HL incident on 2011-08-20 — TX

Operator
Enterprise Crude Pipeline Llc
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$100,000
Incident datetime
2011-08-20 12:30
Report number
Location
TX
Narrative
A leak was reported at the enterprise west columbia station on 8/20/2011 at approximately 12:30pm. Genesis initailly accepted responsibility for the leak and clean up because they operated and leased this portion of pipe from enterprise. On 8/23/2011 - 16:50hrs - enterprise made notification to the nrc #986918 because genesis indicated that they would no longer be responsible for the leak or clean up. On 9/2/2011 enterprise officially took over the clean up but not the responsibility of the leak. Metallurgical anaylsis showed bending stresses around the flange neck. The composition of the casing that failed was also a contributing factor to the brittleness.
Detailed record list
Report Received Date
2011-09-23 00:00:00
Iyear
2011
Report Number
20110358
Supplemental Number
19954
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
2011-08-20 12:30:00
Location Latitude
Location Longitude
Commodity Released Type
Crude Oil
Unintentional Release Bbls
250
Recovered Bbls
200
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2011-08-20 12:30:00
System Part Involved
Onshore Terminal/tank Farm Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2011-08-20 12:30:00
Restart Datetime
2011-08-20 13:00:00
On Site Datetime
2011-08-20 12:30:00
Nrc Rpt Num
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Onshore State Abbreviation
Tx
Onshore Postal Code
77486
Onshore City Name
West Columbia
Onshore County Name
Brazoria
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
30
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Valve
Valve Type
Auxiliary Or Other Valve
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Crack
Wildlife Impact Ind
No
Long Term Assessment
No
Remediation Ind
Yes
Soil Remed Ind
Yes
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
Yes
High Pop Ind
Yes
High Pop Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
4500
Est Cost Prop Damage
100000
Est Cost Emergency
0
Est Cost Environmental
230000
Est Cost Other
4000
Est Cost Other Details
Metallurgical Testing
Prpty
338500
Accident Psig
30
Mop Psig
150
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Pipeline Function
< 20% Smys Regulated Transmission
Scada In Place Ind
No
Cpm In Place Ind
No
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the accident
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
General Corrosion
Int Corrosive Commodity Ind
Yes
Int Microbiological Ind
Yes
Int Metallurgical Basis Ind
Yes
Int Other Loc Ind
Yes
Corrosion Location Details
Flange Neck Of Valve
Corrosion Inhibitors
No
Preparer Name
S**** D****
Preparer Title
Sr Pipeline Compliance Engineer
Preparer Email
S******@e****.com
Preparer Telephone
713-381-6487
Prepared Date
2014-12-10 00:00:00
Authorizer Name
S**** D****
Authorizer Telephone
713-381-6487
Authorizer Title
Sr Pipeline Compliance Engineer
Authorizer Email
S******@e****.com
Narrative
A leak was reported at the enterprise west columbia station on 8/20/2011 at approximately 12:30pm. Genesis initailly accepted responsibility for the leak and clean up because they operated and leased this portion of pipe from enterprise. On 8/23/2011 - 16:50hrs - enterprise made notification to the nrc #986918 because genesis indicated that they would no longer be responsible for the leak or clean up. On 9/2/2011 enterprise officially took over the clean up but not the responsibility of the leak. Metallurgical anaylsis showed bending stresses around the flange neck. The composition of the casing that failed was also a contributing factor to the brittleness.
Report Received Date 2011-09-23 00:00:00
Iyear 2011
Report Number 20110358
Supplemental Number 19954
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 2011-08-20 12:30:00
Location Latitude 29.084431 Google Maps OpenStreetMap
Location Longitude -95.403144 Google Maps OpenStreetMap
Commodity Released Type Crude Oil
Unintentional Release Bbls 250
Recovered Bbls 200
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Local Operating Personnel, Including Contractors
Operator Type Operator Employee
Incident Identified Datetime 2011-08-20 12:30:00
System Part Involved Onshore Terminal/tank Farm Equipment And Piping
On Off Shore Onshore
Shutdown Due Accident Ind Yes
Shutdown Datetime 2011-08-20 12:30:00
Restart Datetime 2011-08-20 13:00:00
On Site Datetime 2011-08-20 12:30:00
Nrc Rpt Num 986918 NRC Report How to search
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Onshore State Abbreviation Tx
Onshore Postal Code 77486
Onshore City Name West Columbia
Onshore County Name Brazoria
Federal No
Location Type Totally Contained On Operator-Controlled Property
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 30
Crossing No
Pipe Facility Type Intrastate
Item Involved Valve
Valve Type Auxiliary Or Other Valve
Material Involved Carbon Steel
Release Type Leak
Leak Type Crack
Wildlife Impact Ind No
Long Term Assessment No
Remediation Ind Yes
Soil Remed Ind Yes
Water Contam Ind No
Could Be Hca Yes
Commodity Reached Hca Yes
High Pop Ind Yes
High Pop Yes No Yes
Est Cost Oper Paid 0
Est Cost Gas Released 4500
Est Cost Prop Damage 100000
Est Cost Emergency 0
Est Cost Environmental 230000
Est Cost Other 4000
Est Cost Other Details Metallurgical Testing
Prpty 338500
Accident Psig 30
Mop Psig 150
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
Pipeline Function < 20% Smys Regulated Transmission
Scada In Place Ind No
Cpm In Place Ind No
Investigation Status No, the facility was not monitored by a controller(s) at the time of the accident
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 General Corrosion
Int Corrosive Commodity Ind Yes
Int Microbiological Ind Yes
Int Metallurgical Basis Ind Yes
Int Other Loc Ind Yes
Corrosion Location Details Flange Neck Of Valve
Corrosion Inhibitors No
Preparer Name S**** D****
Preparer Title Sr Pipeline Compliance Engineer
Preparer Email S******@e****.com
Preparer Telephone 713-381-6487
Prepared Date 2014-12-10 00:00:00
Authorizer Name S**** D****
Authorizer Telephone 713-381-6487
Authorizer Title Sr Pipeline Compliance Engineer
Authorizer Email S******@e****.com
Narrative A leak was reported at the enterprise west columbia station on 8/20/2011 at approximately 12:30pm. Genesis initailly accepted responsibility for the leak and clean up because they operated and leased this portion of pipe from enterprise. On 8/23/2011 - 16:50hrs - enterprise made notification to the nrc #986918 because genesis indicated that they would no longer be responsible for the leak or clean up. On 9/2/2011 enterprise officially took over the clean up but not the responsibility of the leak. Metallurgical anaylsis showed bending stresses around the flange neck. The composition of the casing that failed was also a contributing factor to the brittleness.

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