HL incident on 2023-11-24 — TX

Operator
Dcp Midstream, Lp
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)
$115
Incident datetime
2023-11-24 00:00 UTC
Report number
Location
TX
Narrative
10/25/23 sandhills permian on call tech received a callout from p66 houston control center for midland pump station gas detector alarm @ 9:00 pm. When tech arrived on site at approximately 9:30 pm he noticed an ice ball on the body bleed on esdv mov 702. The tech was able to tighten up the body bleed and get the leak to slow down. At 9:50 pm he notified sandhills permian supervisor mark barrera. The pump station was shut down and mov 702 closed so the valve could be assessed, and repair/replacement of the body bleed completed. Leak was stopped at 10:00 pm. Compliance, engineering, and hse were all notified around 9:50 pm. There was a short delay in communications due to the technician on site losing cell service. Leak calculation was completed by engineering at 10:25 pm, and the calculation results determined the leak was reportable >5 gallons. At 10:43 pm DOT specialist made notification to txrc 24-hour emergency number. Note: supplemental report changed times using the 24 hr clock at the request of PHMSA.
Detailed record list
Report Received Date
2023-11-24 00:00:00
Iyear
2023
Report Number
20230282
Supplemental Number
38854
Report Type
Supplemental Final
Operator Id
Name
Dcp Midstream, Lp
Operator Street Address
2331 Citywest Blvd. Hq-08-S812-02
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77042
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
Location Longitude
-102.1325583
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
0.47
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
Midland Pump Station
Segment Name
Sahi-S2
Onshore State Abbreviation
Tx
Onshore Postal Code
79706
Onshore City Name
Not Within A Municipality
Onshore County Name
Midland
Designated Location
Survey Station No.
Designated Name
3,390,333.00
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
Auxiliary Or Other Valve
Installation Year
2014
Manufactured Year
2012
Material Involved
Carbon Steel
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
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
10
Est Cost Prop Damage
115
Est Cost Emergency
190
Est Cost Environmental
0
Est Cost Other
0
Prpty
315
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
827
Mop Psig
1480
Mop Cfr Section
Component Design Pressure �195.406(A)(2)
Maop Established Date
2012-09-01 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
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
Control room operator received gas detection alarm and called field tech to respond.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Other Equipment Failure
Eq Failure Type
Other Equipment Failure
Failure Details
1' Carbon Steel Bleed Valve/1' Carbon Steel Body Bleed Leaking Due To Seat Failure.
Additional Erosion Wear Ind
Yes
Preparer Name
D***** H******
Preparer Title
Dot Specialist
Preparer Email
D*************@p**.com
Preparer Telephone
432-556-9473
Prepared Date
2023-11-28 00:00:00
Local Contact Name
D***** H******
Local Contact Email
D*************@p**.com
Local Contact Telephone
432-556-9473
Authorizer Name
M****** P*****
Authorizer Telephone
832-765-0325
Authorizer Title
Pipeline Regulatory Supervisor
Authorizer Email
M*************@p**.com
Narrative
1**************************************************************************************************************************************@ 9:00 pm. When tech arrived on site at approximately 9:30 pm he noticed an ice ball on the body bleed on esdv mov 702. The tech was able to tighten up the body bleed and get the leak to slow down. At 9:50 pm he notified sandhills permian supervisor mark barrera. The pump station was shut down and mov 702 closed so the valve could be assessed, and repair/replacement of the body bleed completed. Leak was stopped at 10:00 pm. Compliance, engineering, and hse were all notified around 9:50 pm. There was a short delay in communications due to the technician on site losing cell service. Leak calculation was completed by engineering at 10:25 pm, and the calculation results determined the leak was reportable >5 gallons. At 10:43 pm DOT specialist made notification to txrc 24-hour emergency number. **************************************************************************************.
Report Received Date 2023-11-24 00:00:00
Iyear 2023
Report Number 20230282
Supplemental Number 38854
Report Type Supplemental Final
Operator Id 31130 PHMSA Enforcement
Name Dcp Midstream, Lp
Operator Street Address 2331 Citywest Blvd. Hq-08-S812-02
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77042
Time Zone Central
Daylight Savings Ind Yes
Location Latitude 31.65536667 Google Maps OpenStreetMap
Location Longitude -102.1325583 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 0.47
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 Midland Pump Station
Segment Name Sahi-S2
Onshore State Abbreviation Tx
Onshore Postal Code 79706
Onshore City Name Not Within A Municipality
Onshore County Name Midland
Designated Location Survey Station No.
Designated Name 3,390,333.00
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 Auxiliary Or Other Valve
Installation Year 2014
Manufactured Year 2012
Material Involved Carbon Steel
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 No
Commodity Reached Hca No
Est Cost Oper Paid 0
Est Cost Gas Released 10
Est Cost Prop Damage 115
Est Cost Emergency 190
Est Cost Environmental 0
Est Cost Other 0
Prpty 315
Num Persons Hosp Not Ovnght 0
Num Injured Treated By Emt 0
Num Resident Building Affctd 0
Num Business Building Affctd 0
Accident Psig 827
Mop Psig 1480
Mop Cfr Section Component Design Pressure �195.406(A)(2) View CFR 49 §192
Maop Established Date 2012-09-01 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 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 Control room operator received gas detection alarm and called field tech to respond.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Equipment Failure
Cause Details Other Equipment Failure
Eq Failure Type Other Equipment Failure
Failure Details 1' Carbon Steel Bleed Valve/1' Carbon Steel Body Bleed Leaking Due To Seat Failure.
Additional Erosion Wear Ind Yes
Preparer Name D***** H******
Preparer Title Dot Specialist
Preparer Email D*************@p**.com
Preparer Telephone 432-556-9473
Prepared Date 2023-11-28 00:00:00
Local Contact Name D***** H******
Local Contact Email D*************@p**.com
Local Contact Telephone 432-556-9473
Authorizer Name M****** P*****
Authorizer Telephone 832-765-0325
Authorizer Title Pipeline Regulatory Supervisor
Authorizer Email M*************@p**.com
Narrative 1**************************************************************************************************************************************@ 9:00 pm. When tech arrived on site at approximately 9:30 pm he noticed an ice ball on the body bleed on esdv mov 702. The tech was able to tighten up the body bleed and get the leak to slow down. At 9:50 pm he notified sandhills permian supervisor mark barrera. The pump station was shut down and mov 702 closed so the valve could be assessed, and repair/replacement of the body bleed completed. Leak was stopped at 10:00 pm. Compliance, engineering, and hse were all notified around 9:50 pm. There was a short delay in communications due to the technician on site losing cell service. Leak calculation was completed by engineering at 10:25 pm, and the calculation results determined the leak was reportable >5 gallons. At 10:43 pm DOT specialist made notification to txrc 24-hour emergency number. **************************************************************************************.

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