Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2018-11-06 — 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
2018-11-06 18:40
Report number
Location
TX
Narrative
On 11/06/2018 at 18:40, baytown operations personnel noticed a small leak on sm102 pig trap closure mechanism inside the facility. Pipeline control was notified and closed a valve to isolate the pig trap. At 19:20, a pipeline technician depressurized the pig trap and inspected the closure mechanism to find the o-ring had failed. Visual examination of the o-ring indicates it broke where the ends of the o-ring was fused. To prevent recurrence, a td williams o-ring was installed on the td williams closure on 11/07/2018 on 11/06/2018 at 20:45, enterprise determined the release was a reportable accident based on the estimated volume release exceeding five (5) gallons. The trrc was called on 11/06/2018 at 21:10 hrs, incident #1876.
Detailed record list
Report Received Date
2018-12-03 00:00:00
Iyear
2018
Report Number
20180374
Supplemental Number
31853
Report Type
Supplemental Final
Operator Id
31618
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
2018-11-06 18:40:00
Location Latitude
29.76709
Location Longitude
-95.01199
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
1
Intentional Release Bbls
10
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
2018-11-06 18:40:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
Pipeline Control Isolated Pig Trap
On Site Datetime
2018-11-06 18:40:00
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Automatic
Downstream Valve Type Ind
Automatic
Num Pub Evacuated
0
Pipe Fac Name
Shoup To Mont Belvieu
Segment Name
Sm102
Onshore State Abbreviation
Tx
Onshore Postal Code
77520
Onshore City Name
Baytown
Onshore County Name
Harris
Designated Location
Milepost/valve Station
Designated Name
10.33
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
Scraper/pig Trap
Installation Year
2014
Material Involved
Material Other Than Carbon Steel
Material Details
Viton O-Ring
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
Other Pop Ind
Yes
Other Pop Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
1000
Est Cost Prop Damage
500
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
1500
Accident Psig
1220
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
60
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
Pig trap closure mechanism is a manual operation.
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
O-Ring
Eq Additional Other Ind
Yes
Eq Additional Other Details
O-Ring Failed Where The Ends Were Fused.
Preparer Name
N*** B******
Preparer Title
Sr. Pipeline Compliance Specialist
Preparer Email
W********@e****.com
Preparer Telephone
7133813536
Prepared Date
2019-03-27 00:00:00
Authorizer Name
N*** T*****
Authorizer Telephone
7133812493
Authorizer Title
Compliance Manager
Authorizer Email
T*******@e****.com
Narrative
On 11/06/2018 at 18:40, baytown operations personnel noticed a small leak on sm102 pig trap closure mechanism inside the facility. Pipeline control was notified and closed a valve to isolate the pig trap. At 19:20, a pipeline technician depressurized the pig trap and inspected the closure mechanism to find the o-ring had failed. Visual examination of the o-ring indicates it broke where the ends of the o-ring was fused. To prevent recurrence, a td williams o-ring was installed on the td williams closure on 11/07/2018 on 11/06/2018 at 20:45, enterprise determined the release was a reportable accident based on the estimated volume release exceeding five (5) gallons. The trrc was called on 11/06/2018 at 21:10 hrs, incident #1876.
| Report Received Date | 2018-12-03 00:00:00 |
|---|---|
| Iyear | 2018 |
| Report Number | 20180374 |
| Supplemental Number | 31853 |
| 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 | 2018-11-06 18:40:00 |
| Location Latitude | 29.76709 Google Maps OpenStreetMap |
| Location Longitude | -95.01199 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 | 1 |
| Intentional Release Bbls | 10 |
| 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 | 2018-11-06 18:40:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Pipeline Control Isolated Pig Trap |
| On Site Datetime | 2018-11-06 18:40:00 |
| Nrc Rpt Num | Nrc Notification Not Required 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 | Shoup To Mont Belvieu |
| Segment Name | Sm102 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77520 |
| Onshore City Name | Baytown |
| Onshore County Name | Harris |
| Designated Location | Milepost/valve Station |
| Designated Name | 10.33 |
| 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 | Scraper/pig Trap |
| Installation Year | 2014 |
| Material Involved | Material Other Than Carbon Steel |
| Material Details | Viton O-Ring |
| 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 |
| Other Pop Ind | Yes |
| Other Pop Yes No | Yes |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 1000 |
| Est Cost Prop Damage | 500 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 1500 |
| Accident Psig | 1220 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 60 |
| 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 | Pig trap closure mechanism is a manual operation. |
| 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 | O-Ring |
| Eq Additional Other Ind | Yes |
| Eq Additional Other Details | O-Ring Failed Where The Ends Were Fused. |
| Preparer Name | N*** B****** |
| Preparer Title | Sr. Pipeline Compliance Specialist |
| Preparer Email | W********@e****.com |
| Preparer Telephone | 7133813536 |
| Prepared Date | 2019-03-27 00:00:00 |
| Authorizer Name | N*** T***** |
| Authorizer Telephone | 7133812493 |
| Authorizer Title | Compliance Manager |
| Authorizer Email | T*******@e****.com |
| Narrative | On 11/06/2018 at 18:40, baytown operations personnel noticed a small leak on sm102 pig trap closure mechanism inside the facility. Pipeline control was notified and closed a valve to isolate the pig trap. At 19:20, a pipeline technician depressurized the pig trap and inspected the closure mechanism to find the o-ring had failed. Visual examination of the o-ring indicates it broke where the ends of the o-ring was fused. To prevent recurrence, a td williams o-ring was installed on the td williams closure on 11/07/2018 on 11/06/2018 at 20:45, enterprise determined the release was a reportable accident based on the estimated volume release exceeding five (5) gallons. The trrc was called on 11/06/2018 at 21:10 hrs, incident #1876. |
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