Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2010-09-01 — TX
Operator
Chevron Pipe Line Co
Cause
Other Accident Cause
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)
$38,700
Incident datetime
2010-09-01 17:20
Report number
Location
TX
Narrative
At 1720 cdt on 01 sep 10 field personnel were monitoring a pim tool placed in the 10' cpcc sweeney feedstock line. When the tool passed a block valve in friendswood, tx, a gasket failure caused a release of a small volume of propane vapors. The line was depressurized and personnel shut down the line @ block valves upstream and downstream. At 0200 cdt on 02 sep 10 a bolt-on clamp was installed, securing the release.
Detailed record list
Report Received Date
2010-10-01 00:00:00
Iyear
2010
Report Number
20100214
Supplemental Number
15870
Report Type
Supplemental Final
Operator Id
2731
Name
Chevron Pipe Line Co
Operator Street Address
1400 Smith Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2010-09-01 17:20:00
Location Latitude
29.54619
Location Longitude
-95.213783
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Other Hvl
Commodity Details
Propane
Unintentional Release Bbls
4.46
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2010-09-01 17:20:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2010-09-01 17:25:00
Restart Datetime
2010-09-03 10:00:00
On Site Datetime
2010-09-01 17:20:00
Nrc Rpt Datetime
2010-09-01 19:01:00
Nrc Rpt Num
952821
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
South Feedstock
Segment Name
Tate Jct. - Hcc
Onshore State Abbreviation
Tx
Onshore Postal Code
77546
Onshore City Name
Friendswood
Onshore County Name
Galveston
Designated Location
Milepost/valve Station
Designated Name
Mp 14.4
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Flange Assembly
Installation Year
2002
Material Involved
Material Other Than Carbon Steel
Material Details
Flange Gasket
Release Type
Other
Release Type Details
Flange Gasket Failed
Wildlife Impact Ind
No
Soil Contamination
No
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
Yes
High Pop Ind
Yes
High Pop Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
100
Est Cost Prop Damage
38700
Est Cost Emergency
7000
Est Cost Environmental
0
Est Cost Other
0
Prpty
45800
Accident Psig
800
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
32280
Internal Inspection Ind
Yes
Operation Complications 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
No
Cpm In Place 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
Leak occurred during ili tool run & company personnel were tracking the tool. They were on site as the tool passed through the valve site, witnessed the begining of the leak & began the shut-down of the line.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Accident Cause
Cause Details
Miscellaneous
Other Type
Miscellaneous
Misc Details
Flange Gasket Failure
Preparer Name
J* R* B****
Preparer Title
Dot Specialist
Preparer Email
R*****@c******.com
Preparer Telephone
713-432-3206
Preparer Fax
713-432-3477
Prepared Date
2011-06-21 00:00:00
Authorizer Name
J* R* B****
Authorizer Telephone
713-432-3206
Authorizer Title
Dot Specialist
Authorizer Email
R*****@c******.com
Narrative
A**************************************************************************************************************************************************************************************************************************************************************************************************************@ block valves upstream and downstream. *****************************************************************************.
| Report Received Date | 2010-10-01 00:00:00 |
|---|---|
| Iyear | 2010 |
| Report Number | 20100214 |
| Supplemental Number | 15870 |
| Report Type | Supplemental Final |
| Operator Id | 2731 PHMSA Enforcement |
| Name | Chevron Pipe Line Co |
| Operator Street Address | 1400 Smith Street |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2010-09-01 17:20:00 |
| Location Latitude | 29.54619 Google Maps OpenStreetMap |
| Location Longitude | -95.213783 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Commodity Subtype | Other Hvl |
| Commodity Details | Propane |
| Unintentional Release Bbls | 4.46 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2010-09-01 17:20:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2010-09-01 17:25:00 |
| Restart Datetime | 2010-09-03 10:00:00 |
| On Site Datetime | 2010-09-01 17:20:00 |
| Nrc Rpt Datetime | 2010-09-01 19:01:00 |
| Nrc Rpt Num | 952821 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | South Feedstock |
| Segment Name | Tate Jct. - Hcc |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77546 |
| Onshore City Name | Friendswood |
| Onshore County Name | Galveston |
| Designated Location | Milepost/valve Station |
| Designated Name | Mp 14.4 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| Item Involved | Flange Assembly |
| Installation Year | 2002 |
| Material Involved | Material Other Than Carbon Steel |
| Material Details | Flange Gasket |
| Release Type | Other |
| Release Type Details | Flange Gasket Failed |
| Wildlife Impact Ind | No |
| Soil Contamination | No |
| Long Term Assessment | No |
| Remediation Ind | No |
| Water Contam Ind | No |
| Could Be Hca | Yes |
| Commodity Reached Hca | Yes |
| High Pop Ind | Yes |
| High Pop Yes No | Yes |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 100 |
| Est Cost Prop Damage | 38700 |
| Est Cost Emergency | 7000 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 45800 |
| Accident Psig | 800 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 32280 |
| Internal Inspection Ind | Yes |
| Operation Complications 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 | No |
| Cpm In Place 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 | Leak occurred during ili tool run & company personnel were tracking the tool. They were on site as the tool passed through the valve site, witnessed the begining of the leak & began the shut-down of the line. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Other Accident Cause |
| Cause Details | Miscellaneous |
| Other Type | Miscellaneous |
| Misc Details | Flange Gasket Failure |
| Preparer Name | J* R* B**** |
| Preparer Title | Dot Specialist |
| Preparer Email | R*****@c******.com |
| Preparer Telephone | 713-432-3206 |
| Preparer Fax | 713-432-3477 |
| Prepared Date | 2011-06-21 00:00:00 |
| Authorizer Name | J* R* B**** |
| Authorizer Telephone | 713-432-3206 |
| Authorizer Title | Dot Specialist |
| Authorizer Email | R*****@c******.com |
| Narrative | A**************************************************************************************************************************************************************************************************************************************************************************************************************@ block valves upstream and downstream. *****************************************************************************. |
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