sites
On Off Shore Onshore
Shutdown Due Accident Ind Yes
Shutdown Datetime 2012-10-10 06:35:00
Restart Datetime 2012-10-12 08:00:00
On Site Datetime 2012-10-10 06:40:00
Nrc Rpt Datetime 2012-10-10 07:15:00
Nrc Rpt Num 1026888 NRC Report How to search
Ignite Ind No
Explode Ind No
Upstream Valve Type Ind Automatic
Downstream Valve Type Ind Automatic
Num Pub Evacuated 0
Pipe Fac Name Cushing East
Segment Name C66
Onshore State Abbreviation Ok
Onshore Postal Code 74023
Onshore City Name Cushing
Onshore County Name Lincoln
Federal No
Location Type Totally Contained On Operator-Controlled Property
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 60
Crossing No
Pipe Facility Type Interstate
Item Involved Pipe
Pipe Type Pipe Body
Pipe Diameter 16
Pipe Wall Thickness 0.375
Pipe Smys 42000
Pipe Specification Unknown
Pipe Seam Type Erw - High Frequency
Pipe Manufacturer Unknown
Pipe Coating Type Fusion Bonded Epoxy(Fbe)
Manufactured Year 2005
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
Wildlife Impact Ind No
Soil Contamination Yes
Long Term Assessment No
Remediation Ind Yes
Soil Remed Ind Yes
Water Contam Ind No
Could Be Hca No
Commodity Reached Hca No
Est Cost Oper Paid 0
Est Cost Gas Released 7500
Est Cost Prop Damage 160862
Est Cost Emergency 18130
Est Cost Environmental 7035
Est Cost Other 0
Prpty 193527
Accident Psig 200
Mop Psig 350
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
Length Segment Isolated 200
Internal Inspection Ind No
Tight Mitered Ind Yes
Other Restrictions Ind Yes
Operation Complications Ind Yes
Low Flow Ind Yes
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 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 Pressure did not exceed limits and scada did not inidicate a release.
Employee Drug Test Ind Yes
Contractor Drug Test Ind No
Num Employees Tested 1
Num Employees Failed 0
Cause Corrosion Failure
Cause Details Internal Corrosion
Internal External Internal Corrosion
Int Visual Exam Results Localized Pitting
Int Water Acid Ind Yes
Int Microbiological Ind Yes
Int Field Exam Basis Ind Yes
Int Elbow Loc Ind Yes
Corrosion Inhibitors No
Cleaning Dewatering No
Corrosion Coupons Yes
Collected Data Ind No
Has Hydrtst Conduc Before Ind Yes
Hydrtst Most Rcnt Year 2005
Hydrtst Most Rcnt Pressure 442
Direct Asmnt Conducted No
Non Destructive Exam Ind No
Preparer Name N*** B******
Preparer Title Sr. Pipeline Compliance Specialist
Preparer Email W********@e****.com
Preparer Telephone 713-381-3536
Prepared Date 2013-12-19 00:00:00
Authorizer Name N*** B******
Authorizer Telephone 713-381-3536
Authorizer Title Sr. Pipeline Compliance Specialist
Authorizer Email W********@e****.com
Narrative Cushing east facility was making a delivery of crude oil on the 16-inch c66 pipeline to magellan when a leak was discovered near the north manifold. The line was immediately shutdown and notifications were made. There were no injuries and no water was impacted as a result of this leak. It is estimated that 75 bbls of oil was released. The leak was not on the c66 pipeline. It was in the north manifold area on a dead leg of piping. After excavting the line, the leak appears to be internal corrosion on an elbow in the line. The pipe was shipped 10/11/2012 to a lab in houston for metallurgical testing. Attached is the failure analysis report. The leak occurred on a dead leg as indcated in the attached site drawing. Attached are photo's of the leak site, incident investigation report, deadleg action plan, site drawing, and failure analysis report from stress engineering. The dead leg action plan has assessed 18 dead legs to be removed or drained. There are 10 dead legs ranked as high risk - 8 of these has been completed. The remaining items on the plan will continue to be drained or removed from service.

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