HL incident on 2018-11-01 — 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)
$500
Incident datetime
2018-11-01 04:47
Report number
Location
TX
Narrative
At 04:47 local pipeline and storage operating personnel at section 28 received multiple gas detector alarms from the lou tex ngl 12 inch pump area located near st. Martinville, louisiana. Operators confirmed a release had occurred and exited the operations building activating the emergency shut down while exiting the facility. After facilities were secured and company emergency personnel could re-enter the facility, it was discovered that a 1/2 inch piece of stainless steel thermal tubing had parted on the discharge line of pump p02. The area was isolated and all clear was given at 09:35. The laboratory evaluation determined failure of the tubing occurred by high cycle fatigue cracking. The tubing lines were reinstalled with additional supports and bracing. Enterprise products operating made a 48 hour notification to the nrc, nrc #1229267, on november 2, 2018 at 14:55 updating volume released and failure is a 1/2 inch stainless steel tubing on pump p02.
Detailed record list
Report Received Date
2018-11-30 00:00:00
Iyear
2018
Report Number
20180368
Supplemental Number
31586
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
2018-11-01 04:47:00
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
Isobutane
Unintentional Release Bbls
117
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
Operator Employee
Incident Identified Datetime
2018-11-01 04:47:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2018-11-01 04:50:00
Restart Datetime
2018-11-01 09:35:00
On Site Datetime
2018-11-01 04:47:00
Nrc Rpt Datetime
2018-11-01 06:00:00
Nrc Rpt Num
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Loutex Ngl 12" At Section 28 Storage Pump
Segment Name
Loutex Ngl 12"
Onshore State Abbreviation
La
Onshore Postal Code
70582
Onshore City Name
St. Martinville
Onshore County Name
St. Martin
Designated Location
Milepost/valve Station
Designated Name
Mp 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
Tubing
Installation Year
2000
Material Involved
Material Other Than Carbon Steel
Material Details
Stainless Steel
Release Type
Rupture
Rupture Orient
Circumferential
Rupture Width
0.5
Rupture Length
36
Wildlife Impact Ind
No
Soil Contamination
No
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
6000
Est Cost Prop Damage
500
Est Cost Emergency
2000
Est Cost Environmental
0
Est Cost Other
0
Prpty
8500
Accident Psig
800
Mop Psig
1440
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
Equipment Failure
Cause Details
Defective Or Loose Tubing Or Fitting
Eq Failure Type
Defective Or Loose Tubing Or Fitting
Additional Vibration Ind
Yes
Additional Support Ind
Yes
Additional Installation Ind
Yes
Preparer Name
N***** L* G*** J**
Preparer Title
Senior Pipeline Compliance Specialist
Preparer Email
N****@e****.com
Preparer Telephone
985-493-4629
Prepared Date
2019-01-31 00:00:00
Authorizer Name
N***** L* G*** J**
Authorizer Telephone
985-493-4629
Authorizer Title
Senior Pipeline Compliance Specialist
Authorizer Email
N****@e****.com
Narrative
At 04:47 local pipeline and storage operating personnel at section 28 received multiple gas detector alarms from the lou tex ngl 12 inch pump area located near st. Martinville, louisiana. Operators confirmed a release had occurred and exited the operations building activating the emergency shut down while exiting the facility. After facilities were secured and company emergency personnel could re-enter the facility, it was discovered that a 1/2 inch piece of stainless steel thermal tubing had parted on the discharge line of pump p02. The area was isolated and all clear was given at 09:35. The laboratory evaluation determined failure of the tubing occurred by high cycle fatigue cracking. The tubing lines were reinstalled with additional supports and bracing. Enterprise products operating made a 48 hour notification to the nrc, nrc #1229267, on november 2, 2018 at 14:55 updating volume released and failure is a 1/2 inch stainless steel tubing on pump p02.
Report Received Date 2018-11-30 00:00:00
Iyear 2018
Report Number 20180368
Supplemental Number 31586
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 2018-11-01 04:47:00
Location Latitude 30.221896 Google Maps OpenStreetMap
Location Longitude -91.767181 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 Isobutane
Unintentional Release Bbls 117
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 Operator Employee
Incident Identified Datetime 2018-11-01 04:47:00
System Part Involved Onshore Pump/meter Station Equipment And Piping
On Off Shore Onshore
Shutdown Due Accident Ind Yes
Shutdown Datetime 2018-11-01 04:50:00
Restart Datetime 2018-11-01 09:35:00
On Site Datetime 2018-11-01 04:47:00
Nrc Rpt Datetime 2018-11-01 06:00:00
Nrc Rpt Num 1229096 NRC Report How to search
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Pipe Fac Name Loutex Ngl 12" At Section 28 Storage Pump
Segment Name Loutex Ngl 12"
Onshore State Abbreviation La
Onshore Postal Code 70582
Onshore City Name St. Martinville
Onshore County Name St. Martin
Designated Location Milepost/valve Station
Designated Name Mp 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 Tubing
Installation Year 2000
Material Involved Material Other Than Carbon Steel
Material Details Stainless Steel
Release Type Rupture
Rupture Orient Circumferential
Rupture Width 0.5
Rupture Length 36
Wildlife Impact Ind No
Soil Contamination No
Long Term Assessment No
Remediation Ind No
Water Contam Ind No
Could Be Hca No
Commodity Reached Hca No
Est Cost Oper Paid 0
Est Cost Gas Released 6000
Est Cost Prop Damage 500
Est Cost Emergency 2000
Est Cost Environmental 0
Est Cost Other 0
Prpty 8500
Accident Psig 800
Mop Psig 1440
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 Equipment Failure
Cause Details Defective Or Loose Tubing Or Fitting
Eq Failure Type Defective Or Loose Tubing Or Fitting
Additional Vibration Ind Yes
Additional Support Ind Yes
Additional Installation Ind Yes
Preparer Name N***** L* G*** J**
Preparer Title Senior Pipeline Compliance Specialist
Preparer Email N****@e****.com
Preparer Telephone 985-493-4629
Prepared Date 2019-01-31 00:00:00
Authorizer Name N***** L* G*** J**
Authorizer Telephone 985-493-4629
Authorizer Title Senior Pipeline Compliance Specialist
Authorizer Email N****@e****.com
Narrative At 04:47 local pipeline and storage operating personnel at section 28 received multiple gas detector alarms from the lou tex ngl 12 inch pump area located near st. Martinville, louisiana. Operators confirmed a release had occurred and exited the operations building activating the emergency shut down while exiting the facility. After facilities were secured and company emergency personnel could re-enter the facility, it was discovered that a 1/2 inch piece of stainless steel thermal tubing had parted on the discharge line of pump p02. The area was isolated and all clear was given at 09:35. The laboratory evaluation determined failure of the tubing occurred by high cycle fatigue cracking. The tubing lines were reinstalled with additional supports and bracing. Enterprise products operating made a 48 hour notification to the nrc, nrc #1229267, on november 2, 2018 at 14:55 updating volume released and failure is a 1/2 inch stainless steel tubing on pump p02.

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