Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2023-11-30 — TX
Operator
Dcp Midstream, Lp
Cause
Equipment Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$6,000
Incident datetime
2023-11-30 00:00 UTC
Report number
Location
TX
Narrative
A station esd activated with plc power loss issues at the facility. The inlet esd valve did not fully close resulting in an unintended release of residue gas to atmosphere through the station vent.
Detailed record list
Report Received Date
2023-11-30 00:00:00
Iyear
2023
Report Number
20230109
Supplemental Number
38886
Report Type
Original Final
Operator Id
31130
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
29.8197938
Location Longitude
-95.8791782
Nrc Rpt Num
1383171
Additional Nrc Report Numbers
1383835
Commodity Released Type
Natural Gas
Unintentional Release
8323.6
Intentional Release
228.6
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Status When Identified
Normal Operation, Includes Pauses During Maintenance
Shutdown Due Accident Ind
Yes
Communication State Fed Ind
No
Ignite Ind
No
Num Pub Evacuated
0
On Off Shore
Onshore
Onshore State Abbreviation
Tx
Onshore Postal Code
77493
Onshore City Name
Not Within A Municipality
Onshore County Name
Waller
Designated Location
Not Applicable
Pipe Fac Name
Katy Compressor Station
Segment Name
Katy Header
Federal
No
Location Type
Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Onshore Compressor Station Equipment And Piping
Item Involved
Esd System, But Excluding Product Drain Lines And Tubing
Installation Year
1996
Manufactured Year
1995
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Equipment Malfunction.
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
339
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
26011
Est Cost Intentional Release
714
Est Cost Prop Damage
6000
Est Cost Emergency
300
Est Cost Other
0
Gas Cost In Mcf
3.125
Prpty
33025
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Wildlife Impact Ind
No
Accident Psig
698
Gas Flow In Pipe In Mcf
80000
Mop Psig
1050
Mop Cfr Section
192.619(A)(2)
Maop Established Date
1996-01-08 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Gas Required Odorized Ind
No
Pipeline Function
Transmission System
Scada In Place Ind
No
Accident Identifier
Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Or Pack Calculations)
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the incident
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
Esd System Failure Ind
Yes
Additional Electricity Ind
Yes
Preparer Name
R**** A*******
Preparer Title
Dot Specialist
Preparer Email
R***************@p**.com
Preparer Telephone
832-765-3873
Local Contact Name
R**** A*******
Local Contact Email
R***************@p**.com
Local Contact Telephone
832-765-3873
Authorizer Name
M****** P*****
Authorizer Title
Supervisor Pipeline Regulatory
Authorizer Telephone
832-765-0325
Authorizer Email
M*************@p**.com
Narrative
A station esd activated with plc power loss issues at the facility. The inlet esd valve did not fully close resulting in an unintended release of residue gas to atmosphere through the station vent.
| Report Received Date | 2023-11-30 00:00:00 |
|---|---|
| Iyear | 2023 |
| Report Number | 20230109 |
| Supplemental Number | 38886 |
| Report Type | Original 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 | 29.8197938 Google Maps OpenStreetMap |
| Location Longitude | -95.8791782 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1383171 NRC Report How to search |
| Additional Nrc Report Numbers | 1383835 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 8323.6 |
| Intentional Release | 228.6 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Status When Identified | Normal Operation, Includes Pauses During Maintenance |
| Shutdown Due Accident Ind | Yes |
| Communication State Fed Ind | No |
| Ignite Ind | No |
| Num Pub Evacuated | 0 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77493 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Waller |
| Designated Location | Not Applicable |
| Pipe Fac Name | Katy Compressor Station |
| Segment Name | Katy Header |
| Federal | No |
| Location Type | Operator-Controlled Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| System Part Involved | Onshore Compressor Station Equipment And Piping |
| Item Involved | Esd System, But Excluding Product Drain Lines And Tubing |
| Installation Year | 1996 |
| Manufactured Year | 1995 |
| Material Involved | Carbon Steel |
| Release Type | Other |
| Release Type Details | Equipment Malfunction. |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 339 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Did Occur In Mca Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 26011 |
| Est Cost Intentional Release | 714 |
| Est Cost Prop Damage | 6000 |
| Est Cost Emergency | 300 |
| Est Cost Other | 0 |
| Gas Cost In Mcf | 3.125 |
| Prpty | 33025 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Wildlife Impact Ind | No |
| Accident Psig | 698 |
| Gas Flow In Pipe In Mcf | 80000 |
| Mop Psig | 1050 |
| Mop Cfr Section | 192.619(A)(2) View CFR 49 §192 |
| Maop Established Date | 1996-01-08 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Gas Required Odorized Ind | No |
| Pipeline Function | Transmission System |
| Scada In Place Ind | No |
| Accident Identifier | Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Or Pack Calculations) |
| Investigation Status | No, the facility was not monitored by a controller(s) at the time of the incident |
| 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 |
| Esd System Failure Ind | Yes |
| Additional Electricity Ind | Yes |
| Preparer Name | R**** A******* |
| Preparer Title | Dot Specialist |
| Preparer Email | R***************@p**.com |
| Preparer Telephone | 832-765-3873 |
| Local Contact Name | R**** A******* |
| Local Contact Email | R***************@p**.com |
| Local Contact Telephone | 832-765-3873 |
| Authorizer Name | M****** P***** |
| Authorizer Title | Supervisor Pipeline Regulatory |
| Authorizer Telephone | 832-765-0325 |
| Authorizer Email | M*************@p**.com |
| Narrative | A station esd activated with plc power loss issues at the facility. The inlet esd valve did not fully close resulting in an unintended release of residue gas to atmosphere through the station vent. |
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