Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2019-05-16 — 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)
$1,200,000
Incident datetime
2019-05-16 17:20
Report number
Location
TX
Narrative
On 5/16/19, enterprise pipeline technician observed vapor coming from the isolation valve flange from the mainline to a future pump station. The technician checked the piping pressure and discovered that the pressure exceeded mop. Piping segment was blown down and the closed segment of station piping was opened. During the investigation it was discovered that the valve body cavity thermal relief system had been installed to relieve into the closed segment of station piping rather than the mainline. The decision was made to replace the valve which triggered the nrc reporting criteria for costs exceeding $50,000. Initial nrc notification made on 5/20/19 is #1246279 and 48 hour nrc update made on 5/22/19 is #1246508.
Detailed record list
Report Received Date
2019-06-19 00:00:00
Iyear
2019
Report Number
20190197
Supplemental Number
33612
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
2019-05-16 17:20:00
Location Latitude
30.4149
Location Longitude
-95.3253
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
0.1
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
2019-05-16 17:20:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
The Affected Pump Station Was Isolated From The Pipeline.
On Site Datetime
2019-05-16 17:20:00
Nrc Rpt Datetime
2019-05-20 17:01:00
Nrc Rpt Num
1246279
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Willis Pump Station
Segment Name
Line Number 1050 Shin Oak Pipeline
Onshore State Abbreviation
Tx
Onshore Postal Code
77378
Onshore City Name
Willis
Onshore County Name
Montgomery
Designated Location
Survey Station No.
Designated Name
30107+99
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
Flange Assembly
Installation Year
2019
Material Involved
Carbon Steel
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
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
3
Est Cost Prop Damage
1200000
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
1200003
Accident Psig
2695
Mop Psig
1480
Accident Pressure
Pressure Exceeded 110% Of Mop
Pressure Restriction 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
Neither controller nor control room were a contributing factor.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Pump Or Pump-Related Equipment
Eq Failure Type
Pump Or Pump-Related Equipment
Other Pump Ind
Other
Other Pump Details
Isolation Valve For Future Pump Station
Additional Overpressure Ind
Yes
Additional Installation Ind
Yes
Preparer Name
T****** A* G********
Preparer Title
Senior Staff Pipeline Compliance Engineer
Preparer Email
T**********@e****.com
Preparer Telephone
713-381-6433
Prepared Date
2020-04-17 00:00:00
Authorizer Name
T****** A* G********
Authorizer Telephone
713-381-6433
Authorizer Title
Senior Staff Pipeline Compliance Engineer
Authorizer Email
T**********@e****.com
Narrative
On 5/16/19, enterprise pipeline technician observed vapor coming from the isolation valve flange from the mainline to a future pump station. The technician checked the piping pressure and discovered that the pressure exceeded mop. Piping segment was blown down and the closed segment of station piping was opened. During the investigation it was discovered that the valve body cavity thermal relief system had been installed to relieve into the closed segment of station piping rather than the mainline. The decision was made to replace the valve which triggered the nrc reporting criteria for costs exceeding $50,000. Initial nrc notification made on 5/20/19 is #1246279 and 48 hour nrc update made on 5/22/19 is #1246508.
| Report Received Date | 2019-06-19 00:00:00 |
|---|---|
| Iyear | 2019 |
| Report Number | 20190197 |
| Supplemental Number | 33612 |
| 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 | 2019-05-16 17:20:00 |
| Location Latitude | 30.4149 Google Maps OpenStreetMap |
| Location Longitude | -95.3253 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 | 0.1 |
| 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 | 2019-05-16 17:20:00 |
| System Part Involved | Onshore Pump/meter Station Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | The Affected Pump Station Was Isolated From The Pipeline. |
| On Site Datetime | 2019-05-16 17:20:00 |
| Nrc Rpt Datetime | 2019-05-20 17:01:00 |
| Nrc Rpt Num | 1246279 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Willis Pump Station |
| Segment Name | Line Number 1050 Shin Oak Pipeline |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77378 |
| Onshore City Name | Willis |
| Onshore County Name | Montgomery |
| Designated Location | Survey Station No. |
| Designated Name | 30107+99 |
| 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 | Flange Assembly |
| Installation Year | 2019 |
| Material Involved | Carbon Steel |
| 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 | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 3 |
| Est Cost Prop Damage | 1200000 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 1200003 |
| Accident Psig | 2695 |
| Mop Psig | 1480 |
| Accident Pressure | Pressure Exceeded 110% Of Mop |
| Pressure Restriction 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 | Neither controller nor control room were a contributing factor. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Pump Or Pump-Related Equipment |
| Eq Failure Type | Pump Or Pump-Related Equipment |
| Other Pump Ind | Other |
| Other Pump Details | Isolation Valve For Future Pump Station |
| Additional Overpressure Ind | Yes |
| Additional Installation Ind | Yes |
| Preparer Name | T****** A* G******** |
| Preparer Title | Senior Staff Pipeline Compliance Engineer |
| Preparer Email | T**********@e****.com |
| Preparer Telephone | 713-381-6433 |
| Prepared Date | 2020-04-17 00:00:00 |
| Authorizer Name | T****** A* G******** |
| Authorizer Telephone | 713-381-6433 |
| Authorizer Title | Senior Staff Pipeline Compliance Engineer |
| Authorizer Email | T**********@e****.com |
| Narrative | On 5/16/19, enterprise pipeline technician observed vapor coming from the isolation valve flange from the mainline to a future pump station. The technician checked the piping pressure and discovered that the pressure exceeded mop. Piping segment was blown down and the closed segment of station piping was opened. During the investigation it was discovered that the valve body cavity thermal relief system had been installed to relieve into the closed segment of station piping rather than the mainline. The decision was made to replace the valve which triggered the nrc reporting criteria for costs exceeding $50,000. Initial nrc notification made on 5/20/19 is #1246279 and 48 hour nrc update made on 5/22/19 is #1246508. |
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