HL incident on 2010-06-08 — TX

Operator
Shell Pipeline Co., L.p.
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)
Incident datetime
2010-06-08 10:13
Report number
Location
TX
Narrative
While launching an ili tool, the ili tool snagged the spiral wound gasket, unwinding the gasket until it lost integrity to seal the flange set.
Detailed record list
Report Received Date
2010-07-01 00:00:00
Iyear
2010
Report Number
20100135
Supplemental Number
15361
Report Type
Supplemental Final
Operator Id
Name
Shell Pipeline Co., L.p.
Operator Street Address
150 North Dairy Ashford Road Wck Bldg. A
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77079
Local Datetime
2010-06-08 10:13:00
Location Latitude
Location Longitude
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Other Hvl
Commodity Details
Propylene
Unintentional Release Bbls
10.7
Intentional Release Bbls
0
Recovered Bbls
0
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
2010-06-08 10:13:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2010-06-08 10:14:00
Restart Datetime
2010-06-08 14:00:00
On Site Datetime
2010-06-08 10:13:00
Nrc Rpt Datetime
2010-06-08 14:03:00
Nrc Rpt Num
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Automatic
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Norco - Sorrento Propylene
Segment Name
Norco - Sorrento Propylene 6"
Onshore State Abbreviation
La
Onshore Postal Code
70079
Onshore City Name
Norco
Onshore County Name
St. Charles
Designated Location
Milepost/valve Station
Designated Name
0
Federal
No
Location Type
Originated On Operator-Controlled Property, But Then Flowed Or Migrated Off The Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Scraper/pig Trap
Installation Year
2010
Material Involved
Material Other Than Carbon Steel
Material Details
Spiral Wound Metal Gasket
Release Type
Leak
Leak Type
Connection Failure
Wildlife Impact Ind
No
Soil Contamination
No
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
No
Est Cost Gas Released
784
Prpty
784
Accident Psig
1600
Mop Psig
2060
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
2820
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
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
The local personnel was launching an ili tool at time of gasket failure.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Non-Threaded Connection Failure
Eq Failure Type
Non-Threaded Connection Failure
Other Non Threaded Ind
Gasket
Additional Installation Ind
Yes
Ief Addl Misalignment Ind
Yes
Preparer Name
R****** K*****
Preparer Title
Asset Integrity Specialist
Preparer Email
R*************@s****.com
Preparer Telephone
7132411064
Preparer Fax
7132412997
Prepared Date
2010-11-10 00:00:00
Authorizer Name
B**** S*******
Authorizer Telephone
7132413620
Authorizer Title
Integrity And Regulatory Services Manager
Authorizer Email
B*************@s****.com
Narrative
While launching an ili tool, the ili tool snagged the spiral wound gasket, unwinding the gasket until it lost integrity to seal the flange set.
Report Received Date 2010-07-01 00:00:00
Iyear 2010
Report Number 20100135
Supplemental Number 15361
Report Type Supplemental Final
Operator Id 31174 PHMSA Enforcement
Name Shell Pipeline Co., L.p.
Operator Street Address 150 North Dairy Ashford Road Wck Bldg. A
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77079
Local Datetime 2010-06-08 10:13:00
Location Latitude 30.0124001 Google Maps OpenStreetMap
Location Longitude -90.4019001 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 Propylene
Unintentional Release Bbls 10.7
Intentional Release Bbls 0
Recovered Bbls 0
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 2010-06-08 10:13:00
System Part Involved Onshore Pipeline, Including Valve Sites
On Off Shore Onshore
Shutdown Due Accident Ind Yes
Shutdown Datetime 2010-06-08 10:14:00
Restart Datetime 2010-06-08 14:00:00
On Site Datetime 2010-06-08 10:13:00
Nrc Rpt Datetime 2010-06-08 14:03:00
Nrc Rpt Num 943258 NRC Report How to search
Ignite Ind No
Explode Ind No
Upstream Valve Type Ind Automatic
Downstream Valve Type Ind Manual
Num Pub Evacuated 0
Pipe Fac Name Norco - Sorrento Propylene
Segment Name Norco - Sorrento Propylene 6"
Onshore State Abbreviation La
Onshore Postal Code 70079
Onshore City Name Norco
Onshore County Name St. Charles
Designated Location Milepost/valve Station
Designated Name 0
Federal No
Location Type Originated On Operator-Controlled Property, But Then Flowed Or Migrated Off The Property
Incident Area Type Aboveground
Incident Area Subtype Typical Aboveground Facility Piping Or Appurtenance
Crossing No
Pipe Facility Type Interstate
Item Involved Scraper/pig Trap
Installation Year 2010
Material Involved Material Other Than Carbon Steel
Material Details Spiral Wound Metal Gasket
Release Type Leak
Leak Type Connection Failure
Wildlife Impact Ind No
Soil Contamination No
Long Term Assessment No
Remediation Ind No
Water Contam Ind No
Could Be Hca Yes
Commodity Reached Hca No
Est Cost Gas Released 784
Prpty 784
Accident Psig 1600
Mop Psig 2060
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
Length Segment Isolated 2820
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 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 The local personnel was launching an ili tool at time of gasket failure.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Equipment Failure
Cause Details Non-Threaded Connection Failure
Eq Failure Type Non-Threaded Connection Failure
Other Non Threaded Ind Gasket
Additional Installation Ind Yes
Ief Addl Misalignment Ind Yes
Preparer Name R****** K*****
Preparer Title Asset Integrity Specialist
Preparer Email R*************@s****.com
Preparer Telephone 7132411064
Preparer Fax 7132412997
Prepared Date 2010-11-10 00:00:00
Authorizer Name B**** S*******
Authorizer Telephone 7132413620
Authorizer Title Integrity And Regulatory Services Manager
Authorizer Email B*************@s****.com
Narrative While launching an ili tool, the ili tool snagged the spiral wound gasket, unwinding the gasket until it lost integrity to seal the flange set.

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