HL incident on 2016-11-02 — TX

Operator
Exxonmobil Pipeline Co
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)
$100
Incident datetime
2016-11-02 05:05
Report number
Location
TX
Narrative
At approximate 05:00 am on november 11, 2016, an exxonmobil baton rouge chemical plant employee noticed a small ice ball with vapors coming from empco's blue water ethane scraper trap valve #2429. Notifications were made and the system was shut-in. At 06:15 am an empco employee arrived and installed stick packing to stop the release. An investigation determined approximatlly 0.143 bbls (6 gallons) of ethane was released.
Detailed record list
Report Received Date
2016-12-01 00:00:00
Iyear
2016
Report Number
20160397
Supplemental Number
32122
Report Type
Supplemental Final
Operator Id
Name
Exxonmobil Pipeline Co
Operator Street Address
22777 Springwoods Village Parkway E2.2b-Emp
Operator City Name
Spring
Operator State Abbreviation
TX
Operator Postal Code
77389
Local Datetime
2016-11-02 05:00:00
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
Ethane
Unintentional Release Bbls
0.14
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Notification From Third Party That Caused The Accident
Incident Identified Datetime
2016-11-02 05:05:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2016-11-02 05:05:00
Restart Datetime
2016-11-02 08:00:00
On Site Datetime
2016-11-02 06:16:00
Nrc Rpt Datetime
2016-11-02 05:05:00
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
Blue Water Ethane - Baton Rouge Chemical Plant
Segment Name
Blue Water Ethane - Baton Rouge Chemical Plant
Onshore State Abbreviation
La
Onshore Postal Code
70729
Onshore City Name
Port Allen
Onshore County Name
West Baton Rouge
Designated Location
Milepost/valve Station
Designated Name
2951+73
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Valve
Valve Type
Mainline
Valve Mainline Type
Gate
Valve Manufacturer
M&j
Installation Year
Unknown
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Seal Or Packing
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
Yes
High Pop Ind
Yes
High Pop Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
0
Est Cost Prop Damage
100
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
100
Accident Psig
500
Mop Psig
1450
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
34904
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
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
Valve packing leak.
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
Seal (Not Pump Seal) Or Packing
Eq Additional Other Ind
Yes
Eq Additional Other Details
Valve Packing Failure
Preparer Name
K***** L Y****
Preparer Title
Pipeline Safety Compliance Advisor
Preparer Email
K*************@e*********.com
Preparer Telephone
225-324-3055
Prepared Date
2019-05-13 00:00:00
Authorizer Name
M*** D W******
Authorizer Telephone
832-624-7868
Authorizer Title
America's Zone Sshe Manager
Authorizer Email
M*************@e*********.com
Narrative
At approximate 05:00 am on november 11, 2016, an exxonmobil baton rouge chemical plant employee noticed a small ice ball with vapors coming from empco's blue water ethane scraper trap valve #2429. Notifications were made and the system was shut-in. At 06:15 am an empco employee arrived and installed stick packing to stop the release. An investigation determined approximatlly 0.143 bbls (6 gallons) of ethane was released.
Report Received Date 2016-12-01 00:00:00
Iyear 2016
Report Number 20160397
Supplemental Number 32122
Report Type Supplemental Final
Operator Id 4906 PHMSA Enforcement
Name Exxonmobil Pipeline Co
Operator Street Address 22777 Springwoods Village Parkway E2.2b-Emp
Operator City Name Spring
Operator State Abbreviation TX
Operator Postal Code 77389
Local Datetime 2016-11-02 05:00:00
Location Latitude 30.484345 Google Maps OpenStreetMap
Location Longitude -91.203808 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 Ethane
Unintentional Release Bbls 0.14
Intentional Release Bbls 0
Recovered Bbls 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Notification From Third Party That Caused The Accident
Incident Identified Datetime 2016-11-02 05:05:00
System Part Involved Onshore Pipeline, Including Valve Sites
On Off Shore Onshore
Shutdown Due Accident Ind Yes
Shutdown Datetime 2016-11-02 05:05:00
Restart Datetime 2016-11-02 08:00:00
On Site Datetime 2016-11-02 06:16:00
Nrc Rpt Datetime 2016-11-02 05:05:00
Nrc Rpt Num 1163076 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 Blue Water Ethane - Baton Rouge Chemical Plant
Segment Name Blue Water Ethane - Baton Rouge Chemical Plant
Onshore State Abbreviation La
Onshore Postal Code 70729
Onshore City Name Port Allen
Onshore County Name West Baton Rouge
Designated Location Milepost/valve Station
Designated Name 2951+73
Federal No
Location Type Totally Contained On Operator-Controlled Property
Incident Area Type Aboveground
Incident Area Subtype Typical Aboveground Facility Piping Or Appurtenance
Crossing No
Pipe Facility Type Intrastate
Item Involved Valve
Valve Type Mainline
Valve Mainline Type Gate
Valve Manufacturer M&j
Installation Year Unknown
Manufactured Year Unknown
Material Involved Carbon Steel
Release Type Leak
Leak Type Seal Or Packing
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 Yes
High Pop Ind Yes
High Pop Yes No Yes
Est Cost Oper Paid 0
Est Cost Gas Released 0
Est Cost Prop Damage 100
Est Cost Emergency 0
Est Cost Environmental 0
Est Cost Other 0
Prpty 100
Accident Psig 500
Mop Psig 1450
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
Length Segment Isolated 34904
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 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 Valve packing leak.
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 Seal (Not Pump Seal) Or Packing
Eq Additional Other Ind Yes
Eq Additional Other Details Valve Packing Failure
Preparer Name K***** L Y****
Preparer Title Pipeline Safety Compliance Advisor
Preparer Email K*************@e*********.com
Preparer Telephone 225-324-3055
Prepared Date 2019-05-13 00:00:00
Authorizer Name M*** D W******
Authorizer Telephone 832-624-7868
Authorizer Title America's Zone Sshe Manager
Authorizer Email M*************@e*********.com
Narrative At approximate 05:00 am on november 11, 2016, an exxonmobil baton rouge chemical plant employee noticed a small ice ball with vapors coming from empco's blue water ethane scraper trap valve #2429. Notifications were made and the system was shut-in. At 06:15 am an empco employee arrived and installed stick packing to stop the release. An investigation determined approximatlly 0.143 bbls (6 gallons) of ethane was released.

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