HL incident on 2012-04-16 — TX

Operator
Enterprise Products Operating Llc
Cause
Equipment Failure
Commodity
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$1,000
Incident datetime
2012-04-16 18:00
Report number
Location
TX
Narrative
Land owner notice bubbles coming up out of the ground in his pasture. This happened at 6:00 pm on april 16,2012. The location was just outside of stratton ridge station at mp 554.7 pipeline operations arrived on scene at 6:05 pm the leak was excavated and found that the bleeder valve used on a split "t" blind flange was leaking through the threads. The area between the completion plug on the split "t" and the blind flanged did not blow down. The bleeder valve was tightened up and the leak reduced to a minor seep. A tor was then welded onto the blind thus encaplsulating the bleeder valve. The tor was then plugged and capped. Service was resumed on april 17, 2012 at 9:30 am. Final soil remediation was completed 9/24/2012 and he line was backfilled. No further actions will be necessary. Approximately 3 bbl of y-grade was released.
Detailed record list
Report Received Date
2012-05-11 00:00:00
Iyear
2012
Report Number
20120151
Supplemental Number
16973
Report Type
Supplemental Final
Operator Id
Name
Enterprise Products Operating Llc
Operator Street Address
1100 Louisiana Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2012-04-16 18:00:00
Location Latitude
Location Longitude
-95.35065556
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Other Hvl
Commodity Details
Y-Grade
Unintentional Release Bbls
3
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Incident Identified Datetime
2012-04-16 18:00:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2012-04-16 18:00:00
Restart Datetime
2012-04-17 09:30:00
On Site Datetime
2012-04-16 18:05:00
Nrc Rpt Datetime
2012-04-16 19:55:00
Nrc Rpt Num
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Seminole
Segment Name
Gaines Station To Adams Junction
Onshore State Abbreviation
Tx
Onshore Postal Code
77531
Onshore City Name
Clute, Tx
Onshore County Name
Brazoria
Designated Location
Milepost/valve Station
Designated Name
554.7
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Pipe Facility Type
Intrastate
Item Involved
Valve
Valve Type
Auxiliary Or Other Valve
Release Type
Leak
Leak Type
Other
Leak Type Other
Threading
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
Yes
Usa Drinking Ind
Yes
Usa Drinking Yes No
Yes
Est Cost Oper Paid
1000
Est Cost Gas Released
70
Est Cost Prop Damage
1000
Est Cost Emergency
25000
Est Cost Environmental
12000
Est Cost Other
0
Prpty
39070
Pipeline Function
> 20% Smys Regulated Transmission
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Threaded Connection/coupling Failure
Eq Failure Type
Threaded Connection/coupling Failure
Preparer Name
J**** P F******
Preparer Title
Pipeline Compliance Engineer
Preparer Email
J********@e****.com
Preparer Telephone
713-381-3824
Prepared Date
2012-10-23 00:00:00
Authorizer Name
J**** P F******
Authorizer Telephone
713-381-3824
Authorizer Title
Pipeline Compliance Engineer
Authorizer Email
J********@e****.com
Narrative
Land owner notice bubbles coming up out of the ground in his pasture. This happened at 6:00 pm on april 16,2012. The location was just outside of stratton ridge station at mp 554.7 pipeline operations arrived on scene at 6:05 pm the leak was excavated and found that the bleeder valve used on a split "t" blind flange was leaking through the threads. The area between the completion plug on the split "t" and the blind flanged did not blow down. The bleeder valve was tightened up and the leak reduced to a minor seep. A tor was then welded onto the blind thus encaplsulating the bleeder valve. The tor was then plugged and capped. Service was resumed on april 17, 2012 at 9:30 am. Final soil remediation was completed 9/24/2012 and he line was backfilled. No further actions will be necessary. Approximately 3 bbl of y-grade was released.
Report Received Date 2012-05-11 00:00:00
Iyear 2012
Report Number 20120151
Supplemental Number 16973
Report Type Supplemental Final
Operator Id 31618 PHMSA Enforcement
Name Enterprise Products Operating Llc
Operator Street Address 1100 Louisiana Street
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Local Datetime 2012-04-16 18:00:00
Location Latitude 29.06023333 Google Maps OpenStreetMap
Location Longitude -95.35065556 Google Maps OpenStreetMap
Commodity Released Type Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype Other Hvl
Commodity Details Y-Grade
Unintentional Release Bbls 3
Intentional Release Bbls 0
Recovered Bbls 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Incident Identified Datetime 2012-04-16 18:00:00
System Part Involved Onshore Pipeline, Including Valve Sites
On Off Shore Onshore
Shutdown Due Accident Ind Yes
Shutdown Datetime 2012-04-16 18:00:00
Restart Datetime 2012-04-17 09:30:00
On Site Datetime 2012-04-16 18:05:00
Nrc Rpt Datetime 2012-04-16 19:55:00
Nrc Rpt Num 1008890 NRC Report How to search
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Pipe Fac Name Seminole
Segment Name Gaines Station To Adams Junction
Onshore State Abbreviation Tx
Onshore Postal Code 77531
Onshore City Name Clute, Tx
Onshore County Name Brazoria
Designated Location Milepost/valve Station
Designated Name 554.7
Federal No
Location Type Pipeline Right-Of-Way
Incident Area Type Underground
Pipe Facility Type Intrastate
Item Involved Valve
Valve Type Auxiliary Or Other Valve
Release Type Leak
Leak Type Other
Leak Type Other Threading
Water Contam Ind No
Could Be Hca Yes
Commodity Reached Hca Yes
Usa Drinking Ind Yes
Usa Drinking Yes No Yes
Est Cost Oper Paid 1000
Est Cost Gas Released 70
Est Cost Prop Damage 1000
Est Cost Emergency 25000
Est Cost Environmental 12000
Est Cost Other 0
Prpty 39070
Pipeline Function > 20% Smys Regulated Transmission
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Equipment Failure
Cause Details Threaded Connection/coupling Failure
Eq Failure Type Threaded Connection/coupling Failure
Preparer Name J**** P F******
Preparer Title Pipeline Compliance Engineer
Preparer Email J********@e****.com
Preparer Telephone 713-381-3824
Prepared Date 2012-10-23 00:00:00
Authorizer Name J**** P F******
Authorizer Telephone 713-381-3824
Authorizer Title Pipeline Compliance Engineer
Authorizer Email J********@e****.com
Narrative Land owner notice bubbles coming up out of the ground in his pasture. This happened at 6:00 pm on april 16,2012. The location was just outside of stratton ridge station at mp 554.7 pipeline operations arrived on scene at 6:05 pm the leak was excavated and found that the bleeder valve used on a split "t" blind flange was leaking through the threads. The area between the completion plug on the split "t" and the blind flanged did not blow down. The bleeder valve was tightened up and the leak reduced to a minor seep. A tor was then welded onto the blind thus encaplsulating the bleeder valve. The tor was then plugged and capped. Service was resumed on april 17, 2012 at 9:30 am. Final soil remediation was completed 9/24/2012 and he line was backfilled. No further actions will be necessary. Approximately 3 bbl of y-grade was released.

All rights reserved. Copyright © by ClearPHMSA