Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2013-05-29 — 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)
$500
Incident datetime
2013-05-29 06:58
Report number
Location
TX
Narrative
On may 29 2013, at (7:58am cdst), dcp midstream's houston control center (hcc) recorded and responded to activation of the gas detector alarm, hazardous gas alarm and main breaker open indication at the dcp wattenberg pump station. The hcc operator immediately called the dcp field technician to inform them of the alarms. The field technician instructed the hcc controller to ensure that the station was shut-down and isolated. A second field technician arrived on site (at 7:01 am mdst), and they observed a vapor release coming from a flanged connection. The technicians immediately ensured the station isolation valves were fully seated and waited for the pipe section to have a controlled release before entering the site of the flanged connection. The dcp technician was able to release the remainder of the product through a flare. The scraper launcher was isolated and the release contained by( 7:15am mdst.) after the station had been secured, the dcp technicians removed the failed component. During that process they observed two of the flange bolts on the were not adequately torqued. The failed component was an ansi 6" 900 series neoprene coated phenolic cp isolation gasket, the gasket was broken in two locations (approximately 10 and 2 oclock).
Detailed record list
Report Received Date
2013-06-19 00:00:00
Iyear
2013
Report Number
20130215
Supplemental Number
19173
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
2013-05-29 06:58:00
Location Latitude
39.74636
Location Longitude
-104.67988
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
0.8
Intentional Release Bbls
1.2
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Incident Identified Datetime
2013-05-29 06:58:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2013-05-29 07:10:00
Restart Datetime
2013-05-29 10:00:00
On Site Datetime
2013-05-29 07:01:00
Nrc Rpt Datetime
2013-05-29 07:50:00
Nrc Rpt Num
1048612
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Wattenberg Trunk Line
Segment Name
Wm-9200
Onshore State Abbreviation
Co
Onshore Postal Code
80202-0202
Onshore City Name
Aurora
Onshore County Name
Arapahoe
Designated Location
Milepost/valve Station
Designated Name
Wattenberg St
Federal
No
Location Type
Originated On Operator-Controlled Property, But Then Flowed Or Migrated Off The Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Pipe Facility Type
Interstate
Item Involved
Scraper/pig Trap
Release Type
Leak
Leak Type
Other
Leak Type Other
Gasket On Pig Trap Flange
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
40
Est Cost Prop Damage
500
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
540
Pipeline Function
> 20% Smys Regulated Transmission
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
Gasket
Preparer Name
R***** H***
Preparer Title
Pipeline Compliance Specialist
Preparer Email
R*****@d***********.com
Preparer Telephone
713-735-5642
Prepared Date
2014-03-26 00:00:00
Authorizer Name
R***** H***
Authorizer Telephone
713-735-5642
Authorizer Title
Pipeline Compliance Specialist
Authorizer Email
R*****@d***********.com
Narrative
On may 29 2013, at (7:58am cdst), dcp midstream's houston control center (hcc) recorded and responded to activation of the gas detector alarm, hazardous gas alarm and main breaker open indication at the dcp wattenberg pump station. The hcc operator immediately called the dcp field technician to inform them of the alarms. The field technician instructed the hcc controller to ensure that the station was shut-down and isolated. A second field technician arrived on site (at 7:01 am mdst), and they observed a vapor release coming from a flanged connection. The technicians immediately ensured the station isolation valves were fully seated and waited for the pipe section to have a controlled release before entering the site of the flanged connection. The dcp technician was able to release the remainder of the product through a flare. The scraper launcher was isolated and the release contained by( 7:15am mdst.) after the station had been secured, the dcp technicians removed the failed component. During that process they observed two of the flange bolts on the were not adequately torqued. The failed component was an ansi 6" 900 series neoprene coated phenolic cp isolation gasket, the gasket was broken in two locations (approximately 10 and 2 oclock).
| Report Received Date | 2013-06-19 00:00:00 |
|---|---|
| Iyear | 2013 |
| Report Number | 20130215 |
| Supplemental Number | 19173 |
| 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 | 2013-05-29 06:58:00 |
| Location Latitude | 39.74636 Google Maps OpenStreetMap |
| Location Longitude | -104.67988 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 | 0.8 |
| Intentional Release Bbls | 1.2 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Incident Identified Datetime | 2013-05-29 06:58:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2013-05-29 07:10:00 |
| Restart Datetime | 2013-05-29 10:00:00 |
| On Site Datetime | 2013-05-29 07:01:00 |
| Nrc Rpt Datetime | 2013-05-29 07:50:00 |
| Nrc Rpt Num | 1048612 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Wattenberg Trunk Line |
| Segment Name | Wm-9200 |
| Onshore State Abbreviation | Co |
| Onshore Postal Code | 80202-0202 |
| Onshore City Name | Aurora |
| Onshore County Name | Arapahoe |
| Designated Location | Milepost/valve Station |
| Designated Name | Wattenberg St |
| Federal | No |
| Location Type | Originated On Operator-Controlled Property, But Then Flowed Or Migrated Off The Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Pipe Facility Type | Interstate |
| Item Involved | Scraper/pig Trap |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Gasket On Pig Trap Flange |
| Water Contam Ind | No |
| Could Be Hca | Yes |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 40 |
| Est Cost Prop Damage | 500 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 540 |
| Pipeline Function | > 20% Smys Regulated Transmission |
| 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 | Gasket |
| Preparer Name | R***** H*** |
| Preparer Title | Pipeline Compliance Specialist |
| Preparer Email | R*****@d***********.com |
| Preparer Telephone | 713-735-5642 |
| Prepared Date | 2014-03-26 00:00:00 |
| Authorizer Name | R***** H*** |
| Authorizer Telephone | 713-735-5642 |
| Authorizer Title | Pipeline Compliance Specialist |
| Authorizer Email | R*****@d***********.com |
| Narrative | On may 29 2013, at (7:58am cdst), dcp midstream's houston control center (hcc) recorded and responded to activation of the gas detector alarm, hazardous gas alarm and main breaker open indication at the dcp wattenberg pump station. The hcc operator immediately called the dcp field technician to inform them of the alarms. The field technician instructed the hcc controller to ensure that the station was shut-down and isolated. A second field technician arrived on site (at 7:01 am mdst), and they observed a vapor release coming from a flanged connection. The technicians immediately ensured the station isolation valves were fully seated and waited for the pipe section to have a controlled release before entering the site of the flanged connection. The dcp technician was able to release the remainder of the product through a flare. The scraper launcher was isolated and the release contained by( 7:15am mdst.) after the station had been secured, the dcp technicians removed the failed component. During that process they observed two of the flange bolts on the were not adequately torqued. The failed component was an ansi 6" 900 series neoprene coated phenolic cp isolation gasket, the gasket was broken in two locations (approximately 10 and 2 oclock). |
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