Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2016-08-10 — TX
Operator
Dcp Midstream
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)
$600
Incident datetime
2016-08-10 12:02
Report number
Location
TX
Narrative
During pigging operations a leaking thermal relief valve was discovered when an technician arrived on site. It was releasing to the plant flare in the plant yard and the thermal relief valve had a 2" ice ball. The thermal relief valve on the meter skid was isolated immediately and replaced with an onsite spare within a few hours of the incident. The pipeline was never shutdown.
Detailed record list
Report Received Date
2016-09-08 00:00:00
Iyear
2016
Report Number
20160286
Supplemental Number
21677
Report Type
Original Final
Operator Id
31130
Name
Dcp Midstream
Operator Street Address
2331 Citywest Blvd. Hq-08-S812-02
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77042
Local Datetime
2016-08-10 12:02:00
Location Latitude
29.337541
Location Longitude
-96.678846
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
17
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Ground Patrol By Operator Or Its Contractor
Operator Type
Operator Employee
Incident Identified Datetime
2016-08-10 12:02:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
The Thermal Relief Valve On The Meter Skid Was Isolated Immediately And Replaced
On Site Datetime
2016-08-10 12:20:00
Nrc Rpt Datetime
2016-08-10 14:15:00
Nrc Rpt Num
1155853
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Wilbreeze Lateral
Segment Name
Wlb-1
Onshore State Abbreviation
Tx
Onshore Postal Code
77964
Onshore City Name
Hallettsville
Onshore County Name
Lavaca
Designated Location
Milepost/valve Station
Designated Name
Psv 5018
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
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Other
Leak Type Other
Leaking Thermal Relief Valve
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
340
Est Cost Prop Damage
600
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Est Cost Other Details
Cost To Replace Leaking Psv
Prpty
940
Accident Psig
1130
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
Yes
Cpm Operating Ind
Yes
Cpm Functional Ind
Yes
Cpm Detection Ind
No
Cpm Conf Ind
Yes
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
Field personnel quickly notified his supervisor about the leaking psv
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 Overpressure Ind
Yes
Preparer Name
K*** F*****
Preparer Title
Pipeline Compliance And Integrity Specialist
Preparer Email
K*******@d***********.com
Preparer Telephone
713-735-3719
Prepared Date
2016-09-07 00:00:00
Authorizer Name
B****** P*****
Authorizer Telephone
7132687400
Authorizer Title
Director Ngl Pipeline Integrity And Compliance
Authorizer Email
B*******@d***********.com
Narrative
During pigging operations a leaking thermal relief valve was discovered when an technician arrived on site. It was releasing to the plant flare in the plant yard and the thermal relief valve had a 2" ice ball. The thermal relief valve on the meter skid was isolated immediately and replaced with an onsite spare within a few hours of the incident. The pipeline was never shutdown.
| Report Received Date | 2016-09-08 00:00:00 |
|---|---|
| Iyear | 2016 |
| Report Number | 20160286 |
| Supplemental Number | 21677 |
| Report Type | Original Final |
| Operator Id | 31130 PHMSA Enforcement |
| Name | Dcp Midstream |
| Operator Street Address | 2331 Citywest Blvd. Hq-08-S812-02 |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77042 |
| Local Datetime | 2016-08-10 12:02:00 |
| Location Latitude | 29.337541 Google Maps OpenStreetMap |
| Location Longitude | -96.678846 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 | 17 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Ground Patrol By Operator Or Its Contractor |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2016-08-10 12:02:00 |
| System Part Involved | Onshore Pump/meter Station Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | The Thermal Relief Valve On The Meter Skid Was Isolated Immediately And Replaced |
| On Site Datetime | 2016-08-10 12:20:00 |
| Nrc Rpt Datetime | 2016-08-10 14:15:00 |
| Nrc Rpt Num | 1155853 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Wilbreeze Lateral |
| Segment Name | Wlb-1 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77964 |
| Onshore City Name | Hallettsville |
| Onshore County Name | Lavaca |
| Designated Location | Milepost/valve Station |
| Designated Name | Psv 5018 |
| 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 | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Leaking Thermal Relief Valve |
| 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 | 340 |
| Est Cost Prop Damage | 600 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Est Cost Other Details | Cost To Replace Leaking Psv |
| Prpty | 940 |
| Accident Psig | 1130 |
| 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 | Yes |
| Cpm Operating Ind | Yes |
| Cpm Functional Ind | Yes |
| Cpm Detection Ind | No |
| Cpm Conf Ind | Yes |
| 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 | Field personnel quickly notified his supervisor about the leaking psv |
| 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 Overpressure Ind | Yes |
| Preparer Name | K*** F***** |
| Preparer Title | Pipeline Compliance And Integrity Specialist |
| Preparer Email | K*******@d***********.com |
| Preparer Telephone | 713-735-3719 |
| Prepared Date | 2016-09-07 00:00:00 |
| Authorizer Name | B****** P***** |
| Authorizer Telephone | 7132687400 |
| Authorizer Title | Director Ngl Pipeline Integrity And Compliance |
| Authorizer Email | B*******@d***********.com |
| Narrative | During pigging operations a leaking thermal relief valve was discovered when an technician arrived on site. It was releasing to the plant flare in the plant yard and the thermal relief valve had a 2" ice ball. The thermal relief valve on the meter skid was isolated immediately and replaced with an onsite spare within a few hours of the incident. The pipeline was never shutdown. |
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