Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2024-10-17 — TX
Operator
Targa Downstream 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)
$250
Incident datetime
2024-10-17 00:00 UTC
Report number
Location
TX
Narrative
Targa personnel received call from targa's ngl control center about gas detectors indicating a possible leak at pump station 10. Supervisor dispatched personnel to site to investigate. Upon arrival, technician found product escaping from tubing fittings on poppet valve on pump 140. Tubing became detached allowing product to escape. Technician shut in pump station. Repairs were made and station returned to service within approximately 2 hours. Correction: revise part g sub-cause from improper installation to excessive vibration. Upon further investigation, it was determined pump vibration loosened the tubing and allowed the product release. Subsequent remediation included installation of clamps with rubber dampening to absorb the pump vibration and implementation of routine tubing inspection.
Detailed record list
Report Received Date
2024-10-17 00:00:00
Iyear
2024
Report Number
20240247
Supplemental Number
40143
Report Type
Supplemental Final
Operator Id
39823
Name
Targa Downstream Llc
Operator Street Address
811 Louisiana St. Suite 2100
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
31.596365
Location Longitude
-96.104784
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
57
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Or Pack Calculations)
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Status When Identified
Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind
Yes
Communication State Fed Ind
No
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Gpx-E Pump Station 10
Segment Name
Gpx-E Ps10
Onshore State Abbreviation
Tx
Onshore Postal Code
75860
Onshore City Name
Not Within A Municipality
Onshore County Name
Freestone
Designated Location
Milepost
Designated Name
Mp 109
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
Tubing Material
Stainless Steel
Tubing Type
Flexible
Installation Year
2022
Manufactured Year
Unknown
Material Involved
Material Other Than Carbon Steel
Material Details
Stainless Steel Tubing
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
1484
Est Cost Prop Damage
250
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
1734
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
1080
Mop Psig
1440
Mop Cfr Section
Subpart E Pressure Test �195.406(A)(3)
Maop Established Date
2022-07-01 00:00:00
Maop Reversal Flow Ind
No
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
No
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 dispatched technicians to site to investigate gas detector activation. No controller involvement in 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
Preparer Name
S** G*****
Preparer Title
Staff Specialist
Preparer Email
S******@t*************.com
Preparer Telephone
3377948247
Prepared Date
2024-10-24 00:00:00
Authorizer Name
S** G*****
Authorizer Telephone
3377948247
Authorizer Title
Staff Specialist
Authorizer Email
S******@t*************.com
Narrative
Targa personnel received call from targa's ngl control center about gas detectors indicating a possible leak at pump station 10. Supervisor dispatched personnel to site to investigate. Upon arrival, technician found product escaping from tubing fittings on poppet valve on pump 140. Tubing became detached allowing product to escape. Technician shut in pump station. Repairs were made and station returned to service within approximately 2 hours. Correction: revise part g sub-cause from improper installation to excessive vibration. Upon further investigation, it was determined pump vibration loosened the tubing and allowed the product release. Subsequent remediation included installation of clamps with rubber dampening to absorb the pump vibration and implementation of routine tubing inspection.
| Report Received Date | 2024-10-17 00:00:00 |
|---|---|
| Iyear | 2024 |
| Report Number | 20240247 |
| Supplemental Number | 40143 |
| Report Type | Supplemental Final |
| Operator Id | 39823 PHMSA Enforcement |
| Name | Targa Downstream Llc |
| Operator Street Address | 811 Louisiana St. Suite 2100 |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Time Zone | Central |
| Daylight Savings Ind | Yes |
| Location Latitude | 31.596365 Google Maps OpenStreetMap |
| Location Longitude | -96.104784 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 | 57 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Or Pack Calculations) |
| System Part Involved | Onshore Pump/meter Station Equipment And Piping |
| On Off Shore | Onshore |
| Status When Identified | Normal Operation, Includes Pauses Between Batches And During Maintenance |
| Shutdown Due Accident Ind | Yes |
| Communication State Fed Ind | No |
| Nrc Rpt Num | Nrc Notification Not Required NRC Report How to search |
| Ignite Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Gpx-E Pump Station 10 |
| Segment Name | Gpx-E Ps10 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 75860 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Freestone |
| Designated Location | Milepost |
| Designated Name | Mp 109 |
| 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 |
| Tubing Material | Stainless Steel |
| Tubing Type | Flexible |
| Installation Year | 2022 |
| Manufactured Year | Unknown |
| Material Involved | Material Other Than Carbon Steel |
| Material Details | Stainless Steel Tubing |
| 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 | 1484 |
| Est Cost Prop Damage | 250 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 1734 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Accident Psig | 1080 |
| Mop Psig | 1440 |
| Mop Cfr Section | Subpart E Pressure Test �195.406(A)(3) View CFR 49 §192 |
| Maop Established Date | 2022-07-01 00:00:00 |
| Maop Reversal Flow Ind | No |
| 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 | No |
| 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 dispatched technicians to site to investigate gas detector activation. No controller involvement in 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 |
| Preparer Name | S** G***** |
| Preparer Title | Staff Specialist |
| Preparer Email | S******@t*************.com |
| Preparer Telephone | 3377948247 |
| Prepared Date | 2024-10-24 00:00:00 |
| Authorizer Name | S** G***** |
| Authorizer Telephone | 3377948247 |
| Authorizer Title | Staff Specialist |
| Authorizer Email | S******@t*************.com |
| Narrative | Targa personnel received call from targa's ngl control center about gas detectors indicating a possible leak at pump station 10. Supervisor dispatched personnel to site to investigate. Upon arrival, technician found product escaping from tubing fittings on poppet valve on pump 140. Tubing became detached allowing product to escape. Technician shut in pump station. Repairs were made and station returned to service within approximately 2 hours. Correction: revise part g sub-cause from improper installation to excessive vibration. Upon further investigation, it was determined pump vibration loosened the tubing and allowed the product release. Subsequent remediation included installation of clamps with rubber dampening to absorb the pump vibration and implementation of routine tubing inspection. |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA