Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2018-05-14 — 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)
$45
Incident datetime
2018-05-14 06:32
Report number
Location
TX
Narrative
At approximately 6:10 a.M., dcp gas detector (monitored by scada - houston control center) picked up gas (22%) at silver oak meter station. At this time we had 886 psi - silver oak plant called dcp houston control center (hcc) controller to report vapor cloud. At 6:30 a.M., gas detector then reached 37% so hcc isolated dcp's silver oak meter station and stopped flowing. At 6:55 a.M., dcp tech arrived on site. At 7:05 a.M. , dcp tech isolated the strainer valves and the leak was isolated to the strainer. The dcp tech replaced the o-ring and returned meter station to service. Texas rrc notified and incident # 1765 was assigned to this accident.
Detailed record list
Report Received Date
2018-06-11 00:00:00
Iyear
2018
Report Number
20180169
Supplemental Number
30914
Report Type
Supplemental 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
2018-05-14 06:32:00
Location Latitude
28.559011
Location Longitude
-97.855643
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
0.43
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Other
Accident Details
Customer Operator (Silver Oak Plant) Noticied Vapor Cloud And Notified Dcp
Incident Identified Datetime
2018-05-14 06:32:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2018-05-14 06:30:00
Restart Datetime
2018-05-14 07:30:00
On Site Datetime
2018-05-14 06:55:00
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Silver Oak Meter Station
Segment Name
Sahi-1-5 Teak Lateral
Onshore State Abbreviation
Tx
Onshore Postal Code
78102
Onshore City Name
Not Within A Municipality
Onshore County Name
Bee County
Designated Location
Survey Station No.
Designated Name
5.61
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Other
Incident Area Details
Strainer At Meter Station
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Other
Item Involved Details
Strainer On Meter Skid
Installation 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
6
Est Cost Prop Damage
45
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
51
Accident Psig
886
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
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
Accident was due to mechanial failure of o-ring on strainer basket
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Non-Threaded Connection Failure
Eq Failure Type
Non-Threaded Connection Failure
Other Non Threaded Ind
O-Ring
Additional Defect Ind
Yes
Preparer Name
C**** L****
Preparer Title
Sr. Pipeline Compliance Specialist
Preparer Email
C******@d**********.com
Preparer Telephone
3615848518
Preparer Fax
3615848651
Prepared Date
2018-09-07 00:00:00
Authorizer Name
J*** D* P*******
Authorizer Telephone
4056053859
Authorizer Title
Manager Pipeline Compliance
Authorizer Email
J*********@d***********.com
Narrative
At approximately 6:10 a.M., dcp gas detector (monitored by scada - houston control center) picked up gas (22%) at silver oak meter station. At this time we had 886 psi - silver oak plant called dcp houston control center (hcc) controller to report vapor cloud. At 6:30 a.M., gas detector then reached 37% so hcc isolated dcp's silver oak meter station and stopped flowing. At 6:55 a.M., dcp tech arrived on site. At 7:05 a.M. , dcp tech isolated the strainer valves and the leak was isolated to the strainer. The dcp tech replaced the o-ring and returned meter station to service. Texas rrc notified and incident # 1765 was assigned to this accident.
| Report Received Date | 2018-06-11 00:00:00 |
|---|---|
| Iyear | 2018 |
| Report Number | 20180169 |
| Supplemental Number | 30914 |
| Report Type | Supplemental 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 | 2018-05-14 06:32:00 |
| Location Latitude | 28.559011 Google Maps OpenStreetMap |
| Location Longitude | -97.855643 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 | 0.43 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Other |
| Accident Details | Customer Operator (Silver Oak Plant) Noticied Vapor Cloud And Notified Dcp |
| Incident Identified Datetime | 2018-05-14 06:32:00 |
| System Part Involved | Onshore Pump/meter Station Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2018-05-14 06:30:00 |
| Restart Datetime | 2018-05-14 07:30:00 |
| On Site Datetime | 2018-05-14 06:55:00 |
| 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 | Silver Oak Meter Station |
| Segment Name | Sahi-1-5 Teak Lateral |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 78102 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Bee County |
| Designated Location | Survey Station No. |
| Designated Name | 5.61 |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Other |
| Incident Area Details | Strainer At Meter Station |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| Item Involved | Other |
| Item Involved Details | Strainer On Meter Skid |
| Installation 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 | 6 |
| Est Cost Prop Damage | 45 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 51 |
| Accident Psig | 886 |
| 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 | 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 | Accident was due to mechanial failure of o-ring on strainer basket |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Non-Threaded Connection Failure |
| Eq Failure Type | Non-Threaded Connection Failure |
| Other Non Threaded Ind | O-Ring |
| Additional Defect Ind | Yes |
| Preparer Name | C**** L**** |
| Preparer Title | Sr. Pipeline Compliance Specialist |
| Preparer Email | C******@d**********.com |
| Preparer Telephone | 3615848518 |
| Preparer Fax | 3615848651 |
| Prepared Date | 2018-09-07 00:00:00 |
| Authorizer Name | J*** D* P******* |
| Authorizer Telephone | 4056053859 |
| Authorizer Title | Manager Pipeline Compliance |
| Authorizer Email | J*********@d***********.com |
| Narrative | At approximately 6:10 a.M., dcp gas detector (monitored by scada - houston control center) picked up gas (22%) at silver oak meter station. At this time we had 886 psi - silver oak plant called dcp houston control center (hcc) controller to report vapor cloud. At 6:30 a.M., gas detector then reached 37% so hcc isolated dcp's silver oak meter station and stopped flowing. At 6:55 a.M., dcp tech arrived on site. At 7:05 a.M. , dcp tech isolated the strainer valves and the leak was isolated to the strainer. The dcp tech replaced the o-ring and returned meter station to service. Texas rrc notified and incident # 1765 was assigned to this accident. |
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