Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2020-10-14 — 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)
$200
Incident datetime
2020-10-14 07:44
Report number
Location
TX
Narrative
At 07:11 am, houston control center (hcc) received a hazardous gas alarm at the sulphur pump station. Hcc contacted field operations who were in the area performing other activities. At 07:44 am, enterprise field personnel arrived on site at the sulphur ngl pump station and found a leak near the sulphur ngl pump. Field personnel contacted hcc and the station was shut down at 07:46 am. Hcc then closed the valves upstream and downstream of the station. State police closed highway 1133 as a pre-caution due to potential product migration. The highway was reopened when the area was made safe at 08:50 am. At approximately 09:15 am, upon determination the event was considered significant due to the road closure, enterprise notified the nrc. Visual examination determined there was vibration induced by product flowing back through the check valve. The vibration cycling was resolved by flushing and greasing the valve, allowing it to seal properly; additionally, the failed tubing was replaced. The nrc 48 hour notification took place on october 15, 2020 at 20:06 central time, #1289911
Detailed record list
Report Received Date
2020-11-10 00:00:00
Iyear
2020
Report Number
20200303
Supplemental Number
34515
Report Type
Original 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
2020-10-14 07:11:00
Location Latitude
30.164743
Location Longitude
-93.351383
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
60
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
2020-10-14 07:44:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2020-10-14 07:46:00
Restart Datetime
2020-10-14 16:27:00
On Site Datetime
2020-10-14 07:44:00
Nrc Rpt Datetime
2020-10-14 09:41:00
Nrc Rpt Num
1289719
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Loutex 12" Ngl
Segment Name
24740
Onshore State Abbreviation
La
Onshore Postal Code
70665
Onshore City Name
Sulphur
Onshore County Name
Calcasieu
Designated Location
Milepost/valve Station
Designated Name
Mp 102.2
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
Interstate
Item Involved
Tubing
Installation Year
2000
Material Involved
Material Other Than Carbon Steel
Material Details
Stainless 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
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
1600
Est Cost Prop Damage
200
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
1800
Accident Psig
1220
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed 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
Yes
Scada Conf Ind
Yes
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
Controller action did not contribute to the accident.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Threaded Connection/coupling Failure
Eq Failure Type
Threaded Connection/coupling Failure
Other Stripped Ind
Threaded Fitting
Additional Vibration Ind
Yes
Preparer Name
N***** L* G*** J**
Preparer Title
Pipeline Compliance Specialist
Preparer Email
N****@e****.com
Preparer Telephone
985 493 4629
Prepared Date
2020-11-10 00:00:00
Authorizer Name
N*** T*****
Authorizer Telephone
713 381 2493
Authorizer Title
Compliance Manager
Authorizer Email
N*******@e****.com
Narrative
At 07:11 am, houston control center (hcc) received a hazardous gas alarm at the sulphur pump station. Hcc contacted field operations who were in the area performing other activities. At 07:44 am, enterprise field personnel arrived on site at the sulphur ngl pump station and found a leak near the sulphur ngl pump. Field personnel contacted hcc and the station was shut down at 07:46 am. Hcc then closed the valves upstream and downstream of the station. State police closed highway 1133 as a pre-caution due to potential product migration. The highway was reopened when the area was made safe at 08:50 am. At approximately 09:15 am, upon determination the event was considered significant due to the road closure, enterprise notified the nrc. Visual examination determined there was vibration induced by product flowing back through the check valve. The vibration cycling was resolved by flushing and greasing the valve, allowing it to seal properly; additionally, the failed tubing was replaced. The nrc 48 hour notification took place on october 15, 2020 at 20:06 central time, #1289911
| Report Received Date | 2020-11-10 00:00:00 |
|---|---|
| Iyear | 2020 |
| Report Number | 20200303 |
| Supplemental Number | 34515 |
| Report Type | Original 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 | 2020-10-14 07:11:00 |
| Location Latitude | 30.164743 Google Maps OpenStreetMap |
| Location Longitude | -93.351383 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 | 60 |
| 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 | 2020-10-14 07:44:00 |
| System Part Involved | Onshore Pump/meter Station Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2020-10-14 07:46:00 |
| Restart Datetime | 2020-10-14 16:27:00 |
| On Site Datetime | 2020-10-14 07:44:00 |
| Nrc Rpt Datetime | 2020-10-14 09:41:00 |
| Nrc Rpt Num | 1289719 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Loutex 12" Ngl |
| Segment Name | 24740 |
| Onshore State Abbreviation | La |
| Onshore Postal Code | 70665 |
| Onshore City Name | Sulphur |
| Onshore County Name | Calcasieu |
| Designated Location | Milepost/valve Station |
| Designated Name | Mp 102.2 |
| 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 | Interstate |
| Item Involved | Tubing |
| Installation Year | 2000 |
| Material Involved | Material Other Than Carbon Steel |
| Material Details | Stainless 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 | 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 | 1600 |
| Est Cost Prop Damage | 200 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 1800 |
| Accident Psig | 1220 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed 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 | Yes |
| Scada Conf Ind | Yes |
| 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 | Controller action did not contribute to the accident. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Threaded Connection/coupling Failure |
| Eq Failure Type | Threaded Connection/coupling Failure |
| Other Stripped Ind | Threaded Fitting |
| Additional Vibration Ind | Yes |
| Preparer Name | N***** L* G*** J** |
| Preparer Title | Pipeline Compliance Specialist |
| Preparer Email | N****@e****.com |
| Preparer Telephone | 985 493 4629 |
| Prepared Date | 2020-11-10 00:00:00 |
| Authorizer Name | N*** T***** |
| Authorizer Telephone | 713 381 2493 |
| Authorizer Title | Compliance Manager |
| Authorizer Email | N*******@e****.com |
| Narrative | At 07:11 am, houston control center (hcc) received a hazardous gas alarm at the sulphur pump station. Hcc contacted field operations who were in the area performing other activities. At 07:44 am, enterprise field personnel arrived on site at the sulphur ngl pump station and found a leak near the sulphur ngl pump. Field personnel contacted hcc and the station was shut down at 07:46 am. Hcc then closed the valves upstream and downstream of the station. State police closed highway 1133 as a pre-caution due to potential product migration. The highway was reopened when the area was made safe at 08:50 am. At approximately 09:15 am, upon determination the event was considered significant due to the road closure, enterprise notified the nrc. Visual examination determined there was vibration induced by product flowing back through the check valve. The vibration cycling was resolved by flushing and greasing the valve, allowing it to seal properly; additionally, the failed tubing was replaced. The nrc 48 hour notification took place on october 15, 2020 at 20:06 central time, #1289911 |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA