Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2017-09-26 — TX
Operator
Energy Transfer Company
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
2017-09-26 06:18
Report number
Location
TX
Narrative
At approximately 0618 hours on tuesday, sept. 26th, energy transfer(etc) liquids control received a call from a west texas gas (customer) plant operator who noticed a relief valve relieving product at the etc meter station. Liquids control then contacted field personnel to investigate. Operations arrived at the site at 0658 hours and found a 1/2" thermal relief valve on the metering station venting. He isolated the relief valve at 0700 hours. The station and pipeline were not taken out of service. Further investigation concluded that the relieve valve malfunctioned and prematurely released at 1284 psig. When the station flow rate increased. The relief valve did not reseat. Liquids control confirmed pressure on the system to be 1284 psig at the time of the release. A new relief valve was tested and installed the same day. To prevent similar reoccurrences, local operations tested other thermal relief valves in it's area.
Detailed record list
Report Received Date
2017-11-03 00:00:00
Iyear
2017
Report Number
20170356
Supplemental Number
22849
Report Type
Supplemental Final
Operator Id
32099
Name
Energy Transfer Company
Operator Street Address
1300 Main Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2017-09-26 06:18:00
Location Latitude
32.21106
Location Longitude
-101.93433
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid)
Unintentional Release Bbls
42
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Other
Accident Details
Notification From Customer ( West Tx Gas Operator)
Incident Identified Datetime
2017-09-26 06:18:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
Leak Occured On Relief Valve At Meter Station, Line Never Taken Out Of Service
On Site Datetime
2017-09-26 06:58:00
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Sales Ranch To Baden Storage
Segment Name
S295
Onshore State Abbreviation
Tx
Onshore Postal Code
79749
Onshore City Name
Grady
Onshore County Name
Martin
Designated Location
Survey Station No.
Designated Name
Station 0+00
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
Relief Valve
Installation Year
2012
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Thermal Relief Valve Prematurely Relieved At 1284 Psig
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
1260
Est Cost Prop Damage
200
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
1460
Accident Psig
1284
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
No
Scada Conf Ind
Yes
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
Controllers actions were appropriate with what was expected in this event
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Malfunction Of Control/relief Equipment
Eq Failure Type
Malfunction Of Control/relief Equipment
Relief Valve Ind
Yes
Additional Defect Ind
Yes
Preparer Name
C**** K*****
Preparer Title
Manager - Intrastate Regulatory Compliance
Preparer Email
C***********@e*************.com
Preparer Telephone
979-531-9036
Prepared Date
2017-11-30 00:00:00
Authorizer Name
D**** N******
Authorizer Telephone
713-989-7232
Authorizer Title
Sr. Director - Regulatory Compliance
Authorizer Email
D************@e*************.com
Narrative
At approximately 0618 hours on tuesday, sept. 26th, energy transfer(etc) liquids control received a call from a west texas gas (customer) plant operator who noticed a relief valve relieving product at the etc meter station. Liquids control then contacted field personnel to investigate. Operations arrived at the site at 0658 hours and found a 1/2" thermal relief valve on the metering station venting. He isolated the relief valve at 0700 hours. The station and pipeline were not taken out of service. Further investigation concluded that the relieve valve malfunctioned and prematurely released at 1284 psig. When the station flow rate increased. The relief valve did not reseat. Liquids control confirmed pressure on the system to be 1284 psig at the time of the release. A new relief valve was tested and installed the same day. To prevent similar reoccurrences, local operations tested other thermal relief valves in it's area.
| Report Received Date | 2017-11-03 00:00:00 |
|---|---|
| Iyear | 2017 |
| Report Number | 20170356 |
| Supplemental Number | 22849 |
| Report Type | Supplemental Final |
| Operator Id | 32099 PHMSA Enforcement |
| Name | Energy Transfer Company |
| Operator Street Address | 1300 Main Street |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2017-09-26 06:18:00 |
| Location Latitude | 32.21106 Google Maps OpenStreetMap |
| Location Longitude | -101.93433 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Commodity Subtype | Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid) |
| Unintentional Release Bbls | 42 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Other |
| Accident Details | Notification From Customer ( West Tx Gas Operator) |
| Incident Identified Datetime | 2017-09-26 06:18:00 |
| System Part Involved | Onshore Pump/meter Station Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Leak Occured On Relief Valve At Meter Station, Line Never Taken Out Of Service |
| On Site Datetime | 2017-09-26 06:58:00 |
| Nrc Rpt Num | Nrc Notification Not Required NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Sales Ranch To Baden Storage |
| Segment Name | S295 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 79749 |
| Onshore City Name | Grady |
| Onshore County Name | Martin |
| Designated Location | Survey Station No. |
| Designated Name | Station 0+00 |
| 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 | Relief Valve |
| Installation Year | 2012 |
| Material Involved | Carbon Steel |
| Release Type | Other |
| Release Type Details | Thermal Relief Valve Prematurely Relieved At 1284 Psig |
| 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 | 1260 |
| Est Cost Prop Damage | 200 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 1460 |
| Accident Psig | 1284 |
| 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 | No |
| Scada Conf Ind | Yes |
| 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 | Controllers actions were appropriate with what was expected in this event |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Malfunction Of Control/relief Equipment |
| Eq Failure Type | Malfunction Of Control/relief Equipment |
| Relief Valve Ind | Yes |
| Additional Defect Ind | Yes |
| Preparer Name | C**** K***** |
| Preparer Title | Manager - Intrastate Regulatory Compliance |
| Preparer Email | C***********@e*************.com |
| Preparer Telephone | 979-531-9036 |
| Prepared Date | 2017-11-30 00:00:00 |
| Authorizer Name | D**** N****** |
| Authorizer Telephone | 713-989-7232 |
| Authorizer Title | Sr. Director - Regulatory Compliance |
| Authorizer Email | D************@e*************.com |
| Narrative | At approximately 0618 hours on tuesday, sept. 26th, energy transfer(etc) liquids control received a call from a west texas gas (customer) plant operator who noticed a relief valve relieving product at the etc meter station. Liquids control then contacted field personnel to investigate. Operations arrived at the site at 0658 hours and found a 1/2" thermal relief valve on the metering station venting. He isolated the relief valve at 0700 hours. The station and pipeline were not taken out of service. Further investigation concluded that the relieve valve malfunctioned and prematurely released at 1284 psig. When the station flow rate increased. The relief valve did not reseat. Liquids control confirmed pressure on the system to be 1284 psig at the time of the release. A new relief valve was tested and installed the same day. To prevent similar reoccurrences, local operations tested other thermal relief valves in it's area. |
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